OLIGHT 650mAh 16340 RCR123A 3.7v Lithium-ion Rechargeable Batteries Design for S1 S10R S10C S10 Series Flashlights NOT WORKS FOR OLIGHT S1R / S10R III / H1R . Search " B06Y3Z5NGM " to get the right one . Optimal for high-drain devices. Over discharge current protection.Over discharge voltage protection. Using an innovational positive protection circuit and its positions on the positive of battery which is different from traditional circuit protecting board placement Short circuit protection.Overcharge protection.Up to 500 charge and discharge cycles. Maximum 2A constant discharging current . Improved Battery Safety Free from Leakage of Liquid Electrolyte. Could charge with olight uc charger .Pakacge included: 2 pcs 16340 RCR123A Battery