Modular 5 kWh blocks that stack from 10 to 20 kWh as needs grow.
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| Dimensions | 520 × 300 × 1,320 mm (4-module tower) |
|---|---|
| Rated Power | 8 kW continuous |
| Capacity | 10–20 kWh usable |
| Operating Range | −10 °C to +50 °C |
| Weight | 48 kg per module |
| Certification | IEC 62619, UN 38.3 transport |
| Warranty | 10 years |
The HV-E20 grows with the household: 5 kWh LFP modules stack into a tower of two, three or four, connected by keyed plugs that cannot be crossed. Start with the capacity today’s bills justify and add a module when the heat pump or the second EV arrives.
Each module carries its own management board, and the stack controller balances across modules of different ages — so extension years later remains a supported, warranted operation rather than a workaround.
A 10 kWh LFP floor-standing battery for self-consumption and backup.
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