ASTROLUX S41S Stainless Steel 4x Nichia 219B/XP-G3/G2 A6 1600lm Flashlight

ASTROLUX S41S Stainless Steel 4x Nichia 219B/XP-G3/G2 A6 1600lm Flashlight

S41S Price: $35 (usual $50)

Coupon:  E91FDC 

S41S Colored Price: $37 (usual $42)

Coupon:  ASTROS41SC 

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Valid Till : May 2017

S41 (Aluminium) Price: $30 (usual $50)

Coupon:  AC0586 

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  • Utilizes Nichia 219B/ XP-G2/ XP-G3 LED
  • Uses BLF A6 Driver: A17DD-L FET+1 Driver
  • Max output of up to 1600 lumens
  • Direct access to ultra-low and turbo output
  • Detachable two-way anti-rolling clip
  • Constructed from Stainless Steel
  • HAIII military grade hard-anodized
  • Waterproof in accordance with IPX-8 (2 meters submersible)
  • Impact resistant to 1.5 meters
  • Tail stand capability
  • Package includes
    1 x Astrolux S41S Colored 1600LM Mini LED Flashlight
    1 x Lanyard
    1 x Spare O-ring
    1 x Spare tail switch cover
    1 x Clip

Driver Firmware

A6 Firmware designed by Toykeeper: Link


ModelS41S / S41SC (colored)
Emitter4*Nichia 219B/XP-G2/XP-G3
Tint219B(5000K),XP-G2(6500K),XP-G3 (6000-7000K)
ModeGroup1: Moon-Low-Med1-Med2-High1-High2-Turbo(short press<0.5s)

Group2:Low,Med,High,Turbo(short press<0.5s)
+Moon-Turbo-Tactical Strobe-Battcheck-Bike Flasher(Medium press 0.5s-1.5s)
DriverA17DD-L FET+1 Driver (by wight)
Working voltage2.8v - 4.25V
Compatible Batteries1 x 18350/ 16340 (not included)
Switch typeClicky Rear Switch
MaterialStainless Steel
Waterproof IPX-8 (underwater 2 metres)
Impact Resistant1m
Dimension80mm x 24mm(length x body diameter)
Net weight155g (5.46oz) (excluding battery)


Tint comparison


ASTROLUX S41S Stainless Steel and Colored (heat treated) Stainless Steel Prototype.


ASTROLUX S41S with 18650 Extension Tube.


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