Olight 186C32 18650 3200mAh 3.6V Protected Lithium Ion (Li-ion) Button Top Battery for the S30R II, S2R and S2R II
Amazon.com: OLIGHT 186C35 Customized Rechargeable Battery for S30R II, S30R III, S2R II, Warrior Mini 2 & 3 Flashlight and H2R, Perun Headlamp, with LumenTac Battery Organizer : Tools & Home Improvement