Ships in 1-4 business days

SureFire Rechargeable Battery


What’s Included | Specs | Restrictions

This is a battery. Charge, use, repeat. All jokes aside, SureFire batteries are top-notch, making these rechargeable batteries perfect for replacing old cells or supplementing your current supply. These are the batteries that come standard in the SureFire M340DFT and M640DFT, and they feature an integral micro USB charge port, so no standalone charger is needed.


One SureFire rechagable battery; micro-USB charging cable

Back to top ↑



  • High-performance 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.
  • 1,100 mAh (18350) and 3,500mAh (18650) for extended battery runtime.
  • 8-10A discharge rate for dependability in high-drain devices such as LED flashlights.

Made in China.

View the User Manuals: (SF18350) or (SF18650B)


Type Protected 18350 or 18650
Voltage 3.7V (18350)
3.6V (18650)
Charge end voltage 4.2V
Discharge end voltage 2.5V
Dimensions 39.8 mm x 18.6 mm (18350)
69.4 x 18.6 mm (18650)
Chemistry Lithium-ion 
Discharge rate 10a (18350)
8-10a (18650)
Energy 4.07 Wh (18350)
12.6 Wh (18650)
Rated capacity 1.1 Ah (18350)
3.5 Ah (18650)

Back to top ↑


This product contains lithium and cannot be shipped outside of the contiguous 48 United States.

SureFire products cannot be shipped outside of the US.

Back to top ↑

You may also like…