Comparison Console
ThruNite BSS V4 vs ThruNite TT20
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
ThruNite BSS V4 stands out as the lightest option for weight, with about a 46% gap from the closest alternative. ThruNite TT20 stands out as the highest output option for max lumens. ThruNite TT20 stands out as the longest runtime option for max runtime, with about a 1527% gap from the closest alternative.
Decision Signals
What stands out
ThruNite BSS V4 stands out as the lightest option for weight, with about a 46% gap from the closest alternative.
ThruNite TT20 stands out as the heaviest option for weight, with about a 85% gap from the closest alternative.
ThruNite BSS V4 stands out as the lowest output option for max lumens.
ThruNite TT20 stands out as the highest output option for max lumens.
ThruNite BSS V4 stands out as the shortest runtime option for max runtime, with about a 94% gap from the closest alternative.
ThruNite TT20 stands out as the longest runtime option for max runtime, with about a 1527% gap from the closest alternative.
ThruNite TT20 stands out as the shortest option for length, with about a 7% gap from the closest alternative.
ThruNite BSS V4 stands out as the longest option for length, with about a 8% 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$59.95
US$59.95
Weight
98 g (3.46 oz)Lightest
181.1 g (6.39 oz)Heaviest
Length
146.5 mm (5.77 in)Longest
136 mm (5.35 in)Shortest
Output
Max lumens
2523 lmLowest output
2526 lmHighest output
Max candela
16887 cdLowest candela
26600 cdHighest candela
Beam distance
260 m (853 ft)Lowest
305 m (1001 ft)Highest
Max runtime
8850 minShortest runtime
144000 minLongest runtime
Power & durability
Battery type
1x 18650
21700 proprietary lithium-ion
Charging type
Micro-USB
USB Type-C
Rechargeable
Yes
Yes
IP rating
IPX8
IPX8
Impact resistance
Unknown
1.5 m (5 ft)
Material
Aluminum
Aluminum 6061-T6
Use case profile
Best for
Tactical useEDCWeapon mountingOutdoor activities
Tactical useHuntingSearch and rescueSecurity patrolRoadside emergenciesOutdoor adventuresEmergency preparedness
Common praise
High maximum output with 2523 lumensCompact size and lightweight for easy carryIncludes a comprehensive accessory kit with battery and mounting optionsIPX8 waterproof ratingSmooth reflector and versatile strike bezelGood thermal management and runtime
High brightness and long throwGood build quality and ruggednessVersatile and intuitive interfaceLong battery life especially in firefly modeProprietary battery includedUSB-C chargingVersatile carrying options including reversible clip and holster
Common complaints
Uses micro-USB charging rather than the more modern USB-CTailcap design can make battery swaps somewhat inconvenientFriction-fit pocket clip only allows tail-end carryNo mounting option for the remote switch included
Proprietary battery limits battery replacement optionsSome users find the size and weight bulky for pocket carry
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