The itel Power Tank 1000 (Model: IESS-1K20N) is an all-in-one Energy Storage System (ESS) that combines a 2,000Wh (2kWh) LiFePO4 battery, a 1,000W Pure Sine Wave inverter, and a 1,200W MPPT solar charge controller into a single, portable 19kg unit. Manufactured by itel Energy, it serves as a silent, plug-and-play alternative to gasoline generators for homes and small offices in Nigeria.