4 pcs Rechargeable Battery Lithium Battery 3.7V 1800mAh ICR Large Capacity Long Lasting Button Top Rechargeable Battery Li-ion Batteries for LED Flashlight Lamp, 65 * 18mm, Blue | Algopix
UltraFire 1800mAh 3.7V 18650 Li-ion Rechargeable Battery Without Prote