Comparison Console
Acebeam X45 vs Fenix LR40R V2.0
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Acebeam X45 stands out as the lightest option for weight, with about a 37% gap from the closest alternative. Acebeam X45 stands out as the cheapest option for retail price, with about a 26% gap from the closest alternative. Acebeam X45 stands out as the highest output option for max lumens, with about a 20% gap from the closest alternative.
Decision Signals
What stands out
Acebeam X45 stands out as the cheapest option for retail price, with about a 26% gap from the closest alternative.
Fenix LR40R V2.0 stands out as the most expensive option for retail price, with about a 34% gap from the closest alternative.
Acebeam X45 stands out as the lightest option for weight, with about a 37% gap from the closest alternative.
Fenix LR40R V2.0 stands out as the heaviest option for weight, with about a 59% gap from the closest alternative.
Fenix LR40R V2.0 stands out as the lowest output option for max lumens, with about a 17% gap from the closest alternative.
Acebeam X45 stands out as the highest output option for max lumens, with about a 20% gap from the closest alternative.
Fenix LR40R V2.0 stands out as the shortest runtime option for max runtime, with about a 100% gap from the closest alternative.
Acebeam X45 stands out as the longest runtime option for max runtime, with about a 56264% 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$234.9Cheapest
US$315.92Most expensive
Weight
535 g (18.87 oz)Lightest
850 g (29.98 oz)Heaviest
Length
156.7 mm (6.17 in)Shortest
175 mm (6.89 in)Longest
Output
Max lumens
18000 lmHighest output
15000 lmLowest output
Max candela
109000 cd
Unknown
Beam distance
660 m (2165 ft)Lowest
900 m (2953 ft)Highest
Max runtime
18600 minLongest runtime
33 minShortest runtime
Power & durability
Battery type
4 x 18650 Lithium-Ion (IMR) batteries
Built-in rechargeable Li-ion battery pack 12000 mAh (or 1 to 4 x 18650 cells)
Charging type
Unknown
USB Type-C fast charging (QC3.0 compatible)
Rechargeable
Unknown
Yes
IP rating
IPX8 (submersible to 2m / 6.6')
IP68
Impact resistance
1.2 m (4 ft)
Unknown
Material
Aircraft grade aluminum with Type III hard-anodized anti-abrasive finish, ultra-clear tempered glass with AR coating, stainless steel crenelated bezel
Unknown
Use case profile
Best for
Search and rescueCampingHuntingSelf-drivingOutdoor illumination
Search and rescueOutdoor contractorsHigh output lighting needsLong-range and wide-area illumination
Common praise
Extremely bright outputDigitally regulated output maintains consistent brightnessDurable build quality with aircraft grade aluminum and toughened glassMulti-mode output including strobe and fireflyLong battery runtimes on lower modes
Excellent brightness and balanced beam for both throw and floodDurable and waterproof design (IP68)Fast USB-C charging and battery level indicatorGood runtime especially on lower modesErgonomic and solid build quality
Common complaints
Can get hot on max output leading to step downHeavy weight for EDC at 535 gramsUser reports of customer service issues with warranty and import duties
Heaviest and largest in its class for EDCHighest output modes are temperature limited with short runtime at max output
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