18650 Charger 3.7V Rechargeable 18650 Battery Charger 4 Bay Li ion for Rechargeable Lithium Batteries 26650 21700 18650 10400 14500 16340 16650 18500 (Only USB Charger)
Amazon.com: 26650 Rechargeable Battery, 6800mah, high Capacity, 3.7v 26650 Rechargeable Battery,Suitable for Electronic Devices Such as Strong Light flashlights.(2 PCS) : Tools & Home Improvement
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