Li-ion 3.7V 18650 2600mAh battery

Specifications: 1) Capacity: a) Nominal: 2,600mAh 2) Dimensions: a) Diameter: 18+/-0.2mm b) Height: 65+/-0.5mm3) Weight (typical): approx. 48g4) Nominal voltage: average 3.7V5) Cut-off voltage: 3.0V 6) Internal impedance: less or equal to 80 milliohm 7) Cycle performance: 90% of initial capacity at 400 cycles8) Cycle life: > 500 cycles 9) Charge: current = 0.5C mA, voltage = 4.2V, end current = 0.01mA10) Discharge: current = 0.5C mA, end voltage = 3.0V 11) Max. charging current: 1C mA 12) Max. discharging current 1C mA (for continuous discharge)