Comparison Console
Nitecore NU25 UL vs Sofirn SP40
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Nitecore NU25 UL stands out as the lightest option for weight, with about a 52% gap from the closest alternative. Sofirn SP40 stands out as the cheapest option for retail price, with about a 3% gap from the closest alternative. Sofirn SP40 stands out as the highest output option for max lumens, with about a 200% gap from the closest alternative.
Decision Signals
What stands out
Sofirn SP40 stands out as the cheapest option for retail price, with about a 3% gap from the closest alternative.
Nitecore NU25 UL stands out as the most expensive option for retail price, with about a 3% gap from the closest alternative.
Nitecore NU25 UL stands out as the lightest option for weight, with about a 52% gap from the closest alternative.
Sofirn SP40 stands out as the heaviest option for weight, with about a 107% gap from the closest alternative.
Nitecore NU25 UL stands out as the lowest output option for max lumens, with about a 67% gap from the closest alternative.
Sofirn SP40 stands out as the highest output option for max lumens, with about a 200% gap from the closest alternative.
Nitecore NU25 UL stands out as the shortest runtime option for max runtime, with about a 80% gap from the closest alternative.
Sofirn SP40 stands out as the longest runtime option for max runtime, with about a 389% 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$37Most expensive
US$36Cheapest
Weight
45 g (1.59 oz)Lightest
93 g (3.28 oz)Heaviest
Length
60.1 mm (2.37 in)Shortest
108 mm (4.25 in)Longest
Output
Max lumens
400 lmLowest output
1200 lmHighest output
Max candela
1029 cdLowest candela
4520 cdHighest candela
Beam distance
64 m (210 ft)Lowest
136 m (446 ft)Highest
Max runtime
2700 minShortest runtime
13200 minLongest runtime
Power & durability
Battery type
Built-in 650mAh Li-ion
1x18650 Li-Ion
Charging type
USB-C (~1.5 hours)
Micro-USB
Rechargeable
Yes
Yes
IP rating
IP66
IPX7
Impact resistance
1 m (3 ft)
Unknown
Material
ABS plastic
Aluminum
Use case profile
Best for
Ultralight HikingBackpackingTrail RunningAlpine ClimbingNighttime Outdoor Activities
CampingHikingIndustrial UseClose Range WorkBudget Headlamp Use
Common praise
Exceptional Lightweight At 45g With Good OutputVersatile Dual Beam (spot And Flood) OptionsAccurate And Long Runtimes Especially Ultralow ModeFast USB C Charging (~1.5 Hours)Comfortable And Secure Lightweight StrapIp66 Weatherproofing For Rugged Outdoor UseClear Battery Level Indicators
High Lumen Output For PriceGood Beam Quality With Cree Xp L LED And Op ReflectorLightweight And Comfortable HeadbandDurable Aluminum Construction With Good WaterproofingMagnetic Tailcap For Hands Free UseLow Voltage Protection To Safeguard Battery
Common complaints
Red Light Mode Is Too Bright And Lacks Dimming OptionsNon Replaceable Built In Battery Limits Long Term MaintenanceUser Interface Is Complex And Requires Reading The ManualShock Cord Strap May Not Suit Users Preferring Traditional Padded BandsBattery Capacity Modest For Extended Multi Week Trips
Lack Of A Moonlight ModeHeadband Loops Are Somewhat TightClip Could Be Deeper To Improve BalanceNo USB C Charging (uses Micro USB)
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