LG Chem RESU 6.5 LV Lithium BatteryThe LG RESU 6.5 is an Energy Storage System with 6.5kWhr of lithium ion cells rated to 6000 cycles or more. The unit is capable of putting out 4.6kW of peak power or 4.2kW continuously. This system can be expanded to up to 16.5kWhr for larger off-grid and commercial applications. The battery has 5.52kWhr of usable capacity with a round trip efficiency of greater than 95%. With an extremely high energy density and stylish enclosure LG will also compete on aesthetics with other products such as Tesla's Powerwall.