Comparison Console
Nitecore NU40 vs Streamlight Double Clutch USB
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Streamlight Double Clutch USB stands out as the lightest option for weight, with about a 2% gap from the closest alternative. Nitecore NU40 stands out as the cheapest option for retail price, with about a 25% gap from the closest alternative. Nitecore NU40 stands out as the highest output option for max lumens, with about a 700% gap from the closest alternative.
Decision Signals
What stands out
Nitecore NU40 stands out as the cheapest option for retail price, with about a 25% gap from the closest alternative.
Streamlight Double Clutch USB stands out as the most expensive option for retail price, with about a 33% gap from the closest alternative.
Streamlight Double Clutch USB stands out as the lightest option for weight, with about a 2% gap from the closest alternative.
Nitecore NU40 stands out as the heaviest option for weight, with about a 2% gap from the closest alternative.
Streamlight Double Clutch USB stands out as the lowest output option for max lumens, with about a 88% gap from the closest alternative.
Nitecore NU40 stands out as the highest output option for max lumens, with about a 700% gap from the closest alternative.
Streamlight Double Clutch USB stands out as the shortest runtime option for max runtime, with about a 97% gap from the closest alternative.
Nitecore NU40 stands out as the longest runtime option for max runtime, with about a 3329% 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$61Cheapest
US$80.95Most expensive
Weight
116 g (4.09 oz)Heaviest
114.25 g (4.03 oz)Lightest
Length
79.8 mm (3.14 in)
Unknown
Output
Max lumens
1000 lmHighest output
125 lmLowest output
Max candela
2700 cdHighest candela
1700 cdLowest candela
Beam distance
100 m (328 ft)Highest
82 m (269 ft)Lowest
Max runtime
7200 minLongest runtime
210 minShortest runtime
Power & durability
Battery type
Built-in 18650 Li-ion 2600mAh rechargeable
USB rechargeable lithium polymer battery, 3x AAA alkaline or lithium batteries (backup)
Charging type
USB-C (5V 2A)
USB
Rechargeable
Yes
Yes
IP rating
IP68
IPX4
Impact resistance
2 m (7 ft)
2 m (7 ft)
Material
PC plastic rear housing with aluminum alloy front housing
Impact-resistant polymer (engineering polymer, polycarbonate lens)
Use case profile
Best for
HikingTrail runningCampingCyclingMaintenanceOutdoor activities
Work tasks requiring adjustable beamHands-free lightingUse with hard hatsNear and distance lighting
Common praise
Lightweight and compact designHigh maximum output with uniform beamLong runtime especially on low modesUSB-C fast rechargeableDurable construction with good heat dissipationMultiple brightness levels and special modes including red light for night vision preservation
Versatile lighting with adjustable spot and flood beamsRechargeable with backup battery optionComfortable, low-profile with tilting headDurable and dependable for work or outdoor use
Common complaints
Runtime on highest output (Turbo) is limitedSome users may prefer longer beam distance for certain tasks
USB AC adapter not includedRuntime is moderate, not very long for high modes
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