Fenix ARB-L18-2600U USB Rechargeable Li-ion 18650 Battery - Fenix Flashlights
18650 Battery Eve 3.6v 2550mAh 7.5A - Button Top Battery – Battery World
Olight 18650 Rechargeable Battery, 3.6V, 3600 MAH
Amazon.com: 18650 Battery Charger 2 Bay Fast Charger, for Rechargeable Batteries 3.7V Li-ion 18650,26650 Battery, Comes with 4X Flat Head Rechargeable Battery Chargers and Super Bright Flashlight : Electronics