{"product_id":"byd-battery-box-premium-lvl-48v-lithium-battery-15-4kwh","title":"BYD Battery-Box Premium LVL 48V Lithium Battery - 15.4kWh","description":"\u003cstyle\u003e\n  .dw-wrap{font-family:inherit;color:inherit;line-height:1.7;font-size:16px}\n  .dw-wrap p,.dw-wrap li,.dw-wrap td,.dw-wrap th{font-size:16px!important;line-height:1.7}\n  .dw-wrap h2{font-size:22px!important;font-weight:700;color:#1a3a5c;border-bottom:3px solid #008377;padding-bottom:6px;margin:2rem 0 1rem;line-height:1.3}\n  .dw-wrap h3{font-size:17px!important;font-weight:700;color:#1a3a5c;margin:1.2rem 0 0.4rem;line-height:1.4}\n  .dw-wrap p{margin:0 0 1rem}\n  .dw-wrap ul{padding-left:1.5rem;margin:0 0 1rem}\n  .dw-wrap ul li{margin-bottom:0.5rem}\n  .dw-badge{display:inline-block;font-size:13px!important;font-weight:700;border-radius:4px;padding:2px 10px;margin-right:5px;margin-bottom:4px;vertical-align:middle}\n  .dw-badge.blue{background:#008377;color:#fff}\n  .dw-badge.navy{background:#1a3a5c;color:#fff}\n  .dw-badge.teal{background:#0d9488;color:#fff}\n  .dw-badge.green{background:#1a7a3c;color:#fff}\n  .dw-badge.grey{background:#555;color:#fff}\n  .dw-intro-box{background:#e0f2fe;border-left:4px solid #008377CF;padding:1.1rem 1.4rem;border-radius:0 6px 6px 0;margin-bottom:1.5rem}\n  .dw-intro-box p{margin:0!important}\n  .dw-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:0.85rem;margin-bottom:1.2rem}\n  .dw-card{background:#e0f2fe;border:1px solid #90caf9;border-radius:6px;padding:1rem 1.1rem;line-height:1.6}\n  .dw-card strong{display:block;color:#1a3a5c;margin-bottom:0.35rem;font-size:16px!important}\n  .dw-info-box{background:#f0fdf4;border:1px solid #86efac;border-radius:6px;padding:1rem 1.2rem;margin:1.2rem 0}\n  .dw-info-box p{margin:0 0 0.5rem!important;color:#065f46;font-weight:700}\n  .dw-comp-box{background:#fff3cd;border:1px solid #ffc107;border-radius:5px;padding:0.9rem 1.1rem;margin:0.8rem 0}\n  .dw-spec-table{width:100%;border-collapse:collapse;margin-bottom:1.5rem}\n  .dw-spec-table th{background:#1a3a5c;color:#fff!important;text-align:left;padding:0.7rem 1rem;font-weight:700;font-size:16px!important}\n  .dw-spec-table td{padding:0.6rem 1rem;border-bottom:1px solid #bde0f5;vertical-align:top;font-size:16px!important}\n  .dw-spec-table tr:nth-child(even) td{background:#e0f2fe}\n  .dw-spec-table td:first-child{font-weight:600;color:#111;width:44%}\n  .dw-faq-item{border-bottom:1px solid #bde0f5;padding:0.9rem 0}\n  .dw-faq-item:last-child{border-bottom:none}\n  .dw-faq-item strong{color:#1a3a5c;font-size:16px!important;display:block;margin-bottom:0.3rem}\n  .dw-contents-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:0.6rem;margin-bottom:1.2rem}\n  .dw-contents-item{background:#f0f9ff;border:1px solid #bde0f5;border-radius:5px;padding:0.6rem 0.9rem;font-size:15px!important}\n\u003c\/style\u003e\n\u003cdiv class=\"dw-wrap\"\u003e\n\u003cdiv style=\"margin-bottom: 1rem;\"\u003e\n\u003cspan class=\"dw-badge blue\"\u003eBYD-LVL-15.4\u003c\/span\u003e \u003cspan class=\"dw-badge navy\"\u003eBYD\u003c\/span\u003e \u003cspan class=\"dw-badge teal\"\u003e15.4 kWh\u003c\/span\u003e \u003cspan class=\"dw-badge green\"\u003e48V LiFePO4\u003c\/span\u003e \u003cspan class=\"dw-badge grey\"\u003eAll-in-One Tower\u003c\/span\u003e \u003cspan class=\"dw-badge grey\"\u003eExpandable\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dw-intro-box\"\u003e\n\u003cp\u003e\u003cstrong\u003eBYD Battery-Box