The built-in battery has a 21 amp hour capacity and is charged using the supplied solar panel, your vehicle, portable solar powerthe 12-volt battery charging outlet on your generator, or an existing AC wall outlet. You can inter-connect a larger battery or add another solar panel if you want more available power for remote uses.
Charge with the sun as you use the power unit or use the power unit separately
Front Panel Detail
The unit's front panel has dual 3-prong AC receptacles with ON/OFF switch, a 12 volt socket, digital display indicates the unit's output power in watts and battery charge status (in percent full) and LEDportable solar power charge indicator for when being charged with the AC wall plug or a solar panel. The green LED blinks when being charged and turns to steady green when charge is complete and the battery is full. The unit also has over-charge and under-charge protective features.
