Comparison Console
Olight i5R EOS vs Wurkkos WK03 SST40
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Wurkkos WK03 SST40 stands out as the lightest option for weight, with about a 8% gap from the closest alternative. Wurkkos WK03 SST40 stands out as the cheapest option for retail price, with about a 62% gap from the closest alternative. Wurkkos WK03 SST40 stands out as the highest output option for max lumens, with about a 414% gap from the closest alternative.
Decision Signals
What stands out
Wurkkos WK03 SST40 stands out as the cheapest option for retail price, with about a 62% gap from the closest alternative.
Olight i5R EOS stands out as the most expensive option for retail price, with about a 167% gap from the closest alternative.
Wurkkos WK03 SST40 stands out as the lightest option for weight, with about a 8% gap from the closest alternative.
Olight i5R EOS stands out as the heaviest option for weight, with about a 9% gap from the closest alternative.
Olight i5R EOS stands out as the lowest output option for max lumens, with about a 81% gap from the closest alternative.
Wurkkos WK03 SST40 stands out as the highest output option for max lumens, with about a 414% gap from the closest alternative.
Wurkkos WK03 SST40 stands out as the shortest runtime option for max runtime, with about a 38% gap from the closest alternative.
Olight i5R EOS stands out as the longest runtime option for max runtime, with about a 61% 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$39.95Most expensive
US$14.99Cheapest
Weight
60 g (2.12 oz)Heaviest
55 g (1.94 oz)Lightest
Length
95.4 mm (3.76 in)Shortest
101.5 mm (4.00 in)Longest
Output
Max lumens
350 lmLowest output
1800 lmHighest output
Max candela
1247 cdLowest candela
15238 cdHighest candela
Beam distance
70.6 m (232 ft)Lowest
247 m (810 ft)Highest
Max runtime
2220 minLongest runtime
1380 minShortest runtime
Power & durability
Battery type
Custom 2.4V rechargeable lithium-ion cell (called "14500" but non-standard)
18650 lithium-ion
Charging type
USB Type-C
USB Type-C
Rechargeable
Yes
Yes
IP rating
IPX8
IP68
Impact resistance
Unknown
Unknown
Material
Aerospace grade aluminum alloy
Unknown
Use case profile
Best for
EDCUsers wanting a dual-chemistry cell flashlightThose appreciating unique plum color
Everyday carryCampingHiking
Common praise
Unique plum color with attractive finishCompact size for everyday carrySolid light performance up to 350 lumensIncludes custom rechargeable 2.4V lithium-ion cell and USB-C charging
Affordable price point for a fully featured 18650 EDC flashlightGood build quality with included accessoriesUSB-C charging with integrated charging indicatorBright output with decent beam throw for size
Common complaints
Included specialized 2.4V cell not compatible with standard 14500 chargers or batteriesSpring edge can snag battery when screwing on tailcap without modification
Low CRI around 70PWM in all modes which may cause flickerAccidental activation possible due to small protruding switchSharp cooling fins can be uncomfortable to holdLimited information on impact resistance
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