2-slot Li-ion charger + 2x18650 | GP Batteries 2-spors USB-lader med to Li-ion-batterier, 2 stk. Li-ion-celler, 4.2V, 1A | Elfa Distrelec Norge
How to Build a 18650 Lithium Battery Charger and Booster Module
Adafruit Universal USB / DC / Solar Lithium Ion/Polymer charger [bq24074] : ID 4755 : $14.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Amazon.com: 14.6V 60A High Power LifePO4 Battery Charger Smart Charger&Maintainer with 0-15V Adjustable Current and Voltage for 12V LiFePO4 Lithium-Iron Deep Cycle Rechargeable Batteries&Battery Desulfator(60A) : Automotive
18650 Battery Chargers - Best Charging Solutions for Lithium-Ion Batteries