{"product_id":"sigenergy-sigen-hybrid-inverter-sp2-5kw-1-phase-slim-silent-solar-battery-inverter","title":"Sigenergy Sigen Hybrid Inverter SP2 5kW 1-Phase | Slim, Silent Solar Battery Inverter","description":"\u003c!-- SEO Product Name: Sigenergy Sigen Hybrid Inverter SP2 5kW 1-Phase | Slim, Silent Solar Battery Inverter --\u003e\n\u003cdiv style=\"font-size:16px; max-width:900px; margin:0 auto; color:#2B2B2B; line-height:1.6; font-family:Arial, Helvetica, sans-serif;\"\u003e\nThe \u003cstrong\u003eSigenergy Sigen Hybrid Inverter SP2 5.0kW 1-Phase\u003c\/strong\u003e (manufacturer model code \u003cstrong\u003eSigen Hybrid 5.0 SP2\u003c\/strong\u003e) is Sigenergy's \u003cstrong\u003e2nd-generation single-phase hybrid inverter\u003c\/strong\u003e, engineered under the brief \"Slim. Silent. Strong.\" It is built around an \u003cstrong\u003eindustry-slimmest, fanless die-cast metal body\u003c\/strong\u003e just 99mm deep — described by Sigenergy as roughly the depth of \"a deck of cards\" — and converts and coordinates solar power, battery storage, and home loads for residential energy storage and backup scenarios.\nWith \u003cstrong\u003eno internal or external fans\u003c\/strong\u003e, the SP2 delivers an ultra-low noise level of just \u003cstrong\u003e25dB\u003c\/strong\u003e, described by Sigenergy as a \"soft whisper,\" making it suitable for mounting close to living or sleeping spaces. It is \u003cstrong\u003efuture-ready for battery integration\u003c\/strong\u003e: supplied as a cost-effective standalone PV inverter, it can be upgraded into a full storage and backup system at any time by adding a \u003cstrong\u003eSigen Battery Controller (SigenStor BC)\u003c\/strong\u003e and one or more \u003cstrong\u003eSigen Battery (SigenStor BAT)\u003c\/strong\u003e modules, without replacing the inverter itself.\n\u003cdiv style=\"display:flex; flex-wrap:wrap; margin:0 -6px 24px -6px;\"\u003e\n\u003cdiv style=\"flex:1 1 calc(16.666666666666668% - 12px); min-width:120px; background:#008377CF; border-radius:10px; padding:16px 10px; text-align:center; margin:6px;\"\u003e\n\u003cdiv style=\"color:#FFFFFF; font-size:20px; font-weight:700; line-height:1.2;\"\u003e5.0kW\u003c\/div\u003e\n\u003cdiv style=\"color:#E6F4F3; font-size:12.5px; font-weight:600; text-transform:uppercase; letter-spacing:0.03em; margin-top:4px;\"\u003eAC Output Power\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 calc(16.666666666666668% - 12px); min-width:120px; background:#008377CF; border-radius:10px; padding:16px 10px; text-align:center; margin:6px;\"\u003e\n\u003cdiv style=\"color:#FFFFFF; font-size:20px; font-weight:700; line-height:1.2;\"\u003e2 MPPT\u003c\/div\u003e\n\u003cdiv style=\"color:#E6F4F3; font-size:12.5px; font-weight:600; text-transform:uppercase; letter-spacing:0.03em; margin-top:4px;\"\u003eTrackers\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 calc(16.666666666666668% - 12px); min-width:120px; background:#008377CF; border-radius:10px; padding:16px 10px; text-align:center; margin:6px;\"\u003e\n\u003cdiv style=\"color:#FFFFFF; font-size:20px; font-weight:700; line-height:1.2;\"\u003e99mm\u003c\/div\u003e\n\u003cdiv style=\"color:#E6F4F3; font-size:12.5px; font-weight:600; text-transform:uppercase; letter-spacing:0.03em; margin-top:4px;\"\u003eUltra-Slim Depth\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 calc(16.666666666666668% - 12px); min-width:120px; background:#008377CF; border-radius:10px; padding:16px 10px; text-align:center; margin:6px;\"\u003e\n\u003cdiv style=\"color:#FFFFFF; font-size:20px; font-weight:700; line-height:1.2;\"\u003e25dB\u003c\/div\u003e\n\u003cdiv style=\"color:#E6F4F3; font-size:12.5px; font-weight:600; text-transform:uppercase; letter-spacing:0.03em; margin-top:4px;\"\u003eSuper Silent\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 calc(16.666666666666668% - 12px); min-width:120px; background:#008377CF; border-radius:10px; padding:16px 10px; text-align:center; margin:6px;\"\u003e\n\u003cdiv style=\"color:#FFFFFF; font-size:20px; font-weight:700; line-height:1.2;\"\u003e98.3%\u003c\/div\u003e\n\u003cdiv