Model: NCR18650B Brand: Panasonic Cycle life: 1000 times Nominal voltage: 3.6V Nominal capacity: 3400mAh Charge voltage: 4.2V End voltage: 2.5V Top: Flat Max. continuous discharge current: 4.875A Pulse current: 8A Size: 18x65mm Weight: 45.5g Impedance: =40mO Protection Circuit Board: No Made in Japan Compatible for: flashlight, e-cigarette, LED lamp, mine lamp, power bank, UPS, laptop, portable device, e-bike, medical, solar, military devices etc.