Comparison Console
Nitecore NU31 vs ThruNite TH20 Pro
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
ThruNite TH20 Pro stands out as the lightest option for weight, with about a 40% gap from the closest alternative. ThruNite TH20 Pro stands out as the cheapest option for retail price, with about a 25% gap from the closest alternative. ThruNite TH20 Pro stands out as the highest output option for max lumens, with about a 84% gap from the closest alternative.
Decision Signals
What stands out
ThruNite TH20 Pro stands out as the cheapest option for retail price, with about a 25% gap from the closest alternative.
Nitecore NU31 stands out as the most expensive option for retail price, with about a 33% gap from the closest alternative.
ThruNite TH20 Pro stands out as the lightest option for weight, with about a 40% gap from the closest alternative.
Nitecore NU31 stands out as the heaviest option for weight, with about a 66% gap from the closest alternative.
Nitecore NU31 stands out as the lowest output option for max lumens, with about a 46% gap from the closest alternative.
ThruNite TH20 Pro stands out as the highest output option for max lumens, with about a 84% gap from the closest alternative.
Nitecore NU31 stands out as the shortest runtime option for max runtime, with about a 18% gap from the closest alternative.
ThruNite TH20 Pro stands out as the longest runtime option for max runtime, with about a 22% 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$29.95Cheapest
Weight
95.5 g (3.37 oz)Heaviest
57.6 g (2.03 oz)Lightest
Length
62.3 mm (2.45 in)Shortest
80 mm (3.15 in)Longest
Output
Max lumens
550 lmLowest output
1010 lmHighest output
Max candela
5800 cdLowest candela
7200 cdHighest candela
Beam distance
145 m (476 ft)Lowest
169 m (554 ft)Highest
Max runtime
8820 minShortest runtime
10800 minLongest runtime
Power & durability
Battery type
Built-in 1800mAh Li-ion battery
1x AA or 1x 14500 battery
Charging type
USB-C charging port (5V
1A)
USB-C charging via included 14500 battery
Rechargeable
Yes
Yes
IP rating
IP66
IPX8
Impact resistance
1 m (3 ft)Lowest
1.5 m (5 ft)Highest
Material
Aluminum alloy front housing with durable PC material body
Aircraft grade aluminium with type III hard anodised finish
Use case profile
Best for
Outdoor ActivitiesCampingHikingNight TrekkingSkywatching
RunningCampingUtility TasksEveryday Carry
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
Lightweight And CompactGood Runtime And Output For SizeIncludes Rechargeable 14500 Battery With USB C ChargingFlexible Use As Headlamp Or Right Angle Flashlight
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 Battery Level Indicator On LightLow Mode May Be Too Bright For Some UsersNo External Charging Port On Light Body
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