{"product_id":"victron-multiplus-48v-20000va-250a-inverter-charger-high-power-off-grid-hybrid-solar-solution","title":"Victron MultiPlus 48V 20000VA 250A Inverter Charger | High Power Off-Grid \u0026 Hybrid Solar Solution","description":"\u003cdiv style=\"font-size:16px; font-family:Arial,sans-serif; color:#222; max-width:900px; margin:0 auto; line-height:1.6;\"\u003e\n\n  \u003c!-- Intro --\u003e\n  \u003cp style=\"margin:0 0 18px;\"\u003eThe \u003cstrong\u003eVictron MultiPlus 48V\/20000VA\/250A\u003c\/strong\u003e is Victron Energy's largest single-unit inverter\/charger — a professional-grade, all-in-one powerhouse for demanding off-grid, hybrid solar, and large-scale energy storage applications. Combining a \u003cstrong\u003etrue sine wave inverter\u003c\/strong\u003e, a \u003cstrong\u003e250 A four-stage adaptive battery charger\u003c\/strong\u003e, and an integrated \u003cstrong\u003e100 A automatic transfer switch\u003c\/strong\u003e in a single robust aluminium enclosure, this unit can sustain \u003cstrong\u003e20 kW of continuous AC output\u003c\/strong\u003e and surge to \u003cstrong\u003e25 kW peak power\u003c\/strong\u003e — enough to power an entire commercial premises, farm, or large off-grid home without a generator. It accepts \u003cstrong\u003elead-acid and lithium battery banks\u003c\/strong\u003e (48 V), integrates natively into the full Victron ecosystem via \u003cstrong\u003eVE.Bus\u003c\/strong\u003e, and can be monitored remotely from anywhere in the world through the \u003cstrong\u003efree VRM portal\u003c\/strong\u003e.\u003c\/p\u003e\n\n  \u003c!-- Stat strip --\u003e\n  \u003cdiv style=\"display:flex; flex-wrap:wrap; gap:12px; margin:0 0 24px;\"\u003e\n    \u003cdiv style=\"flex:1 1 130px; background:#008377CF; color:#fff; border-radius:8px; padding:16px 14px; text-align:center;\"\u003e\n      \u003cdiv style=\"font-size:26px; font-weight:700; line-height:1;\"\u003e20 kW\u003c\/div\u003e\n      \u003cdiv style=\"font-size:13px; margin-top:4px;\"\u003eContinuous Output\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"flex:1 1 130px; background:#008377CF; color:#fff; border-radius:8px; padding:16px 14px; text-align:center;\"\u003e\n      \u003cdiv style=\"font-size:26px; font-weight:700; line-height:1;\"\u003e25 kW\u003c\/div\u003e\n      \u003cdiv style=\"font-size:13px; margin-top:4px;\"\u003ePeak Surge Power\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"flex:1 1 130px; background:#008377CF; color:#fff; border-radius:8px; padding:16px 14px; text-align:center;\"\u003e\n      \u003cdiv style=\"font-size:26px; font-weight:700; line-height:1;\"\u003e250 A\u003c\/div\u003e\n      \u003cdiv style=\"font-size:13px; margin-top:4px;\"\u003eMax Charge Current\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"flex:1 1 130px; background:#008377CF; color:#fff; border-radius:8px; padding:16px 14px; text-align:center;\"\u003e\n      \u003cdiv style=\"font-size:26px; font-weight:700; line-height:1;\"\u003e96%\u003c\/div\u003e\n      \u003cdiv style=\"font-size:13px; margin-top:4px;\"\u003eMax Efficiency\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"flex:1 1 130px; background:#008377CF; color:#fff; border-radius:8px; padding:16px 14px; text-align:center;\"\u003e\n      \u003cdiv style=\"font-size:26px; font-weight:700; line-height:1;\"\u003e\u0026lt;20 ms\u003c\/div\u003e\n      \u003cdiv style=\"font-size:13px; margin-top:4px;\"\u003eTransfer Switchover\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Callout: Installer note --\u003e\n  \u003cdiv style=\"background:#fff3cd; border-left:5px solid #e0a800; border-radius:6px; padding:14px 16px; margin:0 0 16px;\"\u003e\n    \u003cstrong style=\"color:#7a5a00;\"\u003e⚠ Professional Installation Required\u003c\/strong\u003e\u003cbr\u003e\n    The MultiPlus 48V\/20000VA is a high-power unit (80 kg, four M8 DC bolt connections). Installation must be carried out by a qualified electrician familiar with Victron VE.Bus commissioning. Settings may only be changed by a suitably trained installer in accordance with local wiring regulations.\n  \u003c\/div\u003e\n\n  \u003c!