Be prepared with an extra battery for the Rechargeable Tire Inflator by Sharper Image (Item No. 206974). With this extra battery on hand, you’ll always be charged up and ready to inflate your car tires, bicycle tires, pool toys, sports equipment and more. Whether your original battery is lost or still holding its charge, it’s great to have this extra battery for the Cordless Auto Stop Tire Inflator by Sharper Image.