Premium LVL 15.4 kWh 48V Lithium Battery\u003c\/strong\u003e — High-capacity all-in-one tower battery system | 15.4 kWh nominal capacity (14.8 kWh usable) | 48 V low-voltage architecture | Integrated BMS, fuses \u0026amp; DC breaker | Modular \u0026amp; expandable up to 512 kWh | Cobalt-free LiFePO4 chemistry | Plug-and-play stacking | Compatible with Victron, SMA, Fronius, Growatt \u0026amp; many hybrid inverters | 10-year warranty (60% capacity retention) | Ideal for large residential solar storage, self-consumption, backup power \u0026amp; off-grid systems\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dw-comp-box\"\u003e\n\u003cstrong style=\"color: #856404;\"\u003e✅ Ready-to-use high-capacity tower – no separate PDU or external components needed\u003c\/strong\u003e\n\u003cp style=\"margin: 0.3rem 0 0; color: #5a3a00;\"\u003eThe LVL 15.4 is a complete pre-assembled tower with integrated base, control unit \u0026amp; 15.4 kWh storage. Stack additional LVL towers in parallel for 30.8 kWh, 46.2 kWh up to 512 kWh total. 100% DoD, 6000+ cycles \u0026amp; integrated BMS make it safe, reliable \u0026amp; maintenance-free. Works seamlessly with most 48V hybrid inverters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe BYD Battery-Box Premium LVL 15.4 is a powerful, pre-assembled all-in-one 48V lithium battery tower delivering 15.4 kWh nominal capacity (14.8 kWh usable at 96% DoD) in a single compact unit. Unlike the modular LVS series, the LVL includes integrated base, PDU (power distribution unit), master BMS, DC breaker \u0026amp; fuses – ready for immediate connection to your hybrid inverter without additional components.\u003c\/p\u003e\n\u003cp\u003eFeaturing safe cobalt-free LiFePO4 chemistry, the LVL offers exceptional cycle life (≥6000 cycles at 60% capacity retention after 10 years) and 100% depth of discharge for maximum usable energy. The integrated BMS provides advanced cell balancing, over\/under-voltage protection, over-current protection \u0026amp; temperature monitoring. Towers can be paralleled (up to 32 units) for total capacities from 15.4 kWh to 512 kWh – ideal for large homes, small commercial sites, full self-consumption or off-grid applications. Plug-and-play design simplifies installation, while broad compatibility with Victron (MultiPlus\/Quattro), SMA (Sunny Boy Storage), Fronius (GEN24), Growatt \u0026amp; many other hybrid inverters ensures flexibility.\u003c\/p\u003e\n\u003ch2\u003eWhat Makes the BYD Battery-Box Premium LVL 15.4 Special?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll-in-One Tower Design\u003c\/strong\u003e — Pre-assembled with base, PDU, BMS \u0026amp; protection – no separate components or inter-cabling required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Usable Capacity\u003c\/strong\u003e — 14.8 kWh usable from 15.4 kWh nominal – 100% DoD for maximum energy storage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafe LiFePO4 Chemistry\u003c\/strong\u003e — Cobalt-free – no thermal runaway risk, perfect for indoor\/residential use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScalable to 512 kWh\u003c\/strong\u003e — Parallel up to 32 towers – ideal for large homes or small commercial applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Protection\u003c\/strong\u003e — Built-in DC breaker, fuses \u0026amp; multi-layer BMS – safe, compliant \u0026amp; reliable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroad