Name: 14550Lithium battery,rechargeable flashlight 3.6V,880MAH Overcharge and over discharge protection, over-charging voltage 4.2V, over discharge voltage: 2.75V,Battery cycle ... or so.Nominal Voltage: 3.6VNominal Capacity: 900mAhNet Weight: 21.5 g*Please use high quality rechargeable lithium battery charger dedicated* Diameter than ...