Surefire SF18650B 3.6V Micro USB Li-Ion Rechargeable Battery

Description 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, P1R-A-BK (discontinued), P1R-B-BK, M600DF-BK, M600DF-TN, M640DF-BK-PRO and M640DF-TN-PRO.FEATURES:The new champion among SF18650 rechargeable batteries3.6 volts / 3500 mAh deliver extended runtimeMICRO-USB charging facilitates charging via a variety of power sourcesHigh-performance 3.6V 18650 lithium ion rechargeable battery with MICRO-USB port for ease of charging – no charging cradle neededWhen plugged into a power source, two LED indicators display the current charge state: Red for charging and Green for fully charged3,500 mAh for extended battery runtime8-10A discharge rate for dependability in high drain devices such as LED flashlights SPECIFICATIONS:TYPEProtected 18650VOLTAGE3.6VCERTIFICATIONCE, PSE, UN38.3CHARGE END VOLTAGE4.20VCHEMISTRYLithium-ionDIMENSIONS69.4 x 18.6 mmDISCHARGE END VOLTAGE2.50VDISCHARGE RATE8-10AENERGY12.6 WhLITHIUM CONTENT10.5 gOPERATING TEMP RANGE (CHARGING)0-45ºC, 65%±25%RHOPERATING TEMP RANGE (DISCHARGING)-20ºC- 60ºC, 65%±25%RHRATED CAPACITY3.5AhSTANDARD CHARGE RATECharging through USB can take over 8 hours if fully depleted. Approximately 5 hours of flashlight cutoffSTORAGE TEMP RANGE0-35ºC 60±25%RHUSB CURRENT600mA ± 100mAUSB CHARGE VOLTAGE5.0V ± 0.2VWEIGHT1.7 oz (49 g)