Features: 【Battery Details】Battery Type: Li-ion || Capacity: 4000mAh || Voltage: 21.6Volt || Package Include: 1 X V6 Replacement Battery & 1 X User Manual 【Applicable Models】Compatible with V6 DC59 DC58 DC61 DC72 DC74 DC62 Animal SV03 SV04 SV05 SV06 SV07 SV09 Handheld Vacuum tools and work for original V6 battery charger. Please see more models in product description. 【Perfect Adaptation】Designed for original Vacuum model and the same function and size as original V6 battery. Easy install and it fits perfectly. 4000mAh high capacity lithium battery without memory effect, can be charged as needed without losing capacity. 【Safe & Reliable】Our quality control department will check every item before shipping them out. And we sell well on foreign markets.