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Comparison Console

Acebeam P18 vs Fenix TK21R

EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.

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Command Brief

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Fenix TK21R stands out as the lightest option for weight, with about a 14% gap from the closest alternative. Acebeam P18 stands out as the cheapest option for retail price. Acebeam P18 stands out as the highest output option for max lumens, with about a 39% gap from the closest alternative.

Decision Signals

What stands out

Cheapest

Acebeam P18 stands out as the cheapest option for retail price.

Most expensive

Fenix TK21R stands out as the most expensive option for retail price.

Lightest

Fenix TK21R stands out as the lightest option for weight, with about a 14% gap from the closest alternative.

Heaviest

Acebeam P18 stands out as the heaviest option for weight, with about a 16% gap from the closest alternative.

Lowest output

Fenix TK21R stands out as the lowest output option for max lumens, with about a 28% gap from the closest alternative.

Highest output

Acebeam P18 stands out as the highest output option for max lumens, with about a 39% gap from the closest alternative.

Shortest runtime

Fenix TK21R stands out as the shortest runtime option for max runtime, with about a 86% gap from the closest alternative.

Longest runtime

Acebeam P18 stands out as the longest runtime option for max runtime, with about a 628% 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.

Acebeam P18 — Beam distance: 629 m (2064 ft)Acebeam P18 — Weight: 256 g (9.03 oz)Acebeam P18 — Length: 145 mm (5.71 in)Acebeam P18 — Retail price: US$129.9Acebeam P18 — Max lumens: 5000 lmAcebeam P18 — Max runtime: 31680 minFenix TK21R — Beam distance: 480 m (1575 ft)Fenix TK21R — Weight: 221.4 g (7.81 oz)Fenix TK21R — Length: 153.3 mm (6.04 in)Fenix TK21R — Retail price: US$130.43Fenix TK21R — Max lumens: 3600 lmFenix TK21R — Max runtime: 4350 minBeam distanceWeightLengthRetail priceMax lumensMax runtime
Price & carry
Retail price
US$129.9Cheapest
US$130.43Most expensive
Weight
256 g (9.03 oz)Heaviest
221.4 g (7.81 oz)Lightest
Length
145 mm (5.71 in)Shortest
153.3 mm (6.04 in)Longest
Output
Max lumens
5000 lmHighest output
3600 lmLowest output
Max candela
98910 cd
Unknown
Beam distance
629 m (2064 ft)Highest
480 m (1575 ft)Lowest
Max runtime
31680 minLongest runtime
4350 minShortest runtime
Power & durability
Battery type
21700 Li-ion rechargeable
21700 lithium-ion
Charging type
USB Type-C
USB Type-C
Rechargeable
Yes
Yes
IP rating
IP68
IP68
Impact resistance
1.5 m (5 ft)
1.5 m (5 ft)
Material
A6061-T6 aluminum alloy with HAIII hard-anodized finish
Aluminum alloy A6061-T6
Use case profile
Best for
Tactical useProfessional useSecurityLaw enforcementHuntingLong range illumination
Tactical usePatrollingSearch and rescueTraffic inspectionSelf-defense
Common praise
High brightness and long rangeRobust and high-quality constructionIntuitive dual tail switch interfaceEffective tactical and daily modesIncluded high-capacity rechargeable 21700 battery
Very bright with strong beamSolid build qualityIP68 waterproof ratingLong runtimeFast USB-C chargingComfortable size for tactical useImproved tactile switch feel
Common complaints
Multi-LED design may be less efficient than single-LED for extended runtimesSome users reported battery drain issues if not frequently usedUSB-C cable length criticized as shortNo included holster or lanyard
Larger size compared to some EDC flashlightsNo detailed mode descriptions available