Xtar VC4SL Battery Charger for Li-ion Ni-Mh Batteries- Orbtronic.com
Hohm Battery Charger - 1 Slot Universal Battery Charger for 18650, 266 – Battery World
Amazon.com: XTAR 21700 Battery Charger VC2L 18650 Charger 2 Slot 2022 Version with LCD Display Max 2A Rechargeable Liion and AA Charger Not Included Any Batteries(VC2L) : Electronics
Xtar X2 Battery Charger for 18650, 20700, or 21700 batteries
Amazon.com: EdisonBright Fenix are-A2 Smart Battery Charger for 21700/18650/16340 BBX5 Battery Carry case : Electronics