Description
Complete AC battery storage for existing and new homes
MARSTEK VENUS E 3.0 combines a 5.12 kWh LFP battery, bidirectional AC inverter, BMS, smart controls and backup output in one enclosure. No separate battery inverter is needed.
AC coupling is ideal for retrofitting storage to existing solar: the original PV inverter can remain while VENUS E 3.0 manages charging and later use according to household demand, time or tariff.
Benefits
- use more solar energy in the evening and at night
- charge during low-cost periods and discharge when electricity is expensive
- fast backup for selected circuits
- expand with additional units as demand grows
- open integration with smart energy management
Key specifications
- 5.12 kWh LiFePO4, 51.2 V / 100 Ah
- integrated 2.5 kW bidirectional AC inverter
- 800 W / 2.5 kW grid output
- 2.5 kVA backup, 3.5 kVA peak for 10 seconds
- over 6,000 cycles, 90% depth of discharge
- over 93.5% battery-to-AC efficiency, IP65
- Wi-Fi, RS485 and open EMS API
- up to three units / 15.36 kWh in a single-phase system
- 480 × 153 × 624 mm, 60 kg
Backup, parallel and multi-phase designs require a qualified electrician. The unit is not a direct DC solar inverter for PV panels.
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