18650 2600mAh 3.7V Li-ion Rechargeable Battery for LED Torch/flashlight/Digital Camera Battery Type: Li-ion Rechargeable Battery Brand: Melasta Model: ICR18650 Voltage: 3.7V Storage Voltage: 3.7v - 3.9V Charging Cut-off Voltage: 4.2V Discharge Cut-off Voltage: 3.0V Capacity: 2600mAh Size: 18.2±0.3 * 70.2±0.3mm Protected: YES Battery top: Tip top Max Constant Charging Current: 2600mA (1C) Max Constant Discharging Current: 3900mA (1.5C) Recharging cycles: 300 times @ 0.5C charge & discharge current, 80% of initial capacity Applications: Flashlight, headlamp, lantern, LED light, dive light, green laser, fan, headlight, torch, laser pointer, gun laser, weapon light, vape, mod, mechanical box mod.