Amazon.com: Gens ace 11.1V 2200mAh 3S 25C LiPo Battery Pack with Deans Plug for RC Heli Airplane Car Boat Truck : Toys & Games
Rechargeable 3.7V 2200mAh Lithium ion battery 3.7V Li ion cells for 11.1V 12V 24V Singing machine mobile DVD player|Rechargeable Batteries| - AliExpress
Lithium Ion Cylindrical Battery - 3.7v 2200mAh : ID 1781 : $9.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Tenergy 3.6V 2200mAh Li-Ion 18650 Battery – UL Certified