Amazon.com: Blomiky 2 Pack 3.7V 500mAh Li-ion Rechargeable Battery SM 2P Plug with USB Charger Cable for Double Sided RC Stunt Car Small RC Boat Tumbling Amphibious RC Car RC Truck and
Amazon.com: EBL Universal 18650 Battery Charger for 3.7V Lithium ion Rechargeable Batteries 26650 22650 18650 18490 18350 17670 17500 16340 (RCR123) 14500 and 1.2V Ni-MH Ni-CD Rechargeable C AA AAA Batteries : Electronics
Watson Dual Rapid Charger for 3.7V CR123A and CR2 ADC-CR123A-II
Streamlight - Battery Chargers; Battery Size Compatibility: 3.7V; Battery Chemistry Compatibility: Lithium-Ion; Charging Time (Hours): 3.50; Charging Time (Minutes): 210; Maximum Number of Batteries: 2; Voltage: 3.70; Includes: 120V AC Adapter; USB
Micro USB 3.7V 18650 Lithium Li-ion Battery Charger Module Boost Step up 5v 12v | eBay
Amazon.com: Blomiky 2 Pack 3.7V USB Charger Cable with SM-2P Plug Connector for Small RC Amphibious Stunt RC Car Boat Trucks 3.7V Li-ion and Li-Polymer Battery 3.7V USB 2 : Toys &
Lithium-Ion Battery Charger Circuit using MCP73831
Tenergy Charger for 3.7V DC Li-ion Battery - Tenergy