The HS03 HS04 Laptop Battery is a black Li-Ion battery with a capacity of 41WH, designed specifically for HP laptops in the 240 G4, 245 G4, 250 G4, 255 G4, 340 G3 series. It is compatible with part numbers 807956-001, 807957-001, and 807611-831, providing a reliable power source for your device. This high-quality battery, branded as 2-POWERED, is a standard AC unit with 4 battery cells and a voltage of 14.8V, making it an essential accessory for your laptop to ensure long-lasting performance. NEW SEALED BOX OPENED FOR INSPECTION ONLY. REF:CD_18