style=\"color:#E6F4F3; font-size:12.5px; font-weight:600; text-transform:uppercase; letter-spacing:0.03em; margin-top:4px;\"\u003eMax Efficiency\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 calc(16.666666666666668% - 12px); min-width:120px; background:#008377CF; border-radius:10px; padding:16px 10px; text-align:center; margin:6px;\"\u003e\n\u003cdiv style=\"color:#FFFFFF; font-size:20px; font-weight:700; line-height:1.2;\"\u003e200%\u003c\/div\u003e\n\u003cdiv style=\"color:#E6F4F3; font-size:12.5px; font-weight:600; text-transform:uppercase; letter-spacing:0.03em; margin-top:4px;\"\u003eOff-Grid Peak Power\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#E6F4F3; border-left:4px solid #008377CF; border-radius:0 8px 8px 0; padding:14px 18px; margin:0 0 20px 0;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#00625D; font-size:13px; text-transform:uppercase; letter-spacing:0.04em; margin-bottom:6px;\"\u003eSingle-Phase Model\u003c\/div\u003e\n\u003cdiv style=\"font-size:15.5px; color:#2B2B2B; line-height:1.6;\"\u003eThis is a \u003cstrong\u003esingle-phase\u003c\/strong\u003e hybrid inverter, suited to properties with a single-phase electricity supply, which covers the large majority of UK homes. Properties with a three-phase supply should specify the equivalent Sigen Hybrid TP2 three-phase model.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"font-weight:700; color:#008377CF; font-size:16px; margin:22px 0 4px 0;\"\u003eWhen to Use This Inverter\u003c\/div\u003e\n\u003cp style=\"font-size:16px; line-height:1.7; color:#2B2B2B; margin:0 0 16px 0;\"\u003eThe \u003cstrong\u003emid-range model in the SP2 lineup\u003c\/strong\u003e, this size fits the majority of typical UK family homes. It suits \u003cstrong\u003e3–4 bedroom\u003c\/strong\u003e properties with a PV array in the 5–9kWp range and moderate-to-high daytime electricity use (electric showers, dishwashers, EV charging). Its slim \u003cstrong\u003e99mm-deep enclosure\u003c\/strong\u003e makes it easy to fit in garages and utility spaces where wall depth is at a premium, and its near-silent running suits installations on walls shared with living or sleeping areas.\u003c\/p\u003e\n\u003cdiv style=\"font-weight:700; color:#008377CF; font-size:16px; margin:22px 0 4px 0;\"\u003eUsing This Inverter With SigenStor\u003c\/div\u003e\n\u003cp style=\"font-size:16px; line-height:1.7; color:#2B2B2B; margin:0 0 16px 0;\"\u003eThis \u003cstrong\u003eSigen Hybrid Inverter (SP2)\u003c\/strong\u003e is a genuinely standalone product: on its own, it works purely as a solar PV inverter, feeding generated power to the home and grid with no battery involved. Unlike Sigenergy's earlier all-in-one Energy Controller range, the \u003cstrong\u003ebattery management and EMS intelligence for this 2nd-generation platform live in a separate unit\u003c\/strong\u003e — the \u003cstrong\u003eSigen Battery Controller (SigenStor BC)\u003c\/strong\u003e — rather than inside the inverter itself. To build a full storage and backup system, this inverter, a Sigen Battery Controller, and one or more \u003cstrong\u003eSigen Battery (SigenStor BAT)\u003c\/strong\u003e modules (1–6 per controller) are wired together as a stack, with the BC coordinating charge\/discharge and energy flow between solar, battery, home, and grid. Once storage is added, the system also supports \u003cstrong\u003eSigen AI mode with dynamic tariffs and VPP participation\u003c\/strong\u003e via the mySigen app, alongside smart load integration.\u003c\/p\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; margin:0 -6px 24px -6px;\"\u003e\n\u003cdiv style=\"flex:1 1 calc(50% - 12px); min-width:240px; background:#F7FAFA; border:1px solid #D9EDEA; border-radius:10px; padding:16px 18px; margin:6px;\"\u003e\n\u003cdiv style=\"color:#008377CF; font-weight:700; font-size:15px; margin-bottom:6px;\"\u003eUltra-Slim, Fanless Body\u003c\/div\u003e\n\u003cdiv style=\"font-size:14.5px; color:#444; line-height:1.55;\"\u003eJust \u003cstrong\u003e99mm deep\u003c\/strong\u003e die-cast metal enclosure with enhanced heat dissipation and \u003cstrong\u003eno internal or external fans\u003c\/strong\u003e, for a compact wall footprint and long-term mechanical reliability.