Comparison Console
Acebeam W20 vs Fenix PD40R V2.0
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Fenix PD40R V2.0 stands out as the lightest option for weight, with about a 10% gap from the closest alternative. Fenix PD40R V2.0 stands out as the cheapest option for retail price, with about a 13% gap from the closest alternative. Fenix PD40R V2.0 stands out as the highest output option for max lumens, with about a 400% gap from the closest alternative.
Decision Signals
What stands out
Fenix PD40R V2.0 stands out as the cheapest option for retail price, with about a 13% gap from the closest alternative.
Acebeam W20 stands out as the most expensive option for retail price, with about a 15% gap from the closest alternative.
Fenix PD40R V2.0 stands out as the lightest option for weight, with about a 10% gap from the closest alternative.
Acebeam W20 stands out as the heaviest option for weight, with about a 12% gap from the closest alternative.
Acebeam W20 stands out as the lowest output option for max lumens, with about a 80% gap from the closest alternative.
Fenix PD40R V2.0 stands out as the highest output option for max lumens, with about a 400% gap from the closest alternative.
Acebeam W20 stands out as the shortest runtime option for max runtime, with about a 98% gap from the closest alternative.
Fenix PD40R V2.0 stands out as the longest runtime option for max runtime, with about a 6500% 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$165Cheapest
Weight
130.6 g (4.61 oz)Heaviest
117 g (4.13 oz)Lightest
Length
115.1 mm (4.53 in)Shortest
138 mm (5.43 in)Longest
Output
Max lumens
600 lmLowest output
3000 lmHighest output
Max candela
302500 cdHighest candela
40567 cdLowest candela
Beam distance
1100 m (3609 ft)Highest
405 m (1329 ft)Lowest
Max runtime
80 minShortest runtime
5280 minLongest runtime
Power & durability
Battery type
16340 rechargeable Li-ion (compatible with CR123 primary battery)
1x 21700 rechargeable li-ion battery
Charging type
USB-C (on battery)
USB Type-C
Rechargeable
Yes
Yes
IP rating
IP68
IP68
Impact resistance
1.5 m (5 ft)Highest
1 m (3 ft)Lowest
Material
Aerospace-grade AL6061-T6 aluminum with hard-anodized finish
A6061-T6 aircraft grade aluminium
Use case profile
Best for
Tactical useLong-range spottingClose-range illuminationOutdoor adventuresSearch and rescueEveryday carry
Everyday carry (EDC)Professional useGeneral purpose useInspectionWalking a dogSituations requiring versatile brightness levels
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.
High maximum and sustained brightnessSmooth and easy rotary switch operationGood battery runtime with included 21700 batterySolid build quality with aircraft grade aluminiumIP68 dust and waterproof ratedComes with holster and spare o-rings
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.
Packaging not very stylishNo included AC adapter for chargingRotary switch may require getting used to