Klarus BP2High-Performance Li-ion Battery pack Grab some heavy hitting spare power with the Klarus BP2 battery pack for the Klarus XT30R LED flashlight. This uniquely styled battery pack simply screws into the handle portion of the flashlight, providing long lasting power for extended lighting sessions. The BP2 is outfitted with two 3400mAh 18650 batteries arranged in series that ensure the very best performance from your flashlight. The body of this battery pack is made from the same anodized aluminum that the XT30R is, and shares the same safety ratings and rugged durability.Specifications: Compatible with Klarus XT30R LED Flashlight Includes 2 x 3400mAh 18650 Li-ion Batteries Aero-space aluminum alloy body Mil-spec hard anodized (HA III) Anti-abrasive, lightweight and robust Dimensions: Length: 150mm / 5.91in Diameter: 25.4mm / 1in Weight: 140g / 4.94oz (Including Battery)