Comparison Console
Acebeam UC3A vs Sofirn SC31B
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Sofirn SC31B stands out as the lightest option for weight, with about a 6% gap from the closest alternative. Acebeam UC3A stands out as the cheapest option for retail price, with about a 10% gap from the closest alternative. Sofirn SC31B stands out as the highest output option for max lumens, with about a 11% gap from the closest alternative.
Decision Signals
What stands out
Acebeam UC3A stands out as the cheapest option for retail price, with about a 10% gap from the closest alternative.
Sofirn SC31B stands out as the most expensive option for retail price, with about a 12% gap from the closest alternative.
Sofirn SC31B stands out as the lightest option for weight, with about a 6% gap from the closest alternative.
Acebeam UC3A stands out as the heaviest option for weight, with about a 7% gap from the closest alternative.
Acebeam UC3A stands out as the lowest output option for max lumens, with about a 10% gap from the closest alternative.
Sofirn SC31B stands out as the highest output option for max lumens, with about a 11% gap from the closest alternative.
Acebeam UC3A stands out as the shortest runtime option for max runtime, with about a 34% gap from the closest alternative.
Sofirn SC31B stands out as the longest runtime option for max runtime, with about a 51% 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$34.9Cheapest
US$38.95Most expensive
Weight
63 g (2.22 oz)Heaviest
59 g (2.08 oz)Lightest
Length
71.5 mm (2.81 in)Shortest
117.5 mm (4.63 in)Longest
Output
Max lumens
900 lmLowest output
1000 lmHighest output
Max candela
1806 cdLowest candela
10750 cdHighest candela
Beam distance
85 m (279 ft)Lowest
207 m (679 ft)Highest
Max runtime
3180 minShortest runtime
4800 minLongest runtime
Power & durability
Battery type
10440 USB-C rechargeable Li-ion; also compatible with AAA battery
18650 rechargeable lithium-ion
Charging type
USB-C charging for included 10440 battery
Micro USB
Rechargeable
Yes
Yes
IP rating
IP68
Unknown
Impact resistance
1.5 m (5 ft)
Unknown
Material
Aerospace-grade AL6061-T6 aluminum with hard-anodized finish
6061 Aluminum Alloy
Use case profile
Best for
Everyday carry (EDC)Keychain carryCampingSignalingEmergency kitsBackup flashlight useDog walkingBag or glove box carry
Everyday carry (EDC)Home useOutdoor activities such as camping, hiking, caving, dog walking, fishing
Common praise
Compact and lightweight design (63g)High maximum brightness (900 lumens) for sizeVersatile RGB side light with multiple colors and modesDual switches for main and auxiliary lightsUSB-C rechargeable included 10440 battery with AAA compatibilityDurable aerospace-grade aluminum body with IP68 ratingMagnetic tailcap for hands-free useLong runtime on lower modesWide 270° beam angle on side RGB light
Good value budget lightUSB charging includedStrong pocket clipSimple and easy user interfaceSolid build quality with anodised finish and gold plated springs
Common complaints
Limited runtime at highest brightness due to step-downMain LEDs have low CRI (~70)Cannot use main and side lights simultaneouslySwitches have a slightly 'dead' feel in the middleNo mode memory for moonlight, turbo, and strobe modes
No dedicated ultra-low moonlight modeMode memory can be inconvenient to access lowest modesClip is not reversible and protrudes beyond light lengthMicro USB instead of USB-C chargingNo lanyard included in some packages
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