← Back

Comparison Console

Acebeam EC50 vs Streamlight PolyTac 90 X USB

EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.

Add gear
Command Brief

Recommended read

Acebeam EC50 stands out as the lightest option for weight, with about a 6% gap from the closest alternative. Streamlight PolyTac 90 X USB stands out as the cheapest option for retail price, with about a 7% gap from the closest alternative. Acebeam EC50 stands out as the highest output option for max lumens, with about a 500% gap from the closest alternative.

Decision Signals

What stands out

Cheapest

Streamlight PolyTac 90 X USB stands out as the cheapest option for retail price, with about a 7% gap from the closest alternative.

Most expensive

Acebeam EC50 stands out as the most expensive option for retail price, with about a 8% gap from the closest alternative.

Lightest

Acebeam EC50 stands out as the lightest option for weight, with about a 6% gap from the closest alternative.

Heaviest

Streamlight PolyTac 90 X USB stands out as the heaviest option for weight, with about a 6% gap from the closest alternative.

Lowest output

Streamlight PolyTac 90 X USB stands out as the lowest output option for max lumens, with about a 83% gap from the closest alternative.

Highest output

Acebeam EC50 stands out as the highest output option for max lumens, with about a 500% gap from the closest alternative.

Shortest runtime

Streamlight PolyTac 90 X USB stands out as the shortest runtime option for max runtime, with about a 100% gap from the closest alternative.

Longest runtime

Acebeam EC50 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.

Acebeam EC50 — Beam distance: 302 m (991 ft)Acebeam EC50 — Max candela: 22800 cdAcebeam EC50 — Weight: 128 g (4.52 oz)Acebeam EC50 — Length: 132 mm (5.20 in)Acebeam EC50 — Retail price: US$136.9Acebeam EC50 — Impact resistance: 1.2 m (4 ft)Streamlight PolyTac 90 X USB — Beam distance: 167 m (548 ft)Streamlight PolyTac 90 X USB — Max candela: 7000 cdStreamlight PolyTac 90 X USB — Weight: 136 g (4.80 oz)Streamlight PolyTac 90 X USB — Length: 112.5 mm (4.43 in)Streamlight PolyTac 90 X USB — Retail price: US$127Streamlight PolyTac 90 X USB — Impact resistance: 2 m (7 ft)Beam distanceMax candelaWeightLengthRetail priceImpact resistance
Price & carry
Retail price
US$136.9Most expensive
US$127Cheapest
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
26650 rechargeable Li-ion
SL-B26 rechargeable Li-Ion USB battery pack; also accepts CR123A lithium batteries
Charging type
Micro-USB wired charging, 2A current
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, Type III hard-anodized finish, toughened ultra-clear glass lens with anti-reflective coating
High-impact, super-tough nylon polymer
Use case profile
Best for
Everyday carryOutdoor useProfessional use
Right-angle flashlight useHands-free lighting when attached to gearProfessional, industrial, and outdoor tasks
Common praise
High maximum output of 3000 lumensLong maximum runtime up to 900 hours on lowest settingIntegrated fast 2A USB chargingCompact and lightweight design at 128g (without battery)Good beam distance of 302 metersDurable construction with aircraft grade aluminum and waterproof to IPX8Smooth floody beam and well-regulated output
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
Standby current causes some battery drainMode cycling speed slower compared to some competitorsLow voltage cutoff set somewhat low risking battery stress if over-drainedSometimes side switch is sensitive causing unintended clicks
No information on complaints in available sources