-- Callout: Compatibility --\u003e\n  \u003cdiv style=\"background:#fff8e1; border-left:5px solid #f59e0b; border-radius:6px; padding:14px 16px; margin:0 0 16px;\"\u003e\n    \u003cstrong style=\"color:#78450a;\"\u003e⚠ Battery Bank Compatibility\u003c\/strong\u003e\u003cbr\u003e\n    Designed for \u003cstrong\u003e48 V DC battery systems\u003c\/strong\u003e with an input voltage range of 38–60 V. Compatible with lead-acid (AGM, GEL, OPzS, tubular plate) and lithium (LiFePO₄) batteries. Lithium configurations require correct BMS integration — consult a Victron dealer before specifying battery type and capacity. A minimum battery bank sufficient to sustain the 250 A charge current is strongly recommended.\n  \u003c\/div\u003e\n\n  \u003c!-- Callout: Info --\u003e\n  \u003cdiv style=\"background:#e6f4f3; border-left:5px solid #008377CF; border-radius:6px; padding:14px 16px; margin:0 0 24px;\"\u003e\n    \u003cstrong style=\"color:#005c54;\"\u003eℹ Part of the Full Victron Ecosystem\u003c\/strong\u003e\u003cbr\u003e\n    This unit communicates over \u003cstrong\u003eVE.Bus\u003c\/strong\u003e and integrates natively with Cerbo GX, Ekrano GX, VRM portal, VictronConnect app, and Digital Multi Control Panel. Up to three units can be configured in three-phase operation; parallel systems require an external AC transfer switch. An optional 100 A AC current sensor enables \u003cstrong\u003ePowerAssist\u003c\/strong\u003e and grid self-consumption optimisation.\n  \u003c\/div\u003e\n\n  \u003c!-- Feature cards --\u003e\n  \u003cdiv style=\"display:flex; flex-wrap:wrap; gap:16px; margin:0 0 28px;\"\u003e\n\n    \u003cdiv style=\"flex:1 1 260px; border:1px solid #c8e6e3; border-radius:8px; padding:18px; background:#f7fdfc;\"\u003e\n      \u003cdiv style=\"font-size:15px; font-weight:700; color:#008377; margin-bottom:8px;\"\u003eTrue Sine Wave Inverter\u003c\/div\u003e\n      \u003cp style=\"margin:0; font-size:15px;\"\u003eProduces a \u003cstrong\u003epure, utility-quality sine wave\u003c\/strong\u003e at 230 VAC ±2%, making it safe for sensitive electronics, motor-driven equipment, and medical devices. At 25°C the unit sustains the full \u003cstrong\u003e20 kW\u003c\/strong\u003e continuously — dropping to \u003cstrong\u003e18 kW at 40°C\u003c\/strong\u003e and \u003cstrong\u003e14 kW at 65°C\u003c\/strong\u003e with fan-assisted thermal management.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv style=\"flex:1 1 260px; border:1px solid #c8e6e3; border-radius:8px; padding:18px; background:#f7fdfc;\"\u003e\n      \u003cdiv style=\"font-size:15px; font-weight:700; color:#008377; margin-bottom:8px;\"\u003e250 A Adaptive Four-Stage Charger\u003c\/div\u003e\n      \u003cp style=\"margin:0; font-size:15px;\"\u003eThe integrated charger delivers up to \u003cstrong\u003e250 A at 25°C\u003c\/strong\u003e (240 A at 40°C) using Victron's \u003cstrong\u003eadaptive charging algorithm\u003c\/strong\u003e — automatically adjusting absorption time based on depth of discharge to prevent overcharging and extend battery life. Supports bulk, absorption, float, and storage modes with configurable voltages via VEConfigure.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv style=\"flex:1 1 260px; border:1px solid #c8e6e3; border-radius:8px; padding:18px; background:#f7fdfc;\"\u003e\n      \u003cdiv style=\"font-size:15px; font-weight:700; color:#008377; margin-bottom:8px;\"\u003ePowerControl \u0026amp; PowerAssist\u003c\/div\u003e\n      \u003cp style=\"margin:0; font-size:15px;\"\u003e\u003cstrong\u003ePowerControl\u003c\/strong\u003e limits battery charging to prevent overloading a generator or grid connection. \u003cstrong\u003ePowerAssist\u003c\/strong\u003e goes further: when peak load demand exceeds the available AC supply, the inverter supplements it with battery power in real time — then recharges when demand falls. The maximum AC input current is \u003cstrong\u003e100 A\u003c\/strong\u003e.