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 calc(50% - 12px); min-width:240px; background:#F7FAFA; border:1px solid #D9EDEA; border-radius:10px; padding:16px 18px; margin:6px;\"\u003e\n\u003cdiv style=\"color:#008377CF; font-weight:700; font-size:15px; margin-bottom:6px;\"\u003e25dB Whisper-Quiet Operation\u003c\/div\u003e\n\u003cdiv style=\"font-size:14.5px; color:#444; line-height:1.55;\"\u003eOne of the quietest hybrid inverters in its class at just \u003cstrong\u003e25dB\u003c\/strong\u003e, suited to installation near bedrooms, home offices, or living spaces without disturbing the household.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 calc(50% - 12px); min-width:240px; background:#F7FAFA; border:1px solid #D9EDEA; border-radius:10px; padding:16px 18px; margin:6px;\"\u003e\n\u003cdiv style=\"color:#008377CF; font-weight:700; font-size:15px; margin-bottom:6px;\"\u003eIndustry-Leading Efficiency\u003c\/div\u003e\n\u003cdiv style=\"font-size:14.5px; color:#444; line-height:1.55;\"\u003eUp to \u003cstrong\u003e5.0\u003c\/strong\u003e nominal output with maximum efficiency figures at the top of the single-phase hybrid inverter class, helped by advanced power electronics design.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 calc(50% - 12px); min-width:240px; background:#F7FAFA; border:1px solid #D9EDEA; border-radius:10px; padding:16px 18px; margin:6px;\"\u003e\n\u003cdiv style=\"color:#008377CF; font-weight:700; font-size:15px; margin-bottom:6px;\"\u003e200% Off-Grid Peak Output\u003c\/div\u003e\n\u003cdiv style=\"font-size:14.5px; color:#444; line-height:1.55;\"\u003eDelivers \u003cstrong\u003e2× nominal output power\u003c\/strong\u003e for 10 seconds when off-grid, giving a strong instantaneous boost for motor start-up loads such as pumps or compressors during a backup event.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 calc(50% - 12px); min-width:240px; background:#F7FAFA; border:1px solid #D9EDEA; border-radius:10px; padding:16px 18px; margin:6px;\"\u003e\n\u003cdiv style=\"color:#008377CF; font-weight:700; font-size:15px; margin-bottom:6px;\"\u003eFuture-Ready Battery Integration\u003c\/div\u003e\n\u003cdiv style=\"font-size:14.5px; color:#444; line-height:1.55;\"\u003e\n\u003cstrong\u003eBattery-ready and future-proof\u003c\/strong\u003e: begin with solar-only generation and add a Sigen Battery Controller and Sigen Battery modules later to unlock storage, backup, and smart tariff features without swapping the inverter.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 calc(50% - 12px); min-width:240px; background:#F7FAFA; border:1px solid #D9EDEA; border-radius:10px; padding:16px 18px; margin:6px;\"\u003e\n\u003cdiv style=\"color:#008377CF; font-weight:700; font-size:15px; margin-bottom:6px;\"\u003eIP66-Rated, Wide-Range Enclosure\u003c\/div\u003e\n\u003cdiv style=\"font-size:14.5px; color:#444; line-height:1.55;\"\u003eFully weatherproofed to \u003cstrong\u003eIP66\u003c\/strong\u003e and rated for continuous operation from \u003cstrong\u003e-30°C to 60°C\u003c\/strong\u003e, suiting exposed or unheated UK installation locations.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#fff; font-weight:700; font-size:13px; text-transform:uppercase; letter-spacing:0.05em; padding:10px 16px; border-radius:6px 6px 0 0; margin-top:18px;\"\u003eDC Input\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #D9EDEA; border-top:none; border-radius:0 0 6px 6px; overflow:hidden; margin-bottom:8px;\"\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:10px 16px; font-weight:600; color:#333; font-size:14.5px;\"\u003eMax. PV power\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#2B2B2B; font-size:14.5px;\"\u003e10000 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:10px 16px; font-weight:600; color:#333; font-size:14.5px;\"\u003eMax. DC input voltage\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#2B2B2B; font-size:14.5px;\"\u003e600 