Amazon.com: Blomiky 2 Pack 3.7V USB Charger Cable with SM-2P Plug Connector for Mini RC Amphibious Stunt Car Boat Trucks 3.7V Li-ion and Li-Po Battery / 3.7V USB 2 : Toys &
Kraken Sports 18650 Lithium-Ion Battery with Micro-USB B-1834USB
Amazon.com: VICMILE 3.7V 800mah Li-ion Battery 2Pack with USB Chargers SM-2P Plug RC Rechargeable Battery Compatible with Remote Control Cars E35 DE38 DE40 DE50 DE55 TB202 TM141 Toy Cars 2Pack : Toys
Amazon.com: PKCELL ICR10440 Lithium Ion Rechargeable Battery 3.7V 350mAh with USB Charger (2pc Button top +Charger)(They are not AA Size Battery) : Health & Household
Tenergy Charger for 3.7V DC Li-ion Battery - Tenergy
5V 2A Type-C USB 3.7V 18650 Lithium Li-ion Battery Charger Module DIY Power Bank | eBay