1* Micro USB 5V Lithium Li-ion 18650 Battery Charger Module Board DIY Power Bank - Walmart.com
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
Nitecore LC10 Magnetic USB Battery Charger and Powerbank - 18650 Battery Store
Amazon.com: Speedy 18650 Battery Charger XTAR PB2C USB Output Function, Portable Li-ion 18650 Battery Charger Box w/USB Port and LED Display for all 18650 Batteries(Batteries NOT included) : Electronics