V\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:10px 16px; font-weight:600; color:#333; font-size:14.5px;\"\u003eNominal DC input voltage\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#2B2B2B; font-size:14.5px;\"\u003e350 V\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:10px 16px; font-weight:600; color:#333; font-size:14.5px;\"\u003eStart-up voltage\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#2B2B2B; font-size:14.5px;\"\u003e100 V\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:10px 16px; font-weight:600; color:#333; font-size:14.5px;\"\u003eMPPT voltage range\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#2B2B2B; font-size:14.5px;\"\u003e50 – 550 V\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:10px 16px; font-weight:600; color:#333; font-size:14.5px;\"\u003eNumber of MPPT trackers\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#2B2B2B; font-size:14.5px;\"\u003e2\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:10px 16px; font-weight:600; color:#333; font-size:14.5px;\"\u003ePV strings per MPPT\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#2B2B2B; font-size:14.5px;\"\u003e1\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:10px 16px; font-weight:600; color:#333; font-size:14.5px;\"\u003eMax. input current per MPPT\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#2B2B2B; font-size:14.5px;\"\u003e16 A\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:10px 16px; font-weight:600; color:#333; font-size:14.5px;\"\u003eMax. short-circuit current per MPPT\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#2B2B2B; font-size:14.5px;\"\u003e22 A\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#fff; font-weight:700; font-size:13px; text-transform:uppercase; letter-spacing:0.05em; padding:10px 16px; border-radius:6px 6px 0 0; margin-top:18px;\"\u003eAC Output (On-Grid)\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #D9EDEA; border-top:none; border-radius:0 0 6px 6px; overflow:hidden; margin-bottom:8px;\"\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:10px 16px; font-weight:600; color:#333; font-size:14.5px;\"\u003eNominal output power\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#2B2B2B; font-size:14.5px;\"\u003e5000 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:10px 16px; font-weight:600; color:#333; font-size:14.5px;\"\u003eMax. output apparent power\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#2B2B2B; font-size:14.5px;\"\u003e5500 VA\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:10px 16px; font-weight:600; color:#333; font-size:14.5px;\"\u003eNominal output current\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#2B2B2B; font-size:14.5px;\"\u003e22.7 A\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:10px 16px; font-weight:600; color:#333; font-size:14.5px;\"\u003eMax. output current\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#2B2B2B; font-size:14.5px;\"\u003e25.0 A\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:10px 16px; font-weight:600; color:#333; font-size:14.5px;\"\u003eNominal output voltage\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#2B2B2B; font-size:14.5px;\"\u003e220 \/ 230 \/ 240 V\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:10px 16px; font-weight:600; color:#333; font-size:14.5px;\"\u003eNominal grid frequency\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#2B2B2B; font-size:14.5px;\"\u003e50 \/ 60 Hz\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:10px 16px; font-weight:600; color:#333; font-size:14.5px;\"\u003ePower factor\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#2B2B2B; font-size:14.5px;\"\u003e0.8 leading – 0.8 lagging\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:10px 16px; font-weight:600; color:#333; font-size:14.5px;\"\u003eTotal current harmonic distortion (THDi)\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#2B2B2B; font-size:14.5px;\"\u003e\u0026lt; 3%\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:10px 