Powerextra 21.6V Dyson Replament Li-ion Battery Pack for Dyson Dc16 Root 6 Vacuum Cleaner Dyson Handheld Vacuum Cleaner DC16 Root 6 DC16 Issey Miyake Exclusive DC16 Animal DC 16 Pink 12097 912433-01 912433-03 912433-04 BP01 (Black) Li-ion battery, 1.5Ah Capacity, 21.6V,made with high quality battery cells Fully compatible with your power tools, WILL NOT VOID your manufacturer warranty Integrated microchip prevents overcharging & lengthens battery life 100% Compatible with original manufacturer equipments and chargers 30 Days Money Back 12 Months Limited Guarantee!