Surefire SF18650B Micro USB Lithium Ion Rechargeable Battery
The Surefire SF18650B is a Micro USB Lithium Ion rechargeable battery. 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 (no 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.
Surefire SF18650B Features
High-performance 3.6V 18650 lithium ion rechargeable battery with MICRO-USB port for ease of charging â arging 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
Specifications |
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| 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 Capactiy | 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 Rate | 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) | |||||
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