KENTLI one pairs 1.5v 1100mAh AAA rechargeable li-ion lithium battery + 1.5V AA / AAA Lithium ion polymer Intelligence battery fast charger Quick charging 100% Original kentli battery and charger . Attentions: this charger is Only for kentli aaa The world's first 1.5V universal rechargerable lithium battery available 4 channels with independent management circuits,single battery can be charge Application methods:2AA batteries/2AAA batteries/1AA battery and 1AAA battery/1AA battery Note : the product seller name is KENTLI , please attantion it when you order the item,