OLIGHT Omni-DOK Universal Charger and Rechargeable 18650 Batteries for Flashlight Camera The ORB-186L34 is an innovational and latest high energy density Lithium Ion rechargeable battery developed by OLIGHT as a battery solution for high-drain devices. OLIGHT made a breakthrough traditional battery structural design and place the protection board on the positive anode of battery creatively. The ORB-186L34 achieved a better match with more devices powered by batteries. It not only has a broader application range but is a more economical and environmental-friendly product. Multi-protection attributes cell PTC protection Over discharge current protection Over discharge voltage protection Short circuit protection Overcharge protection Long serving life More than 500 charge and discharge cycles being used for over 5 years consistently