Comparison Console
Nitecore NU31 vs Wurkkos HD15R Red
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Wurkkos HD15R Red stands out as the lightest option for weight, with about a 25% gap from the closest alternative. Wurkkos HD15R Red stands out as the cheapest option for retail price, with about a 10% gap from the closest alternative. Wurkkos HD15R Red stands out as the highest output option for max lumens, with about a 82% gap from the closest alternative.
Decision Signals
What stands out
Wurkkos HD15R Red stands out as the cheapest option for retail price, with about a 10% gap from the closest alternative.
Nitecore NU31 stands out as the most expensive option for retail price, with about a 11% gap from the closest alternative.
Wurkkos HD15R Red stands out as the lightest option for weight, with about a 25% gap from the closest alternative.
Nitecore NU31 stands out as the heaviest option for weight, with about a 33% gap from the closest alternative.
Nitecore NU31 stands out as the lowest output option for max lumens, with about a 45% gap from the closest alternative.
Wurkkos HD15R Red stands out as the highest output option for max lumens, with about a 82% gap from the closest alternative.
Nitecore NU31 stands out as the shortest option for length, with about a 43% gap from the closest alternative.
Wurkkos HD15R Red stands out as the longest option for length, with about a 77% 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$39.95Most expensive
US$35.99Cheapest
Weight
95.5 g (3.37 oz)Heaviest
72 g (2.54 oz)Lightest
Length
62.3 mm (2.45 in)Shortest
110 mm (4.33 in)Longest
Output
Max lumens
550 lmLowest output
1000 lmHighest output
Max candela
5800 cdHighest candela
2430 cdLowest candela
Beam distance
145 m (476 ft)Highest
98.6 m (323 ft)Lowest
Max runtime
8820 min
Unknown
Power & durability
Battery type
Built-in 1800mAh Li-ion battery
1x 18650 lithium-ion battery
Charging type
USB-C charging port (5V
1A)
USB-C (type A-C and C-C cables)
Rechargeable
Yes
Yes
IP rating
IP66
IP68 (up to 2m underwater)
Impact resistance
1 m (3 ft)
Unknown
Material
Aluminum alloy front housing with durable PC material body
Aerospace grade 6061 aluminum alloy, hard-anodized Type III
Use case profile
Best for
Outdoor activitiesCampingHikingNight trekkingSkywatching
CampingHikingFishingHuntingGeneral headlamp usageEDC with headband or clipUtility lightPowerbank 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
Great red emitter with deep red color accuracyGood build quality with aerospace grade aluminumFlexible usage modes as headlamp and handheld flashlightAffordable price including battery and accessoriesUSB-C charging with powerbank capability
Common complaints
Charging time varies between 1.5 to 3 hours depending on sourceSlight green tint on white LED reportedCannot replace internal rechargeable battery
No grip strips inside headband strapLanyard attachment point is rough without chamferNot optimized for long throw lightingSwitch type may not be preferred by everyone
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