Amazon.com: 3.7V Li-ion 18650 Rechargeable Battery, 2200mAh Full Capacity 18650 Rechargeable Batteries Lithium ion Battery Durable Battery, Used for LED Flashlight, Electronic Devices etc(Flat Head , 2 Pack) : Health & Household
Amazon.com: 18650 Battery Charger, Suitable for li-ion Battery 18650 20700 10440 14500 18500 16340 17500 Battery Charger, USB Single Slot Battery Rechargeable Charger (Battery not Included) : Electronics
Amazon.com: Rechargeable 18650 3.7V High Drain Battery Flat Top,30 Amp Discharge Current Batteries 2500mAh (4 Pack) : Health & Household
Amazon.com: 18650 Battery Charger, 2 Bay Smart Universal USB Battery Charger for 3.7V Rechargeable18650,26650, 18500, 17335, Ni-MH Ni-Cd A AA AAA IMR Batteries,Power Bank (Batteries not Including) : Electronics
Amazon.com: CBJJ 18650 Battery with Charger, 3.7V 18650 Battery 9900mAh Button Top Battery with 2 Slots Charger (2 Pcs Batteries) : Sports & Outdoors
Amazon.com: WISSBLUE 18650 Battery Charger, LCD Screen Can Display Capacity, 2a Fast 18650 Charger, Suitable for 3.7v Lithium Battery and 1.2v Ni-Mh/Ni-Cd AA AAA Battery : Everything Else