Comparison Console
Acebeam X25 vs Streamlight Knucklehead Spot
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Streamlight Knucklehead Spot stands out as the lightest option for weight, with about a 39% gap from the closest alternative. Streamlight Knucklehead Spot stands out as the cheapest option for retail price, with about a 57% gap from the closest alternative. Acebeam X25 stands out as the highest output option for max lumens, with about a 12678% 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 57% gap from the closest alternative.
Acebeam X25 stands out as the most expensive option for retail price, with about a 134% gap from the closest alternative.
Streamlight Knucklehead Spot stands out as the lightest option for weight, with about a 39% gap from the closest alternative.
Acebeam X25 stands out as the heaviest option for weight, with about a 64% gap from the closest alternative.
Streamlight Knucklehead Spot stands out as the lowest output option for max lumens, with about a 99% gap from the closest alternative.
Acebeam X25 stands out as the highest output option for max lumens, with about a 12678% gap from the closest alternative.
Acebeam X25 stands out as the shortest runtime option for max runtime, with about a 71% gap from the closest alternative.
Streamlight Knucklehead Spot stands out as the longest runtime option for max runtime, with about a 240% 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$390Most expensive
US$166.73Cheapest
Weight
1073 g (37.85 oz)Heaviest
655 g (23.10 oz)Lightest
Length
158 mm (6.22 in)Shortest
234 mm (9.21 in)Longest
Output
Max lumens
23000 lmHighest output
180 lmLowest output
Max candela
602952 cdHighest candela
11000 cdLowest candela
Beam distance
1553 m (5095 ft)Highest
210 m (689 ft)Lowest
Max runtime
618 minShortest runtime
2100 minLongest runtime
Power & durability
Battery type
Built-in rechargeable Li-ion battery pack (14.4V/4250mAh) or removable holder with 4 x 21700 5000mAh Li-ion batteries
NiCd rechargeable battery pack or 4 AA alkaline batteries
Charging type
USB-C fast charging (60W, 1.5 hours for battery pack version)
Unknown
Rechargeable
Yes
Yes
IP rating
IP68
IPX4
Impact resistance
Unknown
2 m (7 ft)
Material
Aluminum alloy with HA-III anodizing coating
High-impact, super-tough nylon polymer
Use case profile
Best for
Search and rescueExploringCamping with atmospheric RGB lightingLong-range illumination
FirefightingSearch and RescueSituations requiring articulating head beamDurability and long beam distance
Common praise
Very high output and long beam distanceRGB lighting for atmospheric effectsFast USB-C charging on battery pack versionRobust build with durable materials and IP68 ratingDual switch interface with mechanical lock for safety
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
Common complaints
Large and heavy, not pocket-friendlyBattery holder version requires external charging of cellsSomewhat complex UI with multiple modes
Relatively heavy at 655 gramsBattery pack not included, uses either NiCd rechargeable battery pack or 4 AA alkaline batteriesCharging cords and chargers sold separately
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