Bleiou 4pcs 1.5v 2800mWh Li-polymer lithium rechargeable AA battery + 4 slots smart Charger with LED flashlight fuction not only a charger but also a flashlight 4 channels with independent management circuits,single battery can be charge The world's first 1.5V universal rechargerable lithium battery available Nominal Capacity:2800mWh USB power input ,universal around the world