Amazon.com: KBT 3.7V 2200mAh Li-Polymer Battery: 103450 Lipo Rechargeable Lithium-ion Replacement Batteries with JST Connector : Health & Household
Amazon.com: VIDAR Rechargeable Lithium Ion Battery Pack 7.4V 2200mAh High Capacity Li-ion Battery Pack with JST PH2.54/2P Plug-in(Customizable) for Electronics,Toys,Lighting,Equipment : Health & Household