Solar Generator Extra Batteries

Expandable Capacity DELTA 2 expands up to 2048Wh with smart extra battery, keeping your home powered on in any emergency. Convenient Recharging DE...

Expandable capacity Increase the capacity of DELTA 2, DELTA Max, and DELTA 2 Max with an extra 2016Wh. Triple power & save up to 30% on costs ...

4.5 kWh Lithium battery bank made by CATL (they make Tesla’s EV car batteries). What's Included: Expansion Battery Pack (EXB-4500) Cable & Con...