Comparison Console
Acebeam EC50 Gen III vs Streamlight PolyTac 90 X 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 12% gap from the closest alternative. Streamlight PolyTac 90 X USB stands out as the cheapest option for retail price, with about a 2% gap from the closest alternative. Acebeam EC50 Gen III stands out as the highest output option for max lumens, with about a 670% gap from the closest alternative.
Decision Signals
What stands out
Streamlight PolyTac 90 X USB stands out as the cheapest option for retail price, with about a 2% gap from the closest alternative.
Acebeam EC50 Gen III stands out as the most expensive option for retail price, with about a 2% gap from the closest alternative.
Acebeam EC50 Gen III stands out as the lightest option for weight, with about a 12% gap from the closest alternative.
Streamlight PolyTac 90 X USB stands out as the heaviest option for weight, with about a 13% gap from the closest alternative.
Streamlight PolyTac 90 X USB stands out as the lowest output option for max lumens, with about a 87% gap from the closest alternative.
Acebeam EC50 Gen III stands out as the highest output option for max lumens, with about a 670% gap from the closest alternative.
Streamlight PolyTac 90 X USB stands out as the shortest runtime option for max runtime, with about a 100% gap from the closest alternative.
Acebeam EC50 Gen III stands out as the longest runtime option for max runtime, with about a 31900% 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$129.9Most expensive
US$127Cheapest
Weight
120 g (4.23 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
3850 lmHighest output
500 lmLowest output
Max candela
26500 cdHighest candela
7000 cdLowest candela
Beam distance
326 m (1070 ft)Highest
167 m (548 ft)Lowest
Max runtime
72000 minLongest runtime
225 minShortest runtime
Power & durability
Battery type
1 x 26650 Li-ion rechargeable
SL-B26 rechargeable Li-Ion USB battery pack; also accepts CR123A lithium batteries
Charging type
USB charging cable included
USB rechargeable
Rechargeable
Yes
Yes
IP rating
IPX8 (2 meters)
IPX7
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
High-impact, super-tough nylon polymer
Use case profile
Best for
Everyday Carry (EDC)HikingCampingOutdoor useProfessional use
Right-angle flashlight useHands-free lighting when attached to gearProfessional, industrial, and outdoor tasks
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
Bright 500 lumen output with balanced beamRugged and waterproof designConvenient USB rechargeable battery and multi-fuel capabilityHands-free use with clip and D-ring attachment
Common complaints
No explicit complaints from provided sources
No information on complaints in available sources
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