Comparison Console
Acebeam EC50 Gen II vs Streamlight PolyTac 90
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Acebeam EC50 Gen II stands out as the lightest option for weight, with about a 6% gap from the closest alternative. Streamlight PolyTac 90 stands out as the cheapest option for retail price, with about a 18% gap from the closest alternative. Acebeam EC50 Gen II stands out as the highest output option for max lumens, with about a 500% gap from the closest alternative.
Decision Signals
What stands out
Streamlight PolyTac 90 stands out as the cheapest option for retail price, with about a 18% gap from the closest alternative.
Acebeam EC50 Gen II stands out as the most expensive option for retail price, with about a 23% gap from the closest alternative.
Acebeam EC50 Gen II stands out as the lightest option for weight, with about a 6% gap from the closest alternative.
Streamlight PolyTac 90 stands out as the heaviest option for weight, with about a 6% gap from the closest alternative.
Streamlight PolyTac 90 stands out as the lowest output option for max lumens, with about a 83% gap from the closest alternative.
Acebeam EC50 Gen II stands out as the highest output option for max lumens, with about a 500% gap from the closest alternative.
Streamlight PolyTac 90 stands out as the shortest runtime option for max runtime, with about a 100% gap from the closest alternative.
Acebeam EC50 Gen II stands out as the longest runtime option for max runtime, with about a 23900% 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$119Most expensive
US$96.99Cheapest
Weight
128 g (4.52 oz)Lightest
136 g (4.80 oz)Heaviest
Length
132 mm (5.20 in)Longest
112.5 mm (4.43 in)Shortest
Output
Max lumens
3000 lmHighest output
500 lmLowest output
Max candela
22800 cdHighest candela
7000 cdLowest candela
Beam distance
302 m (991 ft)Highest
167 m (548 ft)Lowest
Max runtime
54000 minLongest runtime
225 minShortest runtime
Power & durability
Battery type
1*26650 rechargeable Li-ion
1x Streamlight SL-B26 Li-Ion USB rechargeable battery pack or 2x CR123A lithium batteries
Charging type
Micro-USB
USB rechargeable
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, Type III hard-anodized finish, toughened ultra-clear glass lens with anti-reflective coating
High-impact, super-tough nylon polymer with textured grip
Use case profile
Best for
Compact EDC with high outputClose to 3000 lumens outputGood runtimeComfortable to holdOutdoor and home use
Industrial useEmergency respondersHands-free lighting with clipWear on gear, belts, or vests during work
Common praise
Very high output and brightnessBest UI and mode spacing among competitorsComfortable to hold and useDigitally regulated output for consistent brightnessGood beam profile balancing throw and floodIncludes convenient Moon Low modeWell made with quality materials
Versatile multi-fuel capabilityRugged and durable constructionEffective hands-free use with clip and carabiner D-ringGood brightness with balanced beam pattern
Common complaints
Slight pause between modes when cycling throughHolster is large and bulky relative to the flashlight
Relatively short max runtime on highest mode with CR123A batteriesNo specific complaints clearly stated in source
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