Surefire Micro USB Lithium-Ion Rechargeable Battery - 3.6 V Output/3500 mAh Capacity - SF18650B

Charge. Win. Repeat. The SF18650B is a Lithium Ion-protected 18650 battery with MICRO-USB charge capability. This allows the user to conveniently charge the battery using any USB power source such as a USB wall charger, computer/laptop, power bank, or automotive USB port using the included MICRO-USB to USB cable. Additionally, an external 18650 compatible CC-CV cradle charger (not included) can be used to charge the battery; possibly at a faster rate if so equipped. The SF18650B is compatible with the following SureFire products: FURY-DFT, FURY-IB-DF, EDC2-DFT, M600DF, M640DF, M640DFT and P1R series. Features High-performance 3.6V 18650 lithium ion rechargeable battery with MICRO-USB port for ease of charging; no charging cradle needed When plugged into a power source, two LED indicators display the current charge state: Red for charging and Green for fully charged 3,500 mAh for extended battery runtime 8-10A discharge rate for dependability in high drain devices such as LED flashlights The new champion among SF18650 rechargeable batteries 3.6 volts / 3500 mAh deliver extended runtime MICRO-USB charging facilitates charging via a variety of power sources