16px; font-weight:600; color:#333; font-size:14.5px;\"\u003eMax. efficiency\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#2B2B2B; font-size:14.5px;\"\u003e98.3%\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:10px 16px; font-weight:600; color:#333; font-size:14.5px;\"\u003eEuropean efficiency\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#2B2B2B; font-size:14.5px;\"\u003e98.3%\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#fff; font-weight:700; font-size:13px; text-transform:uppercase; letter-spacing:0.05em; padding:10px 16px; border-radius:6px 6px 0 0; margin-top:18px;\"\u003eAC Output (Backup)\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #D9EDEA; border-top:none; border-radius:0 0 6px 6px; overflow:hidden; margin-bottom:8px;\"\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:10px 16px; font-weight:600; color:#333; font-size:14.5px;\"\u003ePeak output power (10 seconds)\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#2B2B2B; font-size:14.5px;\"\u003e2× nominal output power\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:10px 16px; font-weight:600; color:#333; font-size:14.5px;\"\u003eNominal output voltage\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#2B2B2B; font-size:14.5px;\"\u003e220 \/ 230 \/ 240 V\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:10px 16px; font-weight:600; color:#333; font-size:14.5px;\"\u003eNominal output frequency\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#2B2B2B; font-size:14.5px;\"\u003e50 \/ 60 Hz\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:10px 16px; font-weight:600; color:#333; font-size:14.5px;\"\u003ePower factor\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#2B2B2B; font-size:14.5px;\"\u003e0.8 leading – 0.8 lagging\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:10px 16px; font-weight:600; color:#333; font-size:14.5px;\"\u003eTotal voltage harmonic distortion (THDv)\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#2B2B2B; font-size:14.5px;\"\u003e\u0026lt; 3%\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:10px 16px; font-weight:600; color:#333; font-size:14.5px;\"\u003eDisruption time of backup switch\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#2B2B2B; font-size:14.5px;\"\u003e0 ms (with Sigen Energy Gateway, Battery Controller \u0026amp; Battery)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#fff; font-weight:700; font-size:13px; text-transform:uppercase; letter-spacing:0.05em; padding:10px 16px; border-radius:6px 6px 0 0; margin-top:18px;\"\u003eBattery Integration (Requires Separate Components)\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #D9EDEA; border-top:none; border-radius:0 0 6px 6px; overflow:hidden; margin-bottom:8px;\"\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:10px 16px; font-weight:600; color:#333; font-size:14.5px;\"\u003eBattery controller model\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#2B2B2B; font-size:14.5px;\"\u003eSigenStor BC (sold separately)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:10px 16px; font-weight:600; color:#333; font-size:14.5px;\"\u003eBattery module model\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#2B2B2B; font-size:14.5px;\"\u003eSigenStor BAT series (sold separately)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:10px 16px; font-weight:600; color:#333; font-size:14.5px;\"\u003eNumber of battery modules per controller\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#2B2B2B; font-size:14.5px;\"\u003e1 – 6 pcs\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:10px 16px; font-weight:600; color:#333; font-size:14.5px;\"\u003eBattery module voltage range\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#2B2B2B; font-size:14.5px;\"\u003e300 – 600 V\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#fff; font-weight:700; font-size:13px; text-transform:uppercase; letter-spacing:0.05em; padding:10px 16px; border-radius:6px 6px 0 0; margin-top:18px;\"\u003eProtection\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #D9EDEA; border-top:none; border-radius:0 0 6px 6px; overflow:hidden; margin-bottom:8px;\"\u003e\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:10px 