ON THE WAY2x2000mAh TRC16340 3.7V Protected CR123A Rechargeable White Li-ion Battery for LED Flashlight Torch/Photo Camera/Laser Pointer Etc High Energy Density CR123A 16340 Li-ion Lithium 3.6v 2000mAh Rechargeable Battery Can replace for CR123, CR17345, K123A, VL123A, DL123A, 5018LC, SF123A and EL123AP) The 16340 battery up to 1000 cycles, without memory effect 16340 battery for laser pointer and flashlight and so on electronic devices