Doublepow 1.5V Constant‑Voltage Rechargeable AA AAA Battery Kit, Fast‑Charge High‑Capacity Lithium‑Ion Batteries, for Game Controllers, Toys, Remote Controls, CCD Cameras, Mice & Keyboards, Blood‑Pres

1. It supports charging and storage at the same time without taking extra space, keeping your home neat and orderly. When closed, it acts as a dust‑proof cover to shield charging ports; when opened, it provides storage space for batteries to be charged. 2. The 8‑slot charger adopts intelligent power distribution technology to prevent overload for higher safety. Equipped with overload‑protection capacitor components, it can effectively avoid circuit short‑circuit risks brought by over‑voltage. 3. New‑generation lithium‑ion battery equipped with built‑in chip. The upgraded intelligent control chip optimizes overall performance in all dimensions. 4. Specially developed for most Doublepow AA Ni‑MH and 1.5V lithium‑ion batteries, delivering long‑lasting battery life. Suitable for multiple devices such as smart locks, remote controls and toys.