18650 Battery Charger 4 Bay Smart Universal Charger for 3.7V Rechargeable Lithium Li ion Batteries Compatible 18650 26650 21700 10400 14500 16340 16650 18500 Battery Charger (Only AC Charger)
USB Battery Charger 1 2 slot Universal Smart Charging for Rechargeable Li ion 26650/18650/17670/14500/10440/16340 battery 3.7v|Battery Storage Boxes| - AliExpress
Amazon.com: DULEX 3.7V Lithium ion Rechargeable Batteries Charger for LED Flashlights, Toys, Doorbells, Handheld Mini Fan, Headlamps and Other Household Devices. : Electronics