Surefire SF18650B Micro USB Lithium-Ion Rechargeable Battery

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.

FEATURES

• 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

SPECIFICATIONS

• TYPE: Protected 18650
• VOLTAGE: 3.6V
• CERTIFICATION: CE, PSE, UN38.3
• CHARGE END VOLTAGE: 4.2V
• CHEMISTRY: Lithium-ion
• DIMENSIONS: 69.4 x 18.6 mm
• DISCHARGE END VOLTAGE: 2.50V
• DISCHARGE RATE: 8-10A
• ENERGY: 12.6 Wh
• LITHIUM CONTENT: 10.5 g
• OPERATING TEMP RANGE (CHARGING): 0-45º C, 65%±25%RH
• OPERATING TEMP RANGE (DISCHARGING): -20º C-+60º C, 65%±25%RH
• RATED CAPACITY: 3.5 Ah
• STANDARD CHARGE RATE: Charging through USB can take over 8 hours if fully depleted. Approximately 5 hours of flashlight cutoff
• STORAGE TEMP RANGE: 0-35º C 60±25%RH
• USB CURRENT: 600 mA ± 100 mA
• USB CHARGE VOLTAGE: 5.0 V ± 0.2 V
• WEIGHT: 1.7 oz (49 g)