Chemistry:Lithium Ion Voltage: 3.7V Capacity: 2600mAh Four operating modes battery can last: – High: 500 lumens; 265m beam; runs 1.5 hours – Medium: 275 lumens; 190m beam; 2.5 hours – Low: 140 lumens; 134m beam; runs 5 hours – Strobe for signaling or disorienting: runs 3 hours Compatible with Models: streamlight 75175 75375 75176 75768 100% compatible with original manufacturer equipments and chargers High-performance 75176 lithium ion battery Compatible for Streamlight Stinger flashlights