SureFire SF18350 Features The SureFire SF18350 is a lithium-ion protected 18350 battery with a built-in Micro-USB charging port allowing the user to charge from any USB power source including wall chargers computers power banks and automotive USB ports without requiring a separate charging cradle. At 1 100 mAh capacity and a 3.7V output the SF18350 provides extended runtime across compatible SureFire Dual Fuel and single 123A-powered host devices. The 8 to 10A discharge rate delivers dependable power output for high-drain devices such as LED flashlights under sustained use. The dual LED charge indicator displays the current battery charge state during charging with a red LED indicating active charging and a green LED confirming a full charge for straightforward battery management in the field or at home. The SF18350 is compatible with SureFire Dual Fuel and single 123A-powered products but is not compatible with non-Dual Fuel single 123A-powered products. The included Micro-USB to USB cable provides the charging interface out of the box without requiring additional accessories. SureFire SF18350 Specifications Manufacturer: SureFire Model: SF18350 Battery Type: 18350 Lithium-Ion Voltage: 3.7V Capacity: 1 100 mAh Discharge Rate: 8-10A Charging: Micro-USB Color: Red Compatible With: SureFire Dual Fuel Single 123A-Powered Products Not Compatible With: Non-Dual Fuel Single 123A-Powered Products Includes: Micro-USB to USB Cable