Comparison Console
Nitecore NU31 vs Wurkkos HD20 LH351D
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Nitecore NU31 stands out as the lightest option for weight, with about a 27% gap from the closest alternative. Nitecore NU31 stands out as the cheapest option for retail price, with about a 18% gap from the closest alternative. Wurkkos HD20 LH351D stands out as the highest output option for max lumens, with about a 264% gap from the closest alternative.
Decision Signals
What stands out
Nitecore NU31 stands out as the cheapest option for retail price, with about a 18% gap from the closest alternative.
Wurkkos HD20 LH351D stands out as the most expensive option for retail price, with about a 23% gap from the closest alternative.
Nitecore NU31 stands out as the lightest option for weight, with about a 27% gap from the closest alternative.
Wurkkos HD20 LH351D stands out as the heaviest option for weight, with about a 36% gap from the closest alternative.
Nitecore NU31 stands out as the lowest output option for max lumens, with about a 73% gap from the closest alternative.
Wurkkos HD20 LH351D stands out as the highest output option for max lumens, with about a 264% gap from the closest alternative.
Nitecore NU31 stands out as the shortest option for length, with about a 49% gap from the closest alternative.
Wurkkos HD20 LH351D stands out as the longest option for length, with about a 96% 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$39.95Cheapest
US$48.99Most expensive
Weight
95.5 g (3.37 oz)Lightest
130 g (4.59 oz)Heaviest
Length
62.3 mm (2.45 in)Shortest
122 mm (4.80 in)Longest
Output
Max lumens
550 lmLowest output
2000 lmHighest output
Max candela
5800 cdLowest candela
7695 cdHighest candela
Beam distance
145 m (476 ft)Lowest
175.4 m (575 ft)Highest
Max runtime
8820 min
Unknown
Power & durability
Battery type
Built-in 1800mAh Li-ion battery
21700
Charging type
USB-C charging port (5V
1A)
USB Type-C
Rechargeable
Yes
Yes
IP rating
IP66
Unknown
Impact resistance
1 m (3 ft)
Unknown
Material
Aluminum alloy front housing with durable PC material body
Aluminum alloy
Use case profile
Best for
Outdoor ActivitiesCampingHikingNight TrekkingSkywatching
Headlamp UsageLong RuntimeHigh OutputUSB C ChargingPowerbank Functionality
Common praise
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
Robust Build QualityVersatile Dual Emitter SystemGood Brightness And ThrowIncludes Useful Accessories Like Headband And Pocket Clip
Common complaints
Charging Time Varies Between 1.5 To 3 Hours Depending On SourceSlight Green Tint On White LED ReportedCannot Replace Internal Rechargeable Battery
Heavy For Headlamp UseSome Users May Find Flood Emitter Unnecessary
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