Battery material: lithium ion battery

Battery brand: Samsung

Battery type: 18650

Battery Specification: diameter phi 18* height 65 (mm)

Battery capacity: 2600MAH

Internal resistance: less than 45 ohm

Charge and discharge times: 1000 times

Battery voltage: the standard voltage is 3.7V, the voltage after power is 4.2V, the voltage is 2.75V when the power is finished