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Sofirn SD09L Manual
Contact us@sofirnlight.com or eu@sofirnlight.com if you need assistance.
NOTE: AUTOMATIC LOCKOUT FEATURE, when the flashlight turns off after 1
minute, it will automatically enter lockout mode. Double-click the switch to unlock
the flashlight.
Compare SD09 with SD09L, SOFIRN diving flashlight SD09L is brighter and can work longer
than that of the SD09. For those looking for more power, the SD09 uses two 21700 batteries to
deliver a whopping 6800 lumens. It's capable of functioning at depths of up to 100m, making it the
ideal companion for deep-sea diving and underwater exploration. With its sleek and durable
design, this diving flashlight is built to withstand the toughest of environments.
ANSI/NEMA FL1 Chart
Mode
Low
Luminous
500
Flux [lm]
Runtime [h]
20
Beam
Distance
140
[m]
Peak
Intensity
1433
[cd]
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Medium
1200
9
235
13783
High
Turbo
3400
6800
3
2
375
542
35100
73417
Strobe
3400
-
-
-

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Summary of Contents for Sofirn SD09L

  • Page 1 Double-click the switch to unlock the flashlight. Compare SD09 with SD09L, SOFIRN diving flashlight SD09L is brighter and can work longer than that of the SD09. For those looking for more power, the SD09 uses two 21700 batteries to deliver a whopping 6800 lumens.
  • Page 2 Impact 1m / 3.28 ft. Resistance Water IPX8 Resistance The above mentioned parameters are based on tests according to international flashlight testing standards (ANSI/NEMA FL1) using two 4,000mAh 21700 Li-ion batteries in our Notes laboratory. Results may vary with different battery or under different environmental conditions.
  • Page 3 Strobe mode may cause seizure in persons with photosensitive epilepsy.  Operating SD09L 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 faces the flashlight’s head.
  • Page 4 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.

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