Comparison Console
Fenix PD36R ACE vs Olight Seeker 4 Pro
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Fenix PD36R ACE stands out as the lightest option for weight, with about a 18% gap from the closest alternative. Olight Seeker 4 Pro stands out as the cheapest option for retail price, with about a 4% gap from the closest alternative. Olight Seeker 4 Pro stands out as the highest output option for max lumens, with about a 53% gap from the closest alternative.
Decision Signals
What stands out
Olight Seeker 4 Pro stands out as the cheapest option for retail price, with about a 4% gap from the closest alternative.
Fenix PD36R ACE stands out as the most expensive option for retail price, with about a 4% gap from the closest alternative.
Fenix PD36R ACE stands out as the lightest option for weight, with about a 18% gap from the closest alternative.
Olight Seeker 4 Pro stands out as the heaviest option for weight, with about a 23% gap from the closest alternative.
Fenix PD36R ACE stands out as the lowest output option for max lumens, with about a 35% gap from the closest alternative.
Olight Seeker 4 Pro stands out as the highest output option for max lumens, with about a 53% gap from the closest alternative.
Olight Seeker 4 Pro stands out as the shortest runtime option for max runtime, with about a 98% gap from the closest alternative.
Fenix PD36R ACE stands out as the longest runtime option for max runtime, with about a 6242% 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$146Most expensive
US$139.99Cheapest
Weight
182 g (6.42 oz)Lightest
223 g (7.87 oz)Heaviest
Length
146 mm (5.75 in)Longest
133 mm (5.24 in)Shortest
Output
Max lumens
3000 lmLowest output
4600 lmHighest output
Max candela
Unknown
16900 cd
Beam distance
415 m (1362 ft)Highest
260 m (853 ft)Lowest
Max runtime
3805 minLongest runtime
60 minShortest runtime
Power & durability
Battery type
One 21700 rechargeable Li-ion battery
21700 rechargeable lithium-ion (proprietary)
Charging type
USB Type-C
USB-C, magnetic (optional MCC3 charger)
Rechargeable
Yes
Yes
IP rating
IP68
IPX8
Impact resistance
Unknown
1.5 m (5 ft)
Material
A6061-T6 aluminum with HAIII hard-anodized finish
Anodized aluminum alloy with rubberized grip
Use case profile
Best for
Users who want high brightness and long beam distanceOutdoor and tactical useUsers who want customizable operation modes
EDC useCampingHikingMaintenanceNight dutyDog walkingEmergencyFlood illuminationTerrain lighting
Common praise
High brightness outputLong beam distanceDurable constructionCustomizable mode settingsConvenient USB-C charging portSolid battery runtime
Bright output with a wide and smooth flood beamConvenient dual charging options including USB-CIntuitive rotary switch with stepless dimmingDurable IPX8 waterproof ratingBuilt-in charging holster with multiple carrying options
Common complaints
No specific complaints noted in source, but weight may be considered heavy for keychain use
Auto-lock feature can be frustrating without holsterWeight may be heavy for some users for pocket carry