Comparison Console
Nitecore NU25 vs Nitecore NU31
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Nitecore NU25 stands out as the lightest option for weight, with about a 51% gap from the closest alternative. Nitecore NU25 stands out as the cheapest option for retail price, with about a 7% gap from the closest alternative. Nitecore NU31 stands out as the highest output option for max lumens, with about a 38% gap from the closest alternative.
Decision Signals
What stands out
Nitecore NU25 stands out as the cheapest option for retail price, with about a 7% gap from the closest alternative.
Nitecore NU31 stands out as the most expensive option for retail price, with about a 8% gap from the closest alternative.
Nitecore NU25 stands out as the lightest option for weight, with about a 51% gap from the closest alternative.
Nitecore NU31 stands out as the heaviest option for weight, with about a 103% gap from the closest alternative.
Nitecore NU25 stands out as the lowest output option for max lumens, with about a 27% gap from the closest alternative.
Nitecore NU31 stands out as the highest output option for max lumens, with about a 38% gap from the closest alternative.
Nitecore NU25 stands out as the shortest runtime option for max runtime, with about a 69% gap from the closest alternative.
Nitecore NU31 stands out as the longest runtime option for max runtime, with about a 227% 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$37Cheapest
US$39.95Most expensive
Weight
47 g (1.66 oz)Lightest
95.5 g (3.37 oz)Heaviest
Length
60 mm (2.36 in)Shortest
62.3 mm (2.45 in)Longest
Output
Max lumens
400 lmLowest output
550 lmHighest output
Max candela
4351 cdLowest candela
5800 cdHighest candela
Beam distance
132 m (433 ft)Lowest
145 m (476 ft)Highest
Max runtime
2700 minShortest runtime
8820 minLongest runtime
Power & durability
Battery type
Built-in 700mAh Li-ion battery
Built-in 1800mAh Li-ion battery
Charging type
USB Type-C
USB-C charging port (5V
1A)
Rechargeable
Yes
Yes
IP rating
IP66
IP66
Impact resistance
1 m (3 ft)
1 m (3 ft)
Material
PC (polycarbonate)
Aluminum alloy front housing with durable PC material body
Use case profile
Best for
Ultralight thru-hikersBackpackersTrail runners
Outdoor activitiesCampingHikingNight trekkingSkywatching
Common praise
Lightweight and comfortableMultiple color temperature optionsGood beam distance and brightness for size and weightReliable with USB-C recharge and battery indicatorVersatile output modes including red light and SOS
Lightweight and compact at 95.5gVersatile lighting modes including white, red, and high CRI auxiliary white lightLong battery runtime up to 147 hoursGood waterproof rating (IP66) and 1 meter impact resistanceUSB-C fast charging with short recharge timeSimple dual-button interface for easy operationReflective headband for safety
Common complaints
Multiple colors and modes can be confusing to operate
Charging time varies between 1.5 to 3 hours depending on sourceSlight green tint on white LED reportedCannot replace internal rechargeable battery
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