16384Wh Huge Capacity - Expand up to 7 x B2000 Expansion Batteries (Each 2048Wh) Max. AC1800W Fast Charging - From 0% To 80% in 1.5 Hours 2000W UPS < 10ms - Offer Power Instantly When Blackouts Occur PV1000W + AC1500W Dual Recharge - Charge to 80% Just in 1 Hour Enduring LiFePO4 Battery - 3,500 + Life Cycles up to 10 Years Lifespan 6 Charging Ways - AC/Solar/AC+Solar/Car/Generator/AC Adapter