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Sofirn SC31T Manual
Thank you for purchasing Sofirn products.
Contact us@sofirnlight.com or eu@sofirnlight.com if you need assistance.
Before using or charging, please:
Unscrew the tail cap and remove the insulating paper and screw back again.
Sofirn SC31T is a powerful EDC flashlight for indoor or outdoor use. It uses a single
18650 battery and features a USB-C port for convenient recharging, a high efficiency
DTP MCPCB board, a super bright LED with up to 1900 lumens. Furthermore, it uses
Sofirn's user interface with both stepped modes and stepless ramping as well as a
more advanced temperature regulation (ATR) with smart heat control.

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Summary of Contents for Sofirn SC31T

  • Page 1 Unscrew the tail cap and remove the insulating paper and screw back again. Sofirn SC31T is a powerful EDC flashlight for indoor or outdoor use. It uses a single 18650 battery and features a USB-C port for convenient recharging, a high efficiency DTP MCPCB board, a super bright LED with up to 1900 lumens.
  • Page 2: Specifications

    ANSI/NEMA FL1 Chart Mode Medium High Turbo Moon Strobe Beacon Luminous 1900 1000 1000 Flux [lm] Runtime 7.5h 3.5h Days Beam Distance Peak Intensity 1575 3658 10633 [cd] Mode Ramping: Moon to Turbo Strobe Beacon Luminous 1 – 1900 1000 1000 Flux [lm] Runtime...
  • Page 3: Battery Specifications

    3.0V. It also turns off automatically if the voltage gets too low. Please recharge the battery.  Advanced Temperature Regulation (ATR) technology: As the temperature rises, SC31T is programmed to automatically step down and step up the brightness to prevent over-heating. Battery Specifications Dimension &...
  • Page 4: Safety Instructions

    Strobe mode may cause seizure in persons with photosensitive epilepsy.  Operating SC31T for a long time in high powered modes will quickly heat up the flashlight. This is normal.  Pay close attention to the proper installation of the battery. Always check that the positive end of the battery is visible when you unscrew the head from the tube before screwing the tube back on.
  • Page 5: Troubleshooting And Maintenance

    Troubleshooting and Maintenance  Disassembling the sealed head can damage the flashlight and voids the warranty.  Sofirn, Ltd. recommends using high-quality brand batteries. Damage by battery leakage voids the warranty.  Remove the battery if the flashlight will not be used for an extended period of time.
  • Page 6 Manufacturer: Shenzhenshi Jinba Technology Co.,Ltd Address: 1/F to 9/F, 1st Building, NO.110 Tenglong Industrial Center, Guanlan Street, Longhua New District, Shenzhen 518000, China...

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