Comparison Console
Streamlight Knucklehead Spot vs ThruNite TN31
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
ThruNite TN31 stands out as the lightest option for weight, with about a 13% gap from the closest alternative. Streamlight Knucklehead Spot stands out as the cheapest option for retail price, with about a 24% gap from the closest alternative. ThruNite TN31 stands out as the highest output option for max lumens, with about a 537% gap from the closest alternative.
Decision Signals
What stands out
Streamlight Knucklehead Spot stands out as the cheapest option for retail price, with about a 24% gap from the closest alternative.
ThruNite TN31 stands out as the most expensive option for retail price, with about a 32% gap from the closest alternative.
ThruNite TN31 stands out as the lightest option for weight, with about a 13% gap from the closest alternative.
Streamlight Knucklehead Spot stands out as the heaviest option for weight, with about a 14% gap from the closest alternative.
Streamlight Knucklehead Spot stands out as the lowest output option for max lumens, with about a 84% gap from the closest alternative.
ThruNite TN31 stands out as the highest output option for max lumens, with about a 537% gap from the closest alternative.
Streamlight Knucklehead Spot stands out as the shortest runtime option for max runtime, with about a 98% gap from the closest alternative.
ThruNite TN31 stands out as the longest runtime option for max runtime, with about a 5614% 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$166.73Cheapest
US$220Most expensive
Weight
655 g (23.10 oz)Heaviest
572.1 g (20.18 oz)Lightest
Length
234 mm (9.21 in)Longest
203 mm (7.99 in)Shortest
Output
Max lumens
180 lmLowest output
1147 lmHighest output
Max candela
11000 cdLowest candela
75000 cdHighest candela
Beam distance
210 m (689 ft)Lowest
700 m (2297 ft)Highest
Max runtime
2100 minShortest runtime
120000 minLongest runtime
Power & durability
Battery type
NiCd rechargeable battery pack or 4 AA alkaline batteries
3x18650
Charging type
Unknown
Unknown
Rechargeable
Yes
Unknown
IP rating
IPX4
IPX8
Impact resistance
2 m (7 ft)Highest
1.2 m (4 ft)Lowest
Material
High-impact, super-tough nylon polymer
Aircraft grade aluminum with type III hard anodized finish
Use case profile
Best for
FirefightingSearch and RescueSituations requiring articulating head beamDurability and long beam distance
Long distance throwTactical useSearch and rescueOutdoor activitiesEmergency useSelf-defense
Common praise
Articulating 360-degree head for flexibilityLong beam distance of 210 metersMultiple brightness levels including long runtime moonlight modeDurable, shockproof construction with IPX4 water resistanceMagnet with strong pull for hands-free use
Very bright with good throwSolid build qualityTactical usability with momentary switch and rotary mode selectorQuiet smooth control ring with firm detentsGood grip due to aggressive knurlingIPX8 waterproof rating and impact resistanceStable tailstand capability
Common complaints
Relatively heavy at 655 gramsBattery pack not included, uses either NiCd rechargeable battery pack or 4 AA alkaline batteriesCharging cords and chargers sold separately
Heavy and bulky compared to smaller EDC lightsBattery carrier fits very wide batteries tightlyInitial sealed case foam had acrid smell
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