For Dyson V8 Series 21.6V Cordless Vacuum Cleaner Battery Sweeper Spare Battery, Capacity: 4000mAh

1. Using A-class fireproof material, safe and reliable 2. Using high rate power core manufacturing, explosion-proof and safe 3. Built-in intelligent protection chip, protection board, to prevent overcharge, over temperature, short circuit, etc., use more peace of mind 4. With LED power display 5. High compatibility, easy to install and use 6. Applicable models: compatible with Dyson V8 series, Absolute, Fluffy, Animal, Extra, Mattress, Trigger, Motorhead, Car+boat, Sv10, etc. 7. Voltage: 21.6V 8. Battery capacity: 2200/2500/3000/3500/4000mAh