4-Pack of INR 18650 Red Lithium-Ion Rechargeable Batteries - 3.7V 2200mAh | xUmp
Amazon.com: Rechargeable Lithium Ion Battery Pack - VIDAR 12V 2200mAh High Capacity Li-ion Battery Pack with JST PH2.54/2P Plug-in(Customizable) for Electronics,Toys,Lighting,Equipment : Health & Household
Lithium Ion Cylindrical Battery - 3.7v 2200mAh
RDQ Series 14.8V 4S 2200mAh 80C LiPo Battery - XT60