LiitoKala Lii 50A 3.7V 26650 5000mah Lithium Battery 20A Put $ 8.67 Specification: Name: 26650 power lithium battery Specifications: Diameter 26.6mm, length 65mm Average voltage: 3.6v Full voltage: 4.2v Discharge cut-off voltage: 2.75v Nominal capacity: 5000mah Maximum continuous discharge current: 20a (4c) Internal resistance: Measured 15m, non-professional equipment, for reference only Packing list: Lithium battery*1