The 21.6V V7 battery Compatible for has the same appearance, material and internal structure as the original battery. Our V7 Compatible battery has passed CE, FCC, RoHS, etc. certifications. There is no safety problem and can be used with confidence Compatible with V7 Motorhead, V7 Fluffy,V7 Animal, V7 Animal Pro+, V7 Trigger, V7 Trigger with HEPA, V7 Car+boat, V7 Absolute.As good as original batteries and fit original chargers.This Compatible battery Only fit for V7, not for V6 V8 V10 V11 DC31. Upgraded 4.6Ah battery real capacity has a higher capacity from others 3000mAh, not only improved the capacity but also in the performance, has faster charging time and longer running time.Can be charged or discharged as needed without loss of capacity,provides super suction and more runtime for your vacuum. Our V7 original battery for can provide short-circuit protection, over-charge protection, over-discharge protection, over-temperature protection, over-current protection and over-voltage protection. [Tip: If the V7 trigger battery is just used up, the battery will heat up. This is normal. Please charge it after cooling down] The use of V7 filters can prevent tiny pollutant particles from spreading in the air, making your environment cleaner and fresher. If you encounter any problems before purchase or during use of our battery, please feel free to contact us