16px; font-weight:600; color:#333; font-size:14.5px;\"\u003eSafety features\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#2B2B2B; font-size:14.5px;\"\u003eDC reverse polarity protection, insulation monitoring, residual current monitoring, arc fault circuit interrupter, AC over-current\/over-voltage\/short-circuit protection, Type II DC\/AC surge protection, anti-islanding protection\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#fff; font-weight:700; font-size:13px; text-transform:uppercase; letter-spacing:0.05em; padding:10px 16px; border-radius:6px 6px 0 0; margin-top:18px;\"\u003eGeneral Data\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #D9EDEA; border-top:none; border-radius:0 0 6px 6px; overflow:hidden; margin-bottom:8px;\"\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:10px 16px; font-weight:600; color:#333; font-size:14.5px;\"\u003eDimensions (W \/ H \/ D)\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#2B2B2B; font-size:14.5px;\"\u003e373 \/ 473 \/ 99 mm (W\/H\/D)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:10px 16px; font-weight:600; color:#333; font-size:14.5px;\"\u003eWeight\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#2B2B2B; font-size:14.5px;\"\u003e11.5 kg\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:10px 16px; font-weight:600; color:#333; font-size:14.5px;\"\u003eStorage temperature range\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#2B2B2B; font-size:14.5px;\"\u003e-40°C to 70°C\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:10px 16px; font-weight:600; color:#333; font-size:14.5px;\"\u003eOperating temperature range\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#2B2B2B; font-size:14.5px;\"\u003e-30°C to 60°C\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:10px 16px; font-weight:600; color:#333; font-size:14.5px;\"\u003eRelative humidity range\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#2B2B2B; font-size:14.5px;\"\u003e0% – 100%\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:10px 16px; font-weight:600; color:#333; font-size:14.5px;\"\u003eMax. operating altitude\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#2B2B2B; font-size:14.5px;\"\u003e4000 m\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:10px 16px; font-weight:600; color:#333; font-size:14.5px;\"\u003eCooling method\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#2B2B2B; font-size:14.5px;\"\u003eNatural convection (fanless)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:10px 16px; font-weight:600; color:#333; font-size:14.5px;\"\u003eIngress protection rating\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#2B2B2B; font-size:14.5px;\"\u003eIP66\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:10px 16px; font-weight:600; color:#333; font-size:14.5px;\"\u003eInstallation method\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#2B2B2B; font-size:14.5px;\"\u003eWall-mounted\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:10px 16px; font-weight:600; color:#333; font-size:14.5px;\"\u003eCommunication\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#2B2B2B; font-size:14.5px;\"\u003eWLAN \/ Fast Ethernet \/ RS485 \/ optional Sigen CommMod (4G\/3G\/2G)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:10px 16px; font-weight:600; color:#333; font-size:14.5px;\"\u003eNight-time consumption\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#2B2B2B; font-size:14.5px;\"\u003e2.5 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F7FAFA; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:10px 16px; font-weight:600; color:#333; font-size:14.5px;\"\u003eNoise level\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#2B2B2B; font-size:14.5px;\"\u003e25 dB\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#fff; font-weight:700; font-size:13px; text-transform:uppercase; letter-spacing:0.05em; padding:10px 16px; border-radius:6px 6px 0 0; margin-top:18px;\"\u003eStandards Compliance\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #D9EDEA; border-top:none; border-radius:0 