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv style=\"flex:1 1 260px; border:1px solid #c8e6e3; border-radius:8px; padding:18px; background:#f7fdfc;\"\u003e\n      \u003cdiv style=\"font-size:15px; font-weight:700; color:#008377; margin-bottom:8px;\"\u003eSeamless UPS Transfer (\u0026lt;20 ms)\u003c\/div\u003e\n      \u003cp style=\"margin:0; font-size:15px;\"\u003eWhen grid or generator power fails, the MultiPlus switches to inverter mode in \u003cstrong\u003eless than 20 milliseconds\u003c\/strong\u003e — fast enough that computers, NAS devices, and sensitive HVAC controls continue running without any interruption. The main AC output is a \u003cstrong\u003eno-break\u003c\/strong\u003e output; a second output can be configured for non-critical loads only.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv style=\"flex:1 1 260px; border:1px solid #c8e6e3; border-radius:8px; padding:18px; background:#f7fdfc;\"\u003e\n      \u003cdiv style=\"font-size:15px; font-weight:700; color:#008377; margin-bottom:8px;\"\u003eTwo Independent AC Outputs\u003c\/div\u003e\n      \u003cp style=\"margin:0; font-size:15px;\"\u003eThe \u003cstrong\u003eprimary AC output\u003c\/strong\u003e is a permanent, no-break supply that remains live on both grid and battery power. The \u003cstrong\u003esecond AC output\u003c\/strong\u003e (live only when AC input is present) is ideal for high-draw appliances such as immersion heaters or EV chargers that should not discharge the battery — keeping battery reserve for essential loads.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv style=\"flex:1 1 260px; border:1px solid #c8e6e3; border-radius:8px; padding:18px; background:#f7fdfc;\"\u003e\n      \u003cdiv style=\"font-size:15px; font-weight:700; color:#008377; margin-bottom:8px;\"\u003eParallel \u0026amp; Three-Phase Scalability\u003c\/div\u003e\n      \u003cp style=\"margin:0; font-size:15px;\"\u003eThree MultiPlus 20k units can be configured in \u003cstrong\u003ethree-phase operation\u003c\/strong\u003e to deliver up to \u003cstrong\u003e60 kW three-phase AC output\u003c\/strong\u003e — meeting the needs of large commercial premises, agricultural sites, and industrial off-grid installations. Parallel operation requires an external AC transfer switch; all units communicate via VE.Bus.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv style=\"flex:1 1 260px; border:1px solid #c8e6e3; border-radius:8px; padding:18px; background:#f7fdfc;\"\u003e\n      \u003cdiv style=\"font-size:15px; font-weight:700; color:#008377; margin-bottom:8px;\"\u003eSolar \u0026amp; Grid Self-Consumption\u003c\/div\u003e\n      \u003cp style=\"margin:0; font-size:15px;\"\u003eUsing the optional \u003cstrong\u003e100 A external AC current sensor\u003c\/strong\u003e, the MultiPlus can operate as part of a grid-connected ESS (Energy Storage System), optimising solar self-consumption, preventing grid feed-in, and automatically sourcing from the cheapest available energy at any moment. Compatible with both solar charge controllers and grid-tie inverters.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv style=\"flex:1 1 260px; border:1px solid #c8e6e3; border-radius:8px; padding:18px; background:#f7fdfc;\"\u003e\n      \u003cdiv style=\"font-size:15px; font-weight:700; color:#008377; margin-bottom:8px;\"\u003eRemote Monitoring via VRM Portal\u003c\/div\u003e\n      \u003cp style=\"margin:0; font-size:15px;\"\u003ePair with a \u003cstrong\u003eCerbo GX or Ekrano GX\u003c\/strong\u003e to access the free \u003cstrong\u003eVictron VRM portal\u003c\/strong\u003e from any browser or the VRM mobile app. View live and historical system data, receive alarm notifications by email or push, and adjust inverter settings remotely — without a site visit. Local monitoring is also available via Bluetooth (VE.Bus Smart Dongle) or LAN.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv style=\"flex:1 1 260px; border:1px solid #c8e6e3; border-radius:8px; padding:18px; background:#f7fdfc;\"\u003e\n      \u003cdiv style=\"font-size:15px; font-weight:700; color:#008377; margin-bottom:8px;\"\u003eEnergy Saving Modes\u003c\/div\u003e\n      \u003cp style=\"margin:0; font-size:15px;\"\u003eWhen operating off-grid with low loads, idle consumption can be reduced using \u003cstrong\u003eAES mode\u003c\/strong\u003e (40 W standby) or \u003cstrong\u003eSearch mode\u003c\/strong\u003e (13 W) — compared to 65 W in standard operation. The unit will wake automatically when a connected load is detected, preserving battery capacity during overnight or standby periods.