This battery from LG Chem is a Residential Energy Storage Unit (RESU) featuring a 400V lithium-ion battery with integrated battery management system.

The RESU7H is designed to tie in with a grid connect solar system to increase self-consumption and savings. 7kWh is enough to offset the late afternoon/evening energy use of an average household. Smaller households could cover evening and early morning electricity needs.

This battery features 3500 watts continuous power and DC round-trip efficiency of 95% while ensuring 80% of capacity retention after 10 years, and consequently comes with a 10-year warranty.

Whilst many buyers are early adopters and technology lovers, some are already installing battery systems because of the financial benefits.

Specifications:

• Nominal capacity: 9.8kWh
• Usable capacity: 9.3kWh
• Peak power output (10 sec): 7kW
• Max charge/discharge power: 5kW
• Dimensions (W/H/D): 744mm/907mm/205.7mm
• Weight: 98-101kg