Comparison Console
Acebeam P15 vs Streamlight MegaStream USB
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Acebeam P15 stands out as the lightest option for weight, with about a 1% gap from the closest alternative. Acebeam P15 stands out as the cheapest option for retail price, with about a 22% gap from the closest alternative. Streamlight MegaStream USB stands out as the highest output option for max lumens, with about a 6% gap from the closest alternative.
Decision Signals
What stands out
Acebeam P15 stands out as the cheapest option for retail price, with about a 22% gap from the closest alternative.
Streamlight MegaStream USB stands out as the most expensive option for retail price, with about a 29% gap from the closest alternative.
Acebeam P15 stands out as the lightest option for weight, with about a 1% gap from the closest alternative.
Streamlight MegaStream USB stands out as the heaviest option for weight, with about a 1% gap from the closest alternative.
Acebeam P15 stands out as the lowest output option for max lumens, with about a 6% gap from the closest alternative.
Streamlight MegaStream USB stands out as the highest output option for max lumens, with about a 6% gap from the closest alternative.
Streamlight MegaStream USB stands out as the shortest runtime option for max runtime, with about a 98% gap from the closest alternative.
Acebeam P15 stands out as the longest runtime option for max runtime, with about a 6362% 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$115Cheapest
US$148Most expensive
Weight
152 g (5.36 oz)Lightest
153 g (5.40 oz)Heaviest
Length
131 mm (5.16 in)Shortest
134 mm (5.28 in)Longest
Output
Max lumens
1700 lmLowest output
1800 lmHighest output
Max candela
27225 cdHighest candela
26000 cdLowest candela
Beam distance
330 m (1083 ft)Highest
322 m (1056 ft)Lowest
Max runtime
50400 minLongest runtime
780 minShortest runtime
Power & durability
Battery type
1 x 18650 rechargeable lithium ion lithium battery (customized)
SL-B34 rechargeable lithium-ion battery pack
Charging type
Direct charging via included proprietary cable (not USB-C)
USB-C charging port accessible without removing the battery
Rechargeable
Yes
Yes
IP rating
IP68 (2 meters underwater)
IPX7 waterproof to 1m for 30 minutes
Impact resistance
1.5 m (5 ft)Lowest
2 m (7 ft)Highest
Material
7075 aerospace aluminum alloy with HAIII hard anodized anti-abrasive finish
Machined anodized aluminum alloy body with unbreakable polycarbonate lens
Use case profile
Best for
EDC useTactical applicationsWeapon mount compatible (M-LOK and Picatinny)
Everyday carryOutdoor useHigh-lumen requirement
Common praise
High output lumens with efficient long-distance beam (330 meters)Robust and durable construction with aerospace-grade aluminum and hard anodizingModular design allowing quick transition between handheld and rail-mounted configurationsIncludes rechargeable 18650 battery with fast chargingIP68 waterproof rating and good impact resistanceMultiple operational modes with intuitive dual switch interface
Compact size with high outputSmooth and focused beamConvenient USB-C charging without battery removalDurable machined aluminum buildLong runtime on low settings
Common complaints
Uses proprietary charging cable (not USB-C)Charging port not functional during chargingBattery must be charged inside the flashlight onlyOptional tactical accessories may be sold separately
Charging port cover prone to opening accidentallyPocket clip not securely attachedHigh output can be too bright for close work
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