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)
Dataset Expansion
Missing a brand?
Suggest an EDC brand for CarryCrew to research and add to the comparison database.
Community indexing queue online