Amazon.com: BENKIA 18650 Rechargeable Battery, 3.7V,9900mAh, Flat top, for headlamp,Flashlight,Toys,doorbell,etc. (12-Pack) : Health & Household
Amazon.com: ACSONS Aa Lithium BatteriesRechargeable Batteries 2200mAh Lithium-Ion Battery Button Battery, Used for LED Flashlight, Electronic Devices, Etc,Pack of 2,6 Packets : Health & Household
Lux-Pro 360-Lumen 2 Modes LED Rechargeable Spotlight Flashlight (Lithium Ion (3.7V) Battery Included) in the Flashlights department at Lowes.com