7.2V/7.4V LI-ION NI-CD NI-MH brand new replaceable and rechargeable walkie talkie battery for KENWOOD TK-3100 TK-3101 TK-278 etc., which can made with 900mAh 1100mAh 1300mAh 1500mAh 1800mAh 2100mAh capacity, this two way radio battery is the cost-effective one which can fit in lots of kenwood models and replace KNB 15 and other batteries.