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\n  \u003c!-- Specification table --\u003e\n  \u003cdiv style=\"margin:0 0 28px;\"\u003e\n    \u003cdiv style=\"background:#008377CF; color:#fff; font-weight:700; font-size:15px; padding:12px 16px; border-radius:6px 6px 0 0;\"\u003eTechnical Specifications — Victron MultiPlus 48V\/20000VA\/250A\u003c\/div\u003e\n    \u003ctable style=\"width:100%; border-collapse:collapse; font-size:14px;\"\u003e\n      \u003cthead\u003e\n        \u003ctr style=\"background:#005c54; color:#fff;\"\u003e\n          \u003cth style=\"padding:9px 14px; text-align:left; width:45%;\"\u003eParameter\u003c\/th\u003e\n          \u003cth style=\"padding:9px 14px; text-align:left;\"\u003eValue\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr style=\"background:#f7fdfc;\"\u003e\u003ctd colspan=\"2\" style=\"padding:8px 14px; font-weight:700; color:#008377; border-top:1px solid #c8e6e3;\"\u003eInverter\u003c\/td\u003e\u003c\/tr\u003e\n        \u003ctr style=\"background:#fff; border-top:1px solid #e0f0ee;\"\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eDC Input Voltage Range\u003c\/td\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003e38–60 V\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr style=\"background:#f7fdfc; border-top:1px solid #e0f0ee;\"\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003e230 VAC ±2%\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr style=\"background:#fff; border-top:1px solid #e0f0ee;\"\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eOutput Frequency\u003c\/td\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003e50 Hz ±0.1% (adjustable to 60 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr style=\"background:#f7fdfc; border-top:1px solid #e0f0ee;\"\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eContinuous Output Power at 25°C\u003c\/td\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003e\u003cstrong\u003e20 kW\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr style=\"background:#fff; border-top:1px solid #e0f0ee;\"\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eContinuous Output Power at 40°C\u003c\/td\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003e18 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr style=\"background:#f7fdfc; border-top:1px solid #e0f0ee;\"\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eContinuous Output Power at 65°C\u003c\/td\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003e14 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr style=\"background:#fff; border-top:1px solid #e0f0ee;\"\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003ePeak Power (1 min)\u003c\/td\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003e\u003cstrong\u003e25 kW\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr style=\"background:#f7fdfc; border-top:1px solid #e0f0ee;\"\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eTime-Limited Output (cold start)\u003c\/td\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003e21 kW for 5 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr style=\"background:#fff; border-top:1px solid #e0f0ee;\"\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eMaximum Efficiency\u003c\/td\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003e\u003cstrong\u003e96%\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr style=\"background:#f7fdfc; border-top:1px solid #e0f0ee;\"\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eZero Load Power (standard)\u003c\/td\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003e65 W\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr style=\"background:#fff; border-top:1px solid #e0f0ee;\"\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eZero Load Power (AES mode)\u003c\/td\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003e40 W\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr style=\"background:#f7fdfc; border-top:1px solid #e0f0ee;\"\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eZero Load Power (Search mode)\u003c\/td\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003e13 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\n        \u003ctr style=\"background:#f7fdfc;\"\u003e\u003ctd