Comparison Console
Olight Diffuse vs Olight i1R EOS
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Olight i1R EOS stands out as the lightest option for weight, with about a 76% gap from the closest alternative. Olight i1R EOS stands out as the cheapest option for retail price, with about a 46% gap from the closest alternative. Olight Diffuse stands out as the highest output option for max lumens, with about a 367% gap from the closest alternative.
Decision Signals
What stands out
Olight i1R EOS stands out as the cheapest option for retail price, with about a 46% gap from the closest alternative.
Olight Diffuse stands out as the most expensive option for retail price, with about a 84% gap from the closest alternative.
Olight i1R EOS stands out as the lightest option for weight, with about a 76% gap from the closest alternative.
Olight Diffuse stands out as the heaviest option for weight, with about a 323% gap from the closest alternative.
Olight i1R EOS stands out as the lowest output option for max lumens, with about a 79% gap from the closest alternative.
Olight Diffuse stands out as the highest output option for max lumens, with about a 367% gap from the closest alternative.
Olight i1R EOS stands out as the shortest option for length, with about a 48% gap from the closest alternative.
Olight Diffuse stands out as the longest option for length, with about a 93% 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$32.99Most expensive
US$17.95Cheapest
Weight
57.5 g (2.03 oz)Heaviest
13.6 g (0.48 oz)Lightest
Length
87 mm (3.43 in)Longest
45.15 mm (1.78 in)Shortest
Output
Max lumens
700 lmHighest output
150 lmLowest output
Max candela
1700 cdHighest candela
400 cdLowest candela
Beam distance
80 m (262 ft)Highest
40 m (131 ft)Lowest
Max runtime
10800 min
Unknown
Power & durability
Battery type
14500 lithium-ion (also compatible with AA primary or NiMH)
Built-in rechargeable battery
Charging type
USB-C charging via battery
Micro USB
Rechargeable
Yes
Yes
IP rating
IPX8
Unknown
Impact resistance
Unknown
Unknown
Material
Unknown
Aluminum
Use case profile
Best for
EDC useTool kit or toolbox lightUsers needing anti-roll shapeUsers wanting waterproof light
Keychain carryUltra compact everyday carryQuick access lighting
Common praise
Good waterproof rating (IPX8)Anti-roll pentagon shapeGood output and runtimeConvenient battery with onboard USB-C chargingNice e-switch with indicator and lockout
Small and lightweight designSimple twist interfaceUSB rechargeable batteryBright for size (150 lumens max)
Common complaints
No knurling makes grip less secureTailcap is small and fiddly to unscrewNo built-in charging in flashlight (battery charges externally)Limited documentation on AA battery mode
Limited runtime informationLack of advanced modesLow charging current leading to slow recharge
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