The FranklinWH aPower 2 is an AC coupled home battery with 15 kWh of usable energy per unit. It uses lithium iron phosphate cells and delivers 10 kW of continuous power. FranklinWH backs it with a 15 year or 60 MWh throughput warranty.
Energy Capacity and Power
FranklinWH rates the aPower 2 at 15 kWh of usable AC energy per unit. The system scales up to 225 kWh using 15 units per aGate controller.
The battery delivers a maximum of 10 kW continuous power and a 15 kW peak for 10 seconds. It accepts a maximum charge power of 8 kW and uses lithium iron phosphate cell chemistry.
Efficiency and Warranty
FranklinWH lists a round trip efficiency of 90 percent for the aPower 2 from grid to battery to load. The battery operates at a nominal AC voltage of 120 and 240 volts.
FranklinWH warrants the aPower 2 for 15 years or 60 MWh of aggregate throughput, whichever comes first. The system is AC coupled, which lets it pair with existing solar arrays.