Comparison Console
Acebeam EC50 Gen III vs Streamlight MegaStream USB
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Acebeam EC50 Gen III stands out as the lightest option for weight, with about a 22% gap from the closest alternative. Acebeam EC50 Gen III stands out as the cheapest option for retail price, with about a 12% gap from the closest alternative. Acebeam EC50 Gen III stands out as the highest output option for max lumens, with about a 114% gap from the closest alternative.
Decision Signals
What stands out
Acebeam EC50 Gen III stands out as the cheapest option for retail price, with about a 12% gap from the closest alternative.
Streamlight MegaStream USB stands out as the most expensive option for retail price, with about a 14% gap from the closest alternative.
Acebeam EC50 Gen III stands out as the lightest option for weight, with about a 22% gap from the closest alternative.
Streamlight MegaStream USB stands out as the heaviest option for weight, with about a 28% gap from the closest alternative.
Streamlight MegaStream USB stands out as the lowest output option for max lumens, with about a 53% gap from the closest alternative.
Acebeam EC50 Gen III stands out as the highest output option for max lumens, with about a 114% gap from the closest alternative.
Streamlight MegaStream USB stands out as the shortest runtime option for max runtime, with about a 99% gap from the closest alternative.
Acebeam EC50 Gen III stands out as the longest runtime option for max runtime, with about a 9131% 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$129.9Cheapest
US$148Most expensive
Weight
120 g (4.23 oz)Lightest
153 g (5.40 oz)Heaviest
Length
132 mm (5.20 in)Shortest
134 mm (5.28 in)Longest
Output
Max lumens
3850 lmHighest output
1800 lmLowest output
Max candela
26500 cdHighest candela
26000 cdLowest candela
Beam distance
326 m (1070 ft)Highest
322 m (1056 ft)Lowest
Max runtime
72000 minLongest runtime
780 minShortest runtime
Power & durability
Battery type
1 x 26650 Li-ion rechargeable
SL-B34 rechargeable lithium-ion battery pack
Charging type
USB charging cable included
USB-C charging port accessible without removing the battery
Rechargeable
Yes
Yes
IP rating
IPX8 (2 meters)
IPX7 waterproof to 1m for 30 minutes
Impact resistance
1.2 m (4 ft)Lowest
2 m (7 ft)Highest
Material
Aircraft grade aluminium with premium Type III hard-anodized anti-abrasive finish
Machined anodized aluminum alloy body with unbreakable polycarbonate lens
Use case profile
Best for
Everyday Carry (EDC)HikingCampingOutdoor useProfessional use
Everyday carryOutdoor useHigh-lumen requirement
Common praise
High max output and excellent beam pattern from CREE XHP70.2 LEDCompact size and lightweight design (120g) suitable for everyday carryIntegrated charging and simple UI with side switchGood beam distance and throw for outdoor tasksDurable construction with hard anodized finish
Compact size with high outputSmooth and focused beamConvenient USB-C charging without battery removalDurable machined aluminum buildLong runtime on low settings
Common complaints
No explicit complaints from provided sources
Charging port cover prone to opening accidentallyPocket clip not securely attachedHigh output can be too bright for close work
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