colspan=\"2\" style=\"padding:8px 14px; font-weight:700; color:#008377; border-top:2px solid #c8e6e3;\"\u003eCharger\u003c\/td\u003e\u003c\/tr\u003e\n        \u003ctr style=\"background:#fff; border-top:1px solid #e0f0ee;\"\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eAC Input Voltage Range\u003c\/td\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003e187–265 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr style=\"background:#f7fdfc; border-top:1px solid #e0f0ee;\"\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eAC Input Frequency Range\u003c\/td\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003e45–65 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr style=\"background:#fff; border-top:1px solid #e0f0ee;\"\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eMax Battery Charge Current at 25°C\u003c\/td\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003e\u003cstrong\u003e250 A\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr style=\"background:#f7fdfc; border-top:1px solid #e0f0ee;\"\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eMax Battery Charge Current at 40°C\u003c\/td\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003e240 A\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr style=\"background:#fff; border-top:1px solid #e0f0ee;\"\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eCharge Voltage – Absorption\u003c\/td\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003e57.6 V\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr style=\"background:#f7fdfc; border-top:1px solid #e0f0ee;\"\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eCharge Voltage – Float\u003c\/td\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003e55.2 V\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr style=\"background:#fff; border-top:1px solid #e0f0ee;\"\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eStorage Voltage\u003c\/td\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003e52.8 V\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr style=\"background:#f7fdfc; border-top:1px solid #e0f0ee;\"\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eBattery Temperature Sensor\u003c\/td\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eYes (included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\n        \u003ctr style=\"background:#f7fdfc;\"\u003e\u003ctd colspan=\"2\" style=\"padding:8px 14px; font-weight:700; color:#008377; border-top:2px solid #c8e6e3;\"\u003eAC Transfer \u0026amp; Control\u003c\/td\u003e\u003c\/tr\u003e\n        \u003ctr style=\"background:#fff; border-top:1px solid #e0f0ee;\"\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eTransfer Switch Rating\u003c\/td\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003e\u003cstrong\u003e100 A\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr style=\"background:#f7fdfc; border-top:1px solid #e0f0ee;\"\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eMaximum AC Input Current\u003c\/td\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003e100 A\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr style=\"background:#fff; border-top:1px solid #e0f0ee;\"\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003ePowerControl \u0026amp; PowerAssist\u003c\/td\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr style=\"background:#f7fdfc; border-top:1px solid #e0f0ee;\"\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eAuxiliary Output\u003c\/td\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eYes (50 A)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr style=\"background:#fff; border-top:1px solid #e0f0ee;\"\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eProgrammable Relay\u003c\/td\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eYes — alarm, DC under-voltage, or genset start\/stop (230 V \/ 4 A AC; 4 A DC up to 35 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr style=\"background:#f7fdfc; border-top:1px solid #e0f0ee;\"\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eExternal AC Current Sensor (optional)\u003c\/td\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003e100 A (for PowerAssist and self-consumption)\u003c\/td\u003e\n\u003c\/tr\u003e\n\n        \u003ctr style=\"background:#f7fdfc;\"\u003e\u003ctd colspan=\"2\" style=\"padding:8px 14px; font-weight:700; color:#008377; border-top:2px solid #c8e6e3;\"\u003eConnectivity \u0026amp; Communication\u003c\/td\u003e\u003c\/tr\u003e\n        \u003ctr style=\"background:#fff; border-top:1px solid #e0f0ee;\"\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eVE.Bus Port\u003c\/td\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eYes — parallel \/ three-phase, monitoring, system integration\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr style=\"background:#f7fdfc; border-top:1px solid #e0f0ee;\"\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eGeneral Purpose Communication Ports\u003c\/td\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003e2×\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr style=\"background:#fff; border-top:1px solid #e0f0ee;\"\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eRemote On\/Off\u003c\/td\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\n        \u003ctr style=\"background:#f7fdfc;\"\u003e\u003ctd colspan=\"2\" style=\"padding:8px 14px; font-weight:700; color:#008377; border-top:2px solid #c8e6e3;\"\u003eProtections\u003c\/td\u003e\u003c\/tr\u003e\n        \u003ctr style=\"background:#fff; border-top:1px solid #e0f0ee;\"\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eBuilt-in Protections\u003c\/td\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eOutput short circuit, overload, battery voltage too high\/too low, over-temperature, AC on inverter output, input voltage ripple too high\u003c\/td\u003e\n\u003c\/tr\u003e\n\n        \u003ctr style=\"background:#f7fdfc;\"\u003e\u003ctd colspan=\"2\" style=\"padding:8px 14px; font-weight:700; color:#008377; border-top:2px solid #c8e6e3;\"\u003eEnvironmental \u0026amp; Physical\u003c\/td\u003e\u003c\/tr\u003e\n        \u003ctr style=\"background:#fff; border-top:1px solid #e0f0ee;\"\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eOperating Temperature Range\u003c\/td\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003e-40°C to +65°C (fan-assisted cooling)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr style=\"background:#f7fdfc; border-top:1px solid #e0f0ee;\"\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eMaximum Relative Humidity\u003c\/td\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003e95% (non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr style=\"background:#fff; border-top:1px solid #e0f0ee;\"\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eMaximum Altitude\u003c\/td\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003e2,000 m\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr style=\"background:#f7fdfc; border-top:1px solid #e0f0ee;\"\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eEnclosure Material \u0026amp; Colour\u003c\/td\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eAluminium, blue RAL 5012\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr style=\"background:#fff; border-top:1px solid #e0f0ee;\"\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eProtection Category\u003c\/td\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eIP20 (indoor use)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr style=\"background:#f7fdfc; border-top:1px solid #e0f0ee;\"\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eDC Battery Connections\u003c\/td\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eFour M8 bolts (2 positive, 2 negative)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr style=\"background:#fff; border-top:1px solid #e0f0ee;\"\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eAC Connections\u003c\/td\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eM6 bolts\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr style=\"background:#f7fdfc; border-top:1px solid #e0f0ee;\"\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003e\u003cstrong\u003e80 kg\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr style=\"background:#fff; border-top:1px solid #e0f0ee;\"\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eDimensions (H × W × D)\u003c\/td\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003e616 × 422 × 