12V 4A Lead Acid Battery Charger Model_DE9071 The two 200Ah batteries provide

The two 200Ah batteries provide 5120Wh worth of backup power with their efficiency maximized by the 3000W pure sine wave inverter

Milwaukee Cordless Vacuums:

4   ExpertPower 48V 6

The battery can be charged with the original DJI Mavic 2 Pro battery charger

49-24-0160

12V 4A Lead Acid Battery Charger Model_DE9071 The two 200Ah batteries provideThe ExpertPower 4 Amp Smart Charger is designed to fully charge a battery and maintain it at proper storage voltage without the damaging effects caused by trickle chargers. This charger automatically switches from full charge to float charging mode. Maintenance Plus Keeps the battery fully charged without overcharging indefinitely. Compatibility Perfect for charging 12 volt 20 ampere hours and above lead acid, flooded, or sealed maintenance free VRLA