Comparison Console
SureFire E2D Defender Ultra vs SureFire M640DFT Turbo Scout Light Pro
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
SureFire E2D Defender Ultra stands out as the lightest option for weight, with about a 24% gap from the closest alternative. SureFire E2D Defender Ultra stands out as the cheapest option for retail price, with about a 35% gap from the closest alternative. SureFire E2D Defender Ultra stands out as the highest output option for max lumens, with about a 43% gap from the closest alternative.
Decision Signals
What stands out
SureFire E2D Defender Ultra stands out as the cheapest option for retail price, with about a 35% gap from the closest alternative.
SureFire M640DFT Turbo Scout Light Pro stands out as the most expensive option for retail price, with about a 54% gap from the closest alternative.
SureFire E2D Defender Ultra stands out as the lightest option for weight, with about a 24% gap from the closest alternative.
SureFire M640DFT Turbo Scout Light Pro stands out as the heaviest option for weight, with about a 31% gap from the closest alternative.
SureFire M640DFT Turbo Scout Light Pro stands out as the lowest output option for max lumens, with about a 30% gap from the closest alternative.
SureFire E2D Defender Ultra stands out as the highest output option for max lumens, with about a 43% gap from the closest alternative.
SureFire E2D Defender Ultra stands out as the shortest option for length, with about a 5% gap from the closest alternative.
SureFire M640DFT Turbo Scout Light Pro stands out as the longest option for length, with about a 6% gap from the closest alternative.
Specification Profile
Relative dimensions at a glance
Each axis is normalized against the largest raw value among the products in this comparison. Farther outward means a larger value, not necessarily a better result. Axes with an unverified value are omitted.
Price & carry
Retail price
US$259Cheapest
US$399Most expensive
Weight
119 g (4.20 oz)Lightest
156 g (5.50 oz)Heaviest
Length
142 mm (5.59 in)Shortest
150 mm (5.91 in)Longest
Output
Max lumens
1000 lmHighest output
700 lmLowest output
Max candela
10600 cdLowest candela
100000 cdHighest candela
Beam distance
200 m (656 ft)Lowest
632 m (2073 ft)Highest
Max runtime
165 min
165 min
Power & durability
Battery type
Two 123A batteries
One SF18650 rechargeable or two CR123A lithium primary batteries
Charging type
Unknown
Unknown
Rechargeable
No
Yes
IP rating
IPX7
IPX7
Impact resistance
Unknown
Unknown
Material
High-strength aerospace aluminum, Mil-Spec hard-anodized finish
Aerospace aluminum, Mil-Spec hard anodized
Use case profile
Best for
Everyday carryTactical useSelf-defenseAdministrative tasks
Long range target identificationWeapon mounting for military/law enforcement usePositive target identification at extreme distance
Common praise
High brightness with wide beam and good rangeLong battery life on low modeDurable aerospace aluminum buildEffective dual output modesSelf-defense oriented design features
Outstanding beam intensity for long range identification (100,000 candela)Long runtime for its class (2.5-2.75 hours)Dual fuel capability offers flexibility between rechargeable battery and primary lithiumRugged aerospace aluminum construction with IPX7 waterproof ratingCompatible with multiple mounting systems and remote switches
Common complaints
Bezel can become hot during extended high output useSharp bezel may cause minor injury if mishandledTail cap can accumulate dust and debris when carried in pocket
Premium price pointLower lumen output compared to some flood lightsRechargeable battery sold only as SureFire formatDesigned primarily for long throw rather than wide area illuminationHeavier than compact Scout Light variants