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8.000 KD

This battery was designed for use in the first generation of R40 flashlights. Grab an extra one or two for backup battery power.

Please be noted this is not a standard 26650 battery. It can only be used and charged in the R40 light.

Please be noted this is not for R40 V2 which uses a NL2150DW battery here.


  • Battery Size: Customized (only works in R40 light)
  • Voltage: 3.7V
  • Capacity: 5000mAh
  • Proprietary battery for Nitecore R40 (Ver.1 only)