SF18650B Battery

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

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

Specs:

• Type: Protected 18650
• Voltage: 3.6V
• Certifications: 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 Temperature Range (Charging): 0 to 45°C (65% ± 25% RH)
• Operating Temperature Range (Discharging): -20 to +60°C (65% ± 25% RH)
• Rated Capacity: 3.5Ah
• Standard Charge Rate: USB charging can take over 8 hours from full depletion; approximately 5 hours to flashlight cutoff
• Storage Temperature Range: 0 to 35°C (60% ± 25% RH)
• USB Charging Current: 600 mA ± 100 mA
• USB Charge Voltage: 5.0V ± 0.2V
• Weight: 1.7 oz (49 g)