Comparison Console
Olight Diffuse vs Sofirn SC31T
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Olight Diffuse stands out as the lightest option for weight, with about a 14% gap from the closest alternative. Sofirn SC31T stands out as the cheapest option for retail price, with about a 6% gap from the closest alternative. Sofirn SC31T stands out as the highest output option for max lumens, with about a 186% gap from the closest alternative.
Decision Signals
What stands out
Sofirn SC31T stands out as the cheapest option for retail price, with about a 6% gap from the closest alternative.
Olight Diffuse stands out as the most expensive option for retail price, with about a 6% gap from the closest alternative.
Olight Diffuse stands out as the lightest option for weight, with about a 14% gap from the closest alternative.
Sofirn SC31T stands out as the heaviest option for weight, with about a 17% gap from the closest alternative.
Olight Diffuse stands out as the lowest output option for max lumens, with about a 65% gap from the closest alternative.
Sofirn SC31T stands out as the highest output option for max lumens, with about a 186% gap from the closest alternative.
Sofirn SC31T stands out as the shortest runtime option for max runtime, with about a 96% gap from the closest alternative.
Olight Diffuse stands out as the longest runtime option for max runtime, with about a 2300% 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$31Cheapest
Weight
57.5 g (2.03 oz)Lightest
67 g (2.36 oz)Heaviest
Length
87 mm (3.43 in)Shortest
125.5 mm (4.94 in)Longest
Output
Max lumens
700 lmLowest output
2000 lmHighest output
Max candela
1700 cdLowest candela
14832 cdHighest candela
Beam distance
80 m (262 ft)Lowest
210 m (689 ft)Highest
Max runtime
10800 minLongest runtime
450 minShortest runtime
Power & durability
Battery type
14500 lithium-ion (also compatible with AA primary or NiMH)
18650 lithium-ion rechargeable
Charging type
USB-C charging via battery
USB Type-C
Rechargeable
Yes
Yes
IP rating
IPX8
IPX8
Impact resistance
Unknown
2 m (7 ft)
Material
Unknown
Aluminum
Use case profile
Best for
EDC useTool kit or toolbox lightUsers needing anti-roll shapeUsers wanting waterproof light
Everyday carry (EDC)Tactical useEmergency preparednessOutdoor activities like camping and hikingUsers wanting USB-C rechargeable flashlight
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
High output of 2000 lumens and good beam throw (~210m)Dual switch UI with tactical tailclicky and side mode switchUSB-C onboard charging with included 18650 batteryComprehensive accessory kit including holster, diffuser, and lanyardGood build quality and knurling for gripAttractive value for the performance
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
Slightly lower output measured vs manufacturer claim (~1700 lumens)Pocket clip is friction fit and only attaches at one positionPWM is present in most modes though at a fast frequencyBuild quality reflects budget price pointSome users may prefer Anduril UI on other Sofirn models
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