The Tesla Powerwall 2 is a self-contained lithium-ion battery with 14kWh of capacity. The built-in inverter allows it to be AC coupled with any solar system old or new. The optioned Backup Gateway allows the battery to provide power during a blackout. The units can also be stacked to allow further capacity.
This premium range combines high-quality components aimed at achieving the longest lifespan possible. These combinations are designed to suit heavy loads and last for long periods of time with very low maintenance.