Comparison Console
Fenix PD36R Pro vs Olight Seeker 4 Pro
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Fenix PD36R Pro stands out as the lightest option for weight, with about a 24% gap from the closest alternative. Olight Seeker 4 Pro stands out as the cheapest option for retail price. Olight Seeker 4 Pro stands out as the highest output option for max lumens, with about a 64% gap from the closest alternative.
Decision Signals
What stands out
Olight Seeker 4 Pro stands out as the cheapest option for retail price.
Fenix PD36R Pro stands out as the most expensive option for retail price.
Fenix PD36R Pro stands out as the lightest option for weight, with about a 24% gap from the closest alternative.
Olight Seeker 4 Pro stands out as the heaviest option for weight, with about a 32% gap from the closest alternative.
Fenix PD36R Pro stands out as the lowest output option for max lumens, with about a 39% gap from the closest alternative.
Olight Seeker 4 Pro stands out as the highest output option for max lumens, with about a 64% 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 Pro stands out as the longest runtime option for max runtime, with about a 4100% 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$140Most expensive
US$139.99Cheapest
Weight
169 g (5.96 oz)Lightest
223 g (7.87 oz)Heaviest
Length
145.8 mm (5.74 in)Longest
133 mm (5.24 in)Shortest
Output
Max lumens
2800 lmLowest output
4600 lmHighest output
Max candela
36600 cdHighest candela
16900 cdLowest candela
Beam distance
381 m (1250 ft)Highest
260 m (853 ft)Lowest
Max runtime
2520 minLongest runtime
60 minShortest runtime
Power & durability
Battery type
21700 rechargeable Li-ion
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
1.5 m (5 ft)
1.5 m (5 ft)
Material
High-strength aluminum
Anodized aluminum alloy with rubberized grip
Use case profile
Best for
Tactical useLaw enforcementOutdoor adventureProfessional applications
EDC useCampingHikingMaintenanceNight dutyDog walkingEmergencyFlood illuminationTerrain lighting
Common praise
Very bright 2800 lumens outputRobust build quality with IP68 ratingConvenient USB-C chargingTactical dual tail switch usabilityLong battery runtime up to 42 hours
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
None clearly stated in sources
Auto-lock feature can be frustrating without holsterWeight may be heavy for some users for pocket carry