Compatible model NO: Shark UV200CCO Shark WV200 Shark WV201,WV201BLBRN, WV201GDBRN, WV201GNBRN, WV201PBK, WV201PKBRN, WV201PMB, WV201RD, WV201RGBRN, Shark WV205 Shark WV220 Shark WV221 Compatible Battery Part Number: Shark XFBT200 Specifications: Voltage: 10.8V Rate: 27.00Wh Type: Li-ion Capacity: 2600mAh Net Weight: 178.7g / 6.30oz Size: 143.12 x 45.50 x 38.40mm Tips Before Purchase Please check the compatible model and the original battery number before purchasing. Reasons the Shark Vacuum Won't Charge 1.Clean the Charger and Battery Sometimes a poor connection between the battery contacts is the reason the vacuum won't charge. The contacts on both the battery and the charger both need to be clear. Excessive dirt can cover up too much of the contacts and prevent them from connecting enough to carry the power through. Unplug the charger before you begin wiping it. Use a dry microfiber cloth like the AmazonBasics Microfiber Cleaning Cloth to clean the areas. A regular cotton towel might leave behind too much lint. Microfiber cloths are less messy and pick up more dust than regular towels can. Don't use a damp cloth for any reason, as it can damage the electronic parts. If water droplets are left behind, they can contribute to the bad connection, so it's best just to use a dry cloth. Wipe off the contact areas on both the vacuum and the vacuum charger. Be sure you wipe down the contacts and the surrounding areas. Check any crevices where dust can build up and make sure those are all clean. Once you finish wiping off these areas, plug in the charger and place the vacuum on it. If the light comes on to show that it's charging, then the dirt buildup was the issue. If the vacuum still isn't charging, there might be some other kind of malfunction that will require repairing or replacing. Be sure to wipe off the contact areas frequently so you can preve