357 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\n        \u003ctr style=\"background:#f7fdfc;\"\u003e\u003ctd colspan=\"2\" style=\"padding:8px 14px; font-weight:700; color:#008377; border-top:2px solid #c8e6e3;\"\u003eStandards \u0026amp; Certifications\u003c\/td\u003e\u003c\/tr\u003e\n        \u003ctr style=\"background:#fff; border-top:1px solid #e0f0ee;\"\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eSafety\u003c\/td\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eEN-IEC 60335-1, EN-IEC 60335-2-29, EN-IEC 62109-1\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr style=\"background:#f7fdfc; border-top:1px solid #e0f0ee;\"\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eEMC\u003c\/td\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eEN-IEC 61000-6-2, EN-IEC 61000-6-4\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr style=\"background:#fff; border-top:1px solid #e0f0ee;\"\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eAnti-islanding \/ UPS\u003c\/td\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eSee Victron certificates page\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr style=\"background:#f7fdfc; border-top:1px solid #e0f0ee;\"\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eWarranty\u003c\/td\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003e\n\u003cstrong\u003e5-year\u003c\/strong\u003e standard manufacturer warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- FAQ --\u003e\n  \u003cdiv style=\"margin:0 0 8px;\"\u003e\n    \u003cdiv style=\"background:#008377CF; color:#fff; font-weight:700; font-size:15px; padding:12px 16px; border-radius:6px 6px 0 0;\"\u003eFrequently Asked Questions\u003c\/div\u003e\n\n    \u003cdetails style=\"border:1px solid #c8e6e3; border-top:none; background:#fff;\"\u003e\n      \u003csummary style=\"padding:13px 16px; font-weight:600; cursor:pointer; color:#005c54;\"\u003eWhat is the difference between this MultiPlus and the MultiPlus-II?\u003c\/summary\u003e\n      \u003cdiv style=\"padding:4px 16px 14px; font-size:15px;\"\u003e\n        The \u003cstrong\u003eMultiPlus 48V\/20000VA\u003c\/strong\u003e is Victron's flagship single-inverter unit in the original MultiPlus range — designed specifically for very high power applications. The \u003cstrong\u003eMultiPlus-II\u003c\/strong\u003e is a newer platform available in smaller ratings (up to 15 kVA in the 48 V range at time of writing) that adds built-in ESS functionality and a second AC input. For 20 kW single-unit requirements, the original MultiPlus 20k is the correct product; it already supports ESS via an external AC current sensor. If you are unsure which is right for your project, contact our team.\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails style=\"border:1px solid #c8e6e3; border-top:none; background:#f7fdfc;\"\u003e\n      \u003csummary style=\"padding:13px 16px; font-weight:600; cursor:pointer; color:#005c54;\"\u003eCan this unit be used with lithium batteries?\u003c\/summary\u003e\n      \u003cdiv style=\"padding:4px 16px 14px; font-size:15px;\"\u003e\n        Yes. The MultiPlus 48V\/20000VA is compatible with \u003cstrong\u003eLiFePO₄ (lithium iron phosphate) batteries\u003c\/strong\u003e as well as all common lead-acid types (AGM, GEL, flooded, OPzS). For lithium systems, correct BMS integration is essential — typically using the \u003cstrong\u003eVE.Bus BMS\u003c\/strong\u003e or a compatible third-party BMS that communicates cell-level protection signals to the inverter. Charge voltages and algorithms are fully configurable via VEConfigure software. Always consult a qualified Victron installer before specifying a lithium battery bank for this unit.\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails style=\"border:1px solid #c8e6e3; border-top:none; background:#fff;\"\u003e\n      \u003csummary style=\"padding:13px 16px; font-weight:600; cursor:pointer; color:#005c54;\"\u003eHow does PowerAssist work with a generator or limited grid supply?