Hold the power of air in the palm of your hands. This isn't your ordinary air pump. The Coolado ePump is the perfect gadget for adventure lovers, travelers, and avid beachgoers. This air pump is a compact, fast, and reliable air pump that can be brought along for any occasion. Using a lithium battery with 4000 mAh capacity, the ePump is the first air pump on the market lasting for a charge of 1 hour and 30 minutes, working continuously. Just charging it once will allow you to inflate or deflate an airbed up to 45 times!