Comparison Console
Acebeam W20 vs Streamlight MegaStream USB
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Acebeam W20 stands out as the lightest option for weight, with about a 15% gap from the closest alternative. Streamlight MegaStream USB 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 200% gap from the closest alternative.
Decision Signals
What stands out
Streamlight MegaStream USB stands out as the cheapest option for retail price, with about a 22% gap from the closest alternative.
Acebeam W20 stands out as the most expensive option for retail price, with about a 28% gap from the closest alternative.
Acebeam W20 stands out as the lightest option for weight, with about a 15% gap from the closest alternative.
Streamlight MegaStream USB stands out as the heaviest option for weight, with about a 17% gap from the closest alternative.
Acebeam W20 stands out as the lowest output option for max lumens, with about a 67% gap from the closest alternative.
Streamlight MegaStream USB stands out as the highest output option for max lumens, with about a 200% gap from the closest alternative.
Acebeam W20 stands out as the shortest runtime option for max runtime, with about a 90% gap from the closest alternative.
Streamlight MegaStream USB stands out as the longest runtime option for max runtime, with about a 875% 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$189.9Most expensive
US$148Cheapest
Weight
130.6 g (4.61 oz)Lightest
153 g (5.40 oz)Heaviest
Length
115.1 mm (4.53 in)Shortest
134 mm (5.28 in)Longest
Output
Max lumens
600 lmLowest output
1800 lmHighest output
Max candela
302500 cdHighest candela
26000 cdLowest candela
Beam distance
1100 m (3609 ft)Highest
322 m (1056 ft)Lowest
Max runtime
80 minShortest runtime
780 minLongest runtime
Power & durability
Battery type
16340 rechargeable Li-ion (compatible with CR123 primary battery)
SL-B34 rechargeable lithium-ion battery pack
Charging type
USB-C (on battery)
USB-C charging port accessible without removing the battery
Rechargeable
Yes
Yes
IP rating
IP68
IPX7 waterproof to 1m for 30 minutes
Impact resistance
1.5 m (5 ft)Lowest
2 m (7 ft)Highest
Material
Aerospace-grade AL6061-T6 aluminum with hard-anodized finish
Machined anodized aluminum alloy body with unbreakable polycarbonate lens
Use case profile
Best for
Tactical UseLong Range SpottingClose Range IlluminationOutdoor AdventuresSearch And RescueEveryday Carry
Everyday CarryOutdoor UseHigh Lumen Requirement
Common praise
Compact Size With Excellent Long Range Performance.Wide Angle Spill Solves Close Range Illumination Issues Common In Lep Lights.Durable Build With Ip68 Rating And Good Drop Resistance.Intuitive Dual Switch Interface For Fast Operation.Rechargeable Battery With USB C Charging On The Cell.
Compact Size With High OutputSmooth And Focused BeamConvenient USB C Charging Without Battery RemovalDurable Machined Aluminum BuildLong Runtime On Low Settings
Common complaints
Limited Runtime At Maximum Output (20 Seconds Before Step Down).Battery Charging Requires Removing The Cell Due To USB C Port On Battery Itself.Some Complexity In Controlling Modes Due To Dual Switch Design.
Charging Port Cover Prone To Opening AccidentallyPocket Clip Not Securely AttachedHigh Output Can Be Too Bright For Close Work
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