Inverter Compatibility\u003c\/strong\u003e — Works with Victron, SMA, Fronius, Growatt, Solis \u0026amp; many 48V hybrid inverters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10-Year Warranty\u003c\/strong\u003e — Guarantees 60% capacity retention after 10 years or 6000 cycles – long-term assurance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cdiv class=\"dw-grid\"\u003e\n\u003cdiv class=\"dw-card\"\u003e\n\u003cstrong\u003e15.4 kWh Nominal\u003c\/strong\u003e14.8 kWh usable per tower – 100% DoD for maximum storage.\u003c\/div\u003e\n\u003cdiv class=\"dw-card\"\u003e\n\u003cstrong\u003e48V Low-Voltage\u003c\/strong\u003eSimple, safe installation – compatible with most hybrid inverters.\u003c\/div\u003e\n\u003cdiv class=\"dw-card\"\u003e\n\u003cstrong\u003eLiFePO4 Cells\u003c\/strong\u003eCobalt-free, safe chemistry – 6000+ cycles at 60% retention.\u003c\/div\u003e\n\u003cdiv class=\"dw-card\"\u003e\n\u003cstrong\u003eIntegrated BMS \u0026amp; Breaker\u003c\/strong\u003eCell balancing, over\/under-voltage, over-current \u0026amp; temperature protection.\u003c\/div\u003e\n\u003cdiv class=\"dw-card\"\u003e\n\u003cstrong\u003eAll-in-One Design\u003c\/strong\u003ePre-assembled tower – no separate PDU or external cables.\u003c\/div\u003e\n\u003cdiv class=\"dw-card\"\u003e\n\u003cstrong\u003eExpandable to 512 kWh\u003c\/strong\u003eParallel up to 32 towers – grow with your energy needs.\u003c\/div\u003e\n\u003cdiv class=\"dw-card\"\u003e\n\u003cstrong\u003e10-Year Warranty\u003c\/strong\u003e60% capacity after 10 years – peace of mind for solar storage.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eTechnical Specifications (Single LVL 15.4 Tower)\u003c\/h2\u003e\n\u003ctable class=\"dw-spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMPN \/ SKU\u003c\/td\u003e\n\u003ctd\u003eBYD-LVL-15.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Capacity\u003c\/td\u003e\n\u003ctd\u003e15.4 kWh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUsable Capacity\u003c\/td\u003e\n\u003ctd\u003e14.8 kWh (96% DoD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Voltage\u003c\/td\u003e\n\u003ctd\u003e51.2 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage Range\u003c\/td\u003e\n\u003ctd\u003e44.8–57.6 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Charge\/Discharge Current\u003c\/td\u003e\n\u003ctd\u003e200 A (0.5C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Charge\/Discharge Current\u003c\/td\u003e\n\u003ctd\u003e100 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Discharge Current\u003c\/td\u003e\n\u003ctd\u003e400 A (3 s)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCycle Life\u003c\/td\u003e\n\u003ctd\u003e≥6000 cycles at 60% capacity retention\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCell Chemistry\u003c\/td\u003e\n\u003ctd\u003eLiFePO4 (cobalt-free)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection\u003c\/td\u003e\n\u003ctd\u003eIntegrated BMS \u0026amp; DC breaker (over\/under-voltage, over-current, temperature, short-circuit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature (Charge)\u003c\/td\u003e\n\u003ctd\u003e0 °C to +50 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature (Discharge)\u003c\/td\u003e\n\u003ctd\u003e-10 °C to +50 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (H × W × D)\u003c\/td\u003e\n\u003ctd\u003eApprox. 1800 × 585 × 298 mm (full tower)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eApprox. 