0 6px 6px; overflow:hidden; margin-bottom:8px;\"\u003e\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 46%; padding:10px 16px; font-weight:600; color:#333; font-size:14.5px;\"\u003eCertifications\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 16px; color:#2B2B2B; font-size:14.5px;\"\u003eIEC\/EN 62109-1, IEC\/EN 62109-2, IEC\/EN 61000-6-1, IEC\/EN 61000-6-2\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:16px;\"\u003e\u003c\/div\u003e\n\u003cdetails style=\"border:1px solid #D9EDEA; border-radius:8px; margin-bottom:10px; overflow:hidden;\"\u003e\u003csummary style=\"padding:14px 18px; font-weight:700; color:#00625D; font-size:15px; cursor:pointer; list-style:none; display:flex; align-items:center; justify-content:space-between; background:#E6F4F3;\"\u003e\u003cspan\u003eDo I need the Sigen Battery Controller (BC) to use this inverter?\u003c\/span\u003e\u003csvg width=\"16\" height=\"16\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#008377CF\" stroke-width=\"2.5\"\u003e\u003cpolyline points=\"6 9 12 15 18 9\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e\u003c\/summary\u003e\u003cdiv style=\"padding:14px 18px 16px 18px; font-size:14.5px; color:#444; line-height:1.6; background:#fff; border-top:1px solid #D9EDEA;\"\u003eNo, not to begin with. The \u003cstrong\u003eSigen Hybrid 5.0 SP2\u003c\/strong\u003e operates on its own as a standalone grid-tied PV inverter straight out of the box. The \u003cstrong\u003eSigen Battery Controller (SigenStor BC)\u003c\/strong\u003e is a separate unit you add only when you want to connect Sigen Battery (SigenStor BAT) storage modules — on this 2nd-generation platform, the battery management and EMS functions live in the BC, not in the inverter itself.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #D9EDEA; border-radius:8px; margin-bottom:10px; overflow:hidden;\"\u003e\u003csummary style=\"padding:14px 18px; font-weight:700; color:#00625D; font-size:15px; cursor:pointer; list-style:none; display:flex; align-items:center; justify-content:space-between; background:#E6F4F3;\"\u003e\u003cspan\u003eWhat's the difference between this inverter and the Sigen Battery Controller?\u003c\/span\u003e\u003csvg width=\"16\" height=\"16\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#008377CF\" stroke-width=\"2.5\"\u003e\u003cpolyline points=\"6 9 12 15 18 9\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e\u003c\/summary\u003e\u003cdiv style=\"padding:14px 18px 16px 18px; font-size:14.5px; color:#444; line-height:1.6; background:#fff; border-top:1px solid #D9EDEA;\"\u003eThey are two different products designed to work together. The \u003cstrong\u003eSigen Hybrid Inverter\u003c\/strong\u003e handles solar generation and grid\/AC conversion. The \u003cstrong\u003eSigen Battery Controller (SigenStor BC)\u003c\/strong\u003e is a separate wall-mounted unit that sits between the inverter and the battery packs, managing battery charge\/discharge and energy flow. Both are required, along with at least one Sigen Battery module, to build a complete storage-and-backup system.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #D9EDEA; border-radius:8px; margin-bottom:10px; overflow:hidden;\"\u003e\u003csummary style=\"padding:14px 18px; font-weight:700; color:#00625D; font-size:15px; cursor:pointer; list-style:none; display:flex; align-items:center; justify-content:space-between; background:#E6F4F3;\"\u003e\u003cspan\u003eHow many solar panels can I connect?\u003c\/span\u003e\u003csvg width=\"16\" height=\"16\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#008377CF\" stroke-width=\"2.5\"\u003e\u003cpolyline points=\"6 9 12 15 18 9\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e\u003c\/summary\u003e\u003cdiv style=\"padding:14px 18px 16px 18px; font-size:14.5px; color:#444; line-height:1.6; background:#fff; border-top:1px solid #D9EDEA;\"\u003eThat depends on your panel wattage and array design, but the inverter's DC\/AC oversizing ratio of up to \u003cstrong\u003e2.0\u003c\/strong\u003e means the connected PV array can significantly exceed the inverter's AC output rating. An MCS-certified installer should confirm string sizing against the MPPT voltage window and your specific panels.