This 10.8V 3000mAh XFBT200 replacement battery is designed for Shark handheld vacuum cleaners. It matches the original battery interface and fits Shark vacuums models: WV200, WV201, WV205, WV220, WV200UK, Ion W1 Cord, and UV200CCO. Built-in safety protection ensures stable operation. Easy installation and compatible with original chargers. 【Battery Specifications】 Category: Vacuum Type: Li-ion Voltage: 10.8V (Not Fit for 7.2V, Different number of battery cells) Capacity: 3000mAh Dimension: 140 x 42 x 35mm Battery Condition: Brand New Fits Models: WV200, WV201, WV205, WV220, WV200UK, Ion W1 Cord, and UV200CCO Replacement Part Numbers: XFBT200, XFBT200J, XFBT203 Does NOT Fit: WV210/QV201 (7.4V, XFBT210), IONFlex/IF/IR (21.6V, XBAT200) Important Tips: Batteries for the corresponding Shark vacuums are available in two voltage variants: 7.2V and 10.8V. The two versions look very similar externally. Please check the label on your original battery to confirm the voltage before purchase: 1. Locate the printed voltage marking on your battery label. 2. This replacement battery is rated at 10.8V. It will only work properly if your original battery is also marked 10.8V. Please verify the voltage information clearly to avoid ordering the incorrect item.