Description
The Marstek Venus E 3.0 is the latest generation of Marstek’s flagship plug-in home battery, delivering 5.12kWh of LiFePO4 storage and 2,500W continuous output (3,500W peak). It handles the full load of a modern home during a power cut, with sub-15ms backup switching that keeps computers and sensitive appliances running without interruption. Rated for 6,000 cycles at 90% depth of discharge, it retains 80% capacity after over 15 years. The AC-coupling design means it connects to any existing solar or grid-tied system — no rewiring, no inverter replacement. Compatible with V1 and V2 battery modules for capacity expansion to 12.72kWh. Backed by a 10-year manufacturer warranty. IP65 rated. Currently sold out at all UK retailers.
- Capacity: 5.12kWh | Expandable to 12.72kWh (V1/V2 compatible)
- Output: 2,500W continuous / 3,500W peak (10 sec)
- EPS backup switchover: <15ms | IP65
- LiFePO4 | 6,000 cycles at 90% DoD | 15+ year design life
- Operating temp: -45°C to +70°C
- Dimensions: 620 × 480 × 160mm | Weight: 63kg
- Wi-Fi + Bluetooth + LAN | CE certified | 10-year warranty

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