Amazon.com: OLIGHT 186C35 Customized Rechargeable Battery for S30R II, S30R III, S2R II, Warrior Mini 2 Flashlight and H2R, Perun Headlamp, with LumenTac Battery Organizer : Tools & Home Improvement
Olight 18650 rechargeable battery 3400mAh
Olight 18650 Battery 34000mAh - Hunting Store
Olight Customised 10 A HDC 18650 3500 mAh Li-ion Battery