Keep your devices powered with the all-new Xiaomi Rainbow 5 Battery Pack. This convenient battery pack consists of 10 AA-sized batteries ideal for keeping a wide range of devices powered such as wall clocks, TV remotes, wireless keyboards and mice or wireless video game controllers. Made of high-quality Alkaline Zinc-manganese Dioxide Cells, these batteries offer you reliable and stable performance. For protection, it features four-fold leak-proof technology, using various materials including