- Compatible with Device Models: !!!Only compatible with 7.2V of the following models, not 10.8V. Shark WV200 WV201 Series Models has two voltage options for batteries: 7.2V and 10.8V. Be sure to check the voltage of your existing battery before purchasing. WV200 WV201 WV205 WV220 WV200UK Ion W1 Cord - Battery Models (Part No.): XFBT200 (Only for 7.2V) XFBT210 (Only for 7.2V - Battery Specification: Type: Li-ion Voltage: 7.2V (Not Fit for 10.8V, Different voltages cannot be used interchangeably.) Capacity: 2500mAh Dimension: 143.10 x 45.20 x 38.40mm Category: Vacuum Important Tips: >>1?Confirm that your battery voltage is 7.2V before purchasing. The Shark WV200 WV201 series devices come in two forms of batteries: 7.2V and 10.8V. The device model cannot be distinguished, and you must check the voltage display on the battery you are using. The appearance of 7.2V and 10.8V batteries is also similar, and you can distinguish them based on the following points: The 10.8V battery has a metal strip on the side, while the 7.2V battery does not have one. As shown in Picture 2. >> 2?Please Make Sure To Fully Charge The New Battery Before Using It. Because to ensure transportation safety, the initial battery power level is only 20-30%. 20-30% of the battery is insufficient to power the device. May require 3 - 5 Charge/Recharge cycles to reach maximum luminesce life.