Amazon.com: 2-Pack Battery for 3.7V 15A 1500mAh 18350 Flat Top Battery,Rechargeable, Li-ion Battery for Camera, Watch, LED Flashlight, Headlight, Quadcopter Aircraft, calcutors and etc. : Health & Household
Amazon.com: Rechargeable Lithium Ion Battery Pack - VIDAR 3.7V 10400mAh High Capacity Li-ion Battery Pack with JST PH2.54/2P Plug-in(Customizable) for Electronics,Toys,Lighting,Equipment : Health & Household