XTAR Mini USB Charger for 18650 Batteries - SeaLife Cameras
Amazon.com: Universal Smart Battery Charger For AA AAA C D 9V Li-on Ni-MH Ni-Cd Rechargeable Household Batteries - Plus Two USB Charger Cell Ports for Smartphones and Tablets (Mark III) : Electronics
Li ion 18650 Battery 3.7V Li-ion 1200mAh 1500mAh 1800mAh 4200mAh 4500mAh 4800mAh 5000mAh Convex Plus Batteries Accumulator For LED Flashlight Battery for Radio Power Elements Electric - AliExpress
UltraLast Lithium Ion 18650 Charger and Battery Combo Pack - UL1865K-26 at Batteries Plus