PCB board and high quality.
No "memory" effect, and long working life.
Environmental design, over current protection, high temperature protection, over charge and discharge protection.
Great batteries for your flashlight or other devices.
Type: Rechargeable lithium battery
Rechargeable times: Up to 500 times
Charge time: 2-3hrs
Size: 5.1 3 1.5cm / 2 1.2 0.6in
Weight: 40g / 1.4oz
2 * Rechargeable Battery