SUREFIRE M640DFT Dual Fuel High Candela Weaponlight User Manual

June 12, 2024
SUREFIRE

tuRBo ScOutLigHt PRO
DUAL FUEL HIGH-CANDELA WEAPONLIGHT

M640DFT Dual Fuel High Candela Weaponlight

| 550  LUMENS
---|---
| 71,000
CANDELA
| 2 HOURS
| 533
METERS
| REFLECTOR
| DUAL FUEL
| RECHARGEABLE
| IPX7

SPECIFICATIONS

| M640DFT
---|---
COLORS|
OUTPUT| 18650: 550 lumens       123A: 550 lumens
RUNTIME
| 18650: 2 hours           123A: 1 hour
PEAK BEAM INTENSITY| 18650: 71,000 candela     123A: 71,000 candela
DISTANCE
| 18650: 533 meters          123A: 533 meters
CONSTRUCTION| Aluminum
FINISH| Hard Anodized (MIL-A-8625 Type III, Class 2)
WEIGHT (w/batteries)| 5.5 oz (156 g)
LENGTH| 5.9 in (15 cm)
BEZEL DIAMETER| 1.258 in (3.19 cm)
BATTERIES| One SF18650B lithium-ion rechargeable (incl)
or Two 123A lithium  (not incl)
SWITCHING| Click tailcap

All performance claims tested to ANSI/NEMA FL1-2019 Standard.
*SF18650B battery required for 550 lumen output, 71,000 candela, 2 hours runtime, and 533 meter beam distance

PART# / UPC

M640DFT-BK-PRO 8.5E+10
M640DFT-TN-PRO 8.5E+10

DESCRIPTION

SureFire’s Scout Light Pro series rewrote the rules of long-gun WeaponLight versatility. The M640DFT combines the best attributes of the M640 Scout Light Pro with high-candela performance and dual-fuel capability. The M640DFT delivers the farthest-reaching beam of any SureFire long gun WeaponLight with the longest runtime. It is ideal for long-range target identification.
The M640DFT projects a blinding, peak beam intensity of 71,000 candela using the included SF18650B rechargeable lithium-ion battery, and 71,000 candela with two 123A primary batteries as well. The M640DFT offers tremendous versatility by providing ample spill light for situational awareness without sacrificing long-range performance.
The Scout Light Pro Low-Profile Mount (LPM) delivers unprecedented versatility, allowing the user to optimize the light’s position relative to the rail and other attached firearm accessories. Rugged and reliable, the LPM easily and securely attaches to any MIL-STD-1913 or M-LOK rail. Constructed of lightweight aerospace aluminum, Mil-Spec hardanodized, and O-ring sealed to keep out the elements, the M640DFT Scout Light Pro is the best-performing, most feature-rich, WeaponLight for its size.

FEATURES

  • Precision reflector produces a high-candela, far-reaching beam ideal for target identification at long distances
  • Generates up to 71,000 candela and 550 lumens of focused light with an SF18650B or two 123A batteries
  •  Versatile Low-Profile Mount (LPM) allows the user to optimize the light’s position relative to the rail and other attached firearm accessories
  • Mil-Spec hard-anodized aluminum body and tempered window make it light rugged, durable and combat ready
  • Activation via ZE68 momentary/constant-on pushbutton switching with protective shroud
  • Compatible with a host of remote tape switches (see accessories below)
  • Meets IPX7 waterproof test standard at 1 meter for 30 minutes
  • Note: SF18650B battery required for 550 lumen output, 71,000 candela, 2 hours runtime, and 533 meter beam distance

PACKAGING SPECS

TYPE Box – Kraft Stock
HEIGHT 9.5 in (24.1 cm)
WIDTH 4.75 in (12.1 cm)
DEPTH 1.75 in (4.4 cm)

FEATURED ACCESSORIES

123A LITHIUM BATTERIES
Available in 2, 6, 12-packs and bulk options SC1 SPARE BATTERY CARRIER
Other appropriate models also available

BODY SPECS

SUREFIRE M640DFT Dual Fuel High Candela Weaponlight- Icon
9

BATTERY SPECS

SF18650B RATING/PERFORMACE COMMENTS
TYPE Protected 18650 Internal Projection / Safety PCB
VOLTAGE 3.6V
CERTIFICATION CE, PSE, UN38.3
CHARGE END VOLTAGE 4.20V Max charge voltage
CHEMISTRY Lithium-ion
DIMENSIONS 69.4 x 18.6 mm Diameter x Height
DISCHARGE END VOLTAGE 2.50V
DISCHARGE RATE 8-10A
ENERGY 12.6 Wh
LITHIUM CONTENT 1.05 g
OPERATING TEMP RANGE (CHARGING) 0-45ºC, 65%±25%RH
OPERATING TEMP RANGE (DISCHARGING) -20ºC-+60ºC, 65%±25%RH
RATED CAPACITY 3.5Ah
STANDARD CHARGE RATE Charging through USB can take over 8 hours if fully

depleted. Approximately 5 hours of flashlight cutoff
STORAGE TEMP RANGE| 0-35ºC 60±25%RH|
USB CHARGE CURRENT| 600mA ± 100mA|
USB CHARGE VOLTAGE| 5.0V ± 0.2V|
WEIGHT| 1.7 oz (49 g)|

18650 Battery Charger Specification Requirements:

  1. Use only a smart charger that uses a constant current/constant voltage charge cycle
  2. Output of 4.2VDC, with charge current output of 0.5 to 2A

THE WORLD’S FINEST ILLUMINATION TOOLS, SUPPRESSORS, & TACTICAL PRODUCTS ®
18300 Mt. Baldy Circle, Fountain Valley, CA 92708
714-545-9444
Fax:714-545-9537
surefire.com
Actual product may vary from photo. Prices and specifications subject to change without notice.
Export of the product(s) shown herein must comply with the appropriate U.S. Government Jurisdiction(s) and Regulation(s).
©2022 SureFire, LLC JAN

Documents / Resources

| SUREFIRE M640DFT Dual Fuel High Candela Weaponlight [pdf] User Manual
M640DFT Dual Fuel High Candela Weaponlight, M640DFT, Dual Fuel High Candela Weaponlight, High Candela Weaponlight, Candela Weaponlight
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References

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