180–200 kg (full tower)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e10 years (60% capacity retention)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eCE, UN38.3, IEC 62619\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cdiv class=\"dw-contents-grid\"\u003e\n\u003cdiv class=\"dw-contents-item\"\u003e✔ 1 × BYD Battery-Box Premium LVL 15.4 kWh All-in-One Tower\u003c\/div\u003e\n\u003cdiv class=\"dw-contents-item\"\u003e✔ Integrated base, PDU, BMS \u0026amp; DC breaker\u003c\/div\u003e\n\u003cdiv class=\"dw-contents-item\"\u003e✔ Power cables \u0026amp; communication cable\u003c\/div\u003e\n\u003cdiv class=\"dw-contents-item\"\u003e✔ Installation manual \u0026amp; warranty registration card\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dw-info-box\"\u003e\n\u003cp\u003e✅ Complete tower with integrated base \u0026amp; control – no separate PDU required. Stack additional LVL towers in parallel for larger capacities (up to 512 kWh total). Compatible with Victron, SMA, Fronius, Growatt \u0026amp; many hybrid inverters. Installation by qualified electrician required – 48V DC systems need specialist knowledge. 10-year warranty – register online with BYD for full coverage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"dw-faq-item\"\u003e\n\u003cstrong\u003eIs this a complete tower or just a component?\u003c\/strong\u003e This is a complete all-in-one 15.4 kWh tower with integrated base, PDU, BMS \u0026amp; protection – ready for connection to your inverter.\u003c\/div\u003e\n\u003cdiv class=\"dw-faq-item\"\u003e\n\u003cstrong\u003eCan I add more capacity later?\u003c\/strong\u003e Yes – parallel additional LVL towers (up to 32 units total) for 30.8 kWh, 46.2 kWh up to 512 kWh.\u003c\/div\u003e\n\u003cdiv class=\"dw-faq-item\"\u003e\n\u003cstrong\u003eWhat inverters are compatible?\u003c\/strong\u003e Works with Victron (MultiPlus\/Quattro), SMA (Sunny Boy Storage), Fronius (GEN24), Growatt, Solis \u0026amp; many other 48V hybrid inverters.\u003c\/div\u003e\n\u003cdiv class=\"dw-faq-item\"\u003e\n\u003cstrong\u003eIs it safe for indoor installation?\u003c\/strong\u003e Yes – LiFePO4 chemistry is very safe (no thermal runaway), with integrated BMS \u0026amp; DC breaker protection.\u003c\/div\u003e\n\u003cdiv class=\"dw-faq-item\"\u003e\n\u003cstrong\u003eHow long does the battery last?\u003c\/strong\u003e ≥6000 cycles at 60% capacity retention after 10 years – typically 10–15+ years of daily use.\u003c\/div\u003e\n\u003cdiv class=\"dw-faq-item\"\u003e\n\u003cstrong\u003eDoes it have built-in protection?\u003c\/strong\u003e Yes – integrated BMS \u0026amp; DC breaker handle cell balancing, over\/under-voltage, over-current, short-circuit \u0026amp; temperature protection.\u003c\/div\u003e\n\u003cdiv class=\"dw-faq-item\"\u003e\n\u003cstrong\u003eWho installs it?\u003c\/strong\u003e Qualified electrician with experience in 48V DC battery systems – must follow local regulations \u0026amp; BYD guidelines.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"BYD","offers":[{"title":"Default Title","offer_id":62935219831133,"sku":"BYD-LVL-15.4","price":4990.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/BYD15.4kWh48VPremiumLVLLithiumBatteryBox.webp?v=1773325966","url":"https:\/\/qualityheating.co.uk\/products\/byd-battery-box-premium-lvl-48v-lithium-battery-15-4kwh","provider":"AIZO Quality Heating","version":"1.0","type":"link"}