BETTER PERFORMANCE: The upgraded 21.6 voltage 2000mAh capacity lithium-ion battery provides longer running time and stronger battery life than . It has no memory effect which can be or discharged anytime without any loss of capacity. COMPATIBLE WITH ALL V8 SERIES PERFECTLY: as updated battery replacement for V8, it completely fits for all V8 system parts and chargers, such as V8 animal, , absolute, plus, sv10, hand-held and cordless stick series, etc. protects the battery from overcharging, overdischarging, overvoltage, overheating, short circuit, etc., safe and stable in use Helps clean the vacuum cleaner and makes your lifestyle healthier Compatible Models: For V8 Animal, V8 , V8 Animal Cord-Free Vacuum V8 Animal Cordless (HEPA)Vacuum Cleaner Stick Vacuum V8 Animal Exclusive vacuum For V8 Vacuum (EXTRA,,PLUS) For V8 Absolute Cordless Stick Vacuum (214730-01,215681) V8 Absolute Cord-Free Vacuum For SV10 Replacement battery For V8 Absolute Stick Vacuum Pet Hair Vacuum Cleaner V8 ()