Description
The Marstek Venus A is an all-in-one balcony and home battery that integrates four independent MPPT solar inputs directly into the unit, making it the only plug-in battery that can also serve as the primary solar inverter for a balcony solar system. Starting at 2.12kWh and expandable to 12.72kWh through a modular master-slave design, the Venus A adapts as your energy needs grow. With 1.2kW bidirectional output and 1.2kW backup power, it intelligently manages grid import, solar generation, and home consumption. LiFePO4 chemistry guarantees 6,000+ cycles and a 10-year manufacturer warranty. AI-based energy optimisation and smart meter integration enable dynamic time-of-use tariff management. IP65 rated for outdoor or indoor installation. Currently sold out at all UK retailers.
- Capacity: 2.12kWh base | Expandable to 12.72kWh
- Output: 1,200W bidirectional AC | Backup: 1,200W
- Solar: 4 × MPPT, 1,400W max, 16–60V, 20A/channel
- EPS backup switchover: <15ms | IP65
- Nominal voltage: 51.2V | Weight: 41kg
- Dimensions: 400 × 168 × 285mm
- Wi-Fi + Bluetooth + RS-485 | 10-year warranty

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