\u003c\/summary\u003e\n      \u003cdiv style=\"padding:4px 16px 14px; font-size:15px;\"\u003e\n        \u003cstrong\u003ePowerAssist\u003c\/strong\u003e allows the MultiPlus to boost the output of a generator or restricted grid connection with battery power during peak load periods. For example, if your generator can supply 15 kW but your loads momentarily demand 20 kW, the MultiPlus draws the extra 5 kW from the battery bank — then recharges once load drops. The maximum AC input current threshold is set by the installer (up to 100 A), ensuring the grid connection or generator is never overloaded. This is particularly useful for generator-backed off-grid sites, marinas, or temporary supply connections.\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails style=\"border:1px solid #c8e6e3; border-top:none; background:#f7fdfc;\"\u003e\n      \u003csummary style=\"padding:13px 16px; font-weight:600; cursor:pointer; color:#005c54;\"\u003eCan three units be stacked for three-phase operation?\u003c\/summary\u003e\n      \u003cdiv style=\"padding:4px 16px 14px; font-size:15px;\"\u003e\n        Yes. Three MultiPlus 20k units can be configured as a \u003cstrong\u003ethree-phase system\u003c\/strong\u003e delivering up to \u003cstrong\u003e60 kW (3 × 20 kW)\u003c\/strong\u003e of three-phase AC output. All units communicate via VE.Bus, and an external AC transfer switch is required for parallel configurations. This makes the MultiPlus 20k ideal for three-phase commercial premises, large agricultural sites, and industrial off-grid or hybrid installations. Configuration must be carried out by a Victron-trained installer using VEConfigure software.\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails style=\"border:1px solid #c8e6e3; border-top:none; background:#fff;\"\u003e\n      \u003csummary style=\"padding:13px 16px; font-weight:600; cursor:pointer; color:#005c54;\"\u003eWhat monitoring equipment do I need?\u003c\/summary\u003e\n      \u003cdiv style=\"padding:4px 16px 14px; font-size:15px;\"\u003e\n        The MultiPlus connects to monitoring hardware via \u003cstrong\u003eVE.Bus\u003c\/strong\u003e. At a minimum, an \u003cstrong\u003eInterface MK3-USB\u003c\/strong\u003e (sold separately) is needed for initial configuration with VEConfigure software. For live monitoring and remote access, a \u003cstrong\u003eCerbo GX\u003c\/strong\u003e or \u003cstrong\u003eEkrano GX\u003c\/strong\u003e is required — this connects the system to the internet and the free \u003cstrong\u003eVRM portal\u003c\/strong\u003e. The \u003cstrong\u003eVRM app\u003c\/strong\u003e (iOS and Android) allows remote monitoring, alarm notifications, and settings changes from anywhere. For on-site local display without a GX device, a \u003cstrong\u003eDigital Multi Control Panel\u003c\/strong\u003e provides basic status and PowerControl\/PowerAssist adjustment.\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails style=\"border:1px solid #c8e6e3; border-top:none; background:#f7fdfc; border-radius:0 0 6px 6px;\"\u003e\n      \u003csummary style=\"padding:13px 16px; font-weight:600; cursor:pointer; color:#005c54;\"\u003eIs the MultiPlus 48V\/20000VA suitable for solar hybrid (ESS) installations?\u003c\/summary\u003e\n      \u003cdiv style=\"padding:4px 16px 14px; font-size:15px;\"\u003e\n        Yes. When used with an optional \u003cstrong\u003eexternal 100 A AC current sensor\u003c\/strong\u003e and a Cerbo GX or Ekrano GX, the MultiPlus 20k can operate as a full \u003cstrong\u003eEnergy Storage System (ESS)\u003c\/strong\u003e — storing solar surplus, maximising self-consumption, and preventing unwanted grid export. It is compatible with Victron MPPT solar charge controllers and with AC-coupled grid-tie inverters (subject to the Factor 1.0 rule). In the event of a grid outage, it automatically islands the critical loads, allowing connected solar generation to continue supplying power to the property.\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Victron Energy","offers":[{"title":"Default Title","offer_id":62788237951325,"sku":"PMC483200400","price":2300.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/VictronMultiPlus48V20000VA250AInverterChargerPMC483200400.png?v=1764851534","url":"https:\/\/qualityheating.co.uk\/products\/victron-multiplus-48v-20000va-250a-inverter-charger-high-power-off-grid-hybrid-solar-solution","provider":"AIZO Quality Heating","version":"1.0","type":"link"}