... Description:Rechargeable Li-ion Cylindrical Battery Voltage: 7.4V Capacity: 2200~2600mAh Li-ion cobalt oxide series battery & battery packsModel: ICR18650Capacity: 2200mAh Norminal Voltage ... months )Cycle Life : ≥ 300 TimesScope:This kind of battery is suitable for notebook, interphone, portable DVD, instruments and meters ... , electric tools, digital cameras, etc. SELL Li-ion battery pack 7.4V