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #D9EDEA; border-radius:8px; margin-bottom:10px; overflow:hidden;\"\u003e\u003csummary style=\"padding:14px 18px; font-weight:700; color:#00625D; font-size:15px; cursor:pointer; list-style:none; display:flex; align-items:center; justify-content:space-between; background:#E6F4F3;\"\u003e\u003cspan\u003eCan this inverter provide backup power during a grid outage?\u003c\/span\u003e\u003csvg width=\"16\" height=\"16\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#008377CF\" stroke-width=\"2.5\"\u003e\u003cpolyline points=\"6 9 12 15 18 9\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e\u003c\/summary\u003e\u003cdiv style=\"padding:14px 18px 16px 18px; font-size:14.5px; color:#444; line-height:1.6; background:#fff; border-top:1px solid #D9EDEA;\"\u003eBackup\/off-grid operation requires the inverter to be paired with a \u003cstrong\u003eSigen Battery Controller\u003c\/strong\u003e and at least one \u003cstrong\u003eSigen Battery\u003c\/strong\u003e module. To achieve a 0ms load-side disruption time, a Sigen Energy Gateway is also needed alongside the inverter and battery. As a standalone PV-only installation, the inverter will not export or supply loads during a grid outage, in line with normal anti-islanding protection.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #D9EDEA; border-radius:8px; margin-bottom:10px; overflow:hidden;\"\u003e\u003csummary style=\"padding:14px 18px; font-weight:700; color:#00625D; font-size:15px; cursor:pointer; list-style:none; display:flex; align-items:center; justify-content:space-between; background:#E6F4F3;\"\u003e\u003cspan\u003eHow quiet is this inverter in practice?\u003c\/span\u003e\u003csvg width=\"16\" height=\"16\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#008377CF\" stroke-width=\"2.5\"\u003e\u003cpolyline points=\"6 9 12 15 18 9\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e\u003c\/summary\u003e\u003cdiv style=\"padding:14px 18px 16px 18px; font-size:14.5px; color:#444; line-height:1.6; background:#fff; border-top:1px solid #D9EDEA;\"\u003eSigenergy rates the SP2 at \u003cstrong\u003e25dB\u003c\/strong\u003e, achieved through a fully fanless design with no internal or external moving parts. This is comparable to a quiet library and suits mounting on walls close to bedrooms or living areas.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #D9EDEA; border-radius:8px; margin-bottom:10px; overflow:hidden;\"\u003e\u003csummary style=\"padding:14px 18px; font-weight:700; color:#00625D; font-size:15px; cursor:pointer; list-style:none; display:flex; align-items:center; justify-content:space-between; background:#E6F4F3;\"\u003e\u003cspan\u003eWhere can this inverter be installed?\u003c\/span\u003e\u003csvg width=\"16\" height=\"16\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#008377CF\" stroke-width=\"2.5\"\u003e\u003cpolyline points=\"6 9 12 15 18 9\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e\u003c\/summary\u003e\u003cdiv style=\"padding:14px 18px 16px 18px; font-size:14.5px; color:#444; line-height:1.6; background:#fff; border-top:1px solid #D9EDEA;\"\u003eIts \u003cstrong\u003eIP66\u003c\/strong\u003e ingress protection rating and -30°C to 60°C operating range make it suitable for wall-mounting outdoors, in a garage, or in a plant room. Its slim \u003cstrong\u003e99mm\u003c\/strong\u003e depth also makes it easier to fit in narrow utility spaces than bulkier inverter designs.\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e","brand":"Sigenergy","offers":[{"title":"Default Title","offer_id":65710508310877,"sku":"SI-Hybrid-5-SP2","price":499.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/SigenergySigenHybridInverterSP2withSigenstorBattery.jpg?v=1787828544","url":"https:\/\/qualityheating.co.uk\/products\/sigenergy-sigen-hybrid-inverter-sp2-5kw-1-phase-slim-silent-solar-battery-inverter","provider":"AIZO Quality Heating","version":"1.0","type":"link"}