The capacity of the battery is generally expressed by AH 2000w battery does not have this statement, 2000Ah fifth battery has Philaipu, 555, Panasonic battery, Nanfu, millet battery, Shuanglu battery, three circle battery, double the amount, Litlang and other brands are disposable batteries, but most of them are rechargeable batteries, Panasonic, Alep and Nanfu are the more well-known brands