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
Majoxin 4PCS 18650 Rechargeable Battery 3.7V 2200mAh Li-ion Battery Large Capacity Button Top flashlights for LED Torch Flashlight Headlamp Electronic Devices NOT AA AA Lithium Battery
Lithium Ion 18650 Battery: 3.7V / 2600 mA-hr from 64seconds on Tindie