Extended 3.6V 3000mAh NIMH Battery Stick for Streamlight Stinger LED HP, XT,75175 PolyStinger, Pelican M9 Volts: 3.6V Capacity: 3000mAh Chemistry: Ni-MH Dimensions (Length x Diameter): 5.125" x 0.875" Guaranteed to meet or exceed OEM specifications