Comparison Console
Acebeam TAC AA vs Olight Diffuse
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 24% gap from the closest alternative. Olight Diffuse stands out as the cheapest option for retail price, with about a 17% gap from the closest alternative. Acebeam TAC AA stands out as the highest output option for max lumens, with about a 43% gap from the closest alternative.
Decision Signals
What stands out
Olight Diffuse stands out as the cheapest option for retail price, with about a 17% gap from the closest alternative.
Acebeam TAC AA stands out as the most expensive option for retail price, with about a 21% gap from the closest alternative.
Olight Diffuse stands out as the lightest option for weight, with about a 24% gap from the closest alternative.
Acebeam TAC AA stands out as the heaviest option for weight, with about a 31% gap from the closest alternative.
Olight Diffuse stands out as the lowest output option for max lumens, with about a 30% gap from the closest alternative.
Acebeam TAC AA stands out as the highest output option for max lumens, with about a 43% gap from the closest alternative.
Acebeam TAC AA stands out as the shortest runtime option for max runtime, with about a 68% gap from the closest alternative.
Olight Diffuse stands out as the longest runtime option for max runtime, with about a 210% 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$39.9Most expensive
US$32.99Cheapest
Weight
75.4 g (2.66 oz)Heaviest
57.5 g (2.03 oz)Lightest
Length
104.6 mm (4.12 in)Longest
87 mm (3.43 in)Shortest
Output
Max lumens
1000 lmHighest output
700 lmLowest output
Max candela
19600 cdHighest candela
1700 cdLowest candela
Beam distance
280 m (919 ft)Highest
80 m (262 ft)Lowest
Max runtime
3480 minShortest runtime
10800 minLongest runtime
Power & durability
Battery type
1 x 14500 rechargeable lithium-ion battery included, compatible with AA alkaline or NiMH batteries
14500 lithium-ion (also compatible with AA primary or NiMH)
Charging type
USB-C charging on included battery (not built into flashlight)
USB-C charging via battery
Rechargeable
Yes
Yes
IP rating
IP68
IPX8
Impact resistance
1.5 m (5 ft)
Unknown
Material
Anodized aircraft aluminum (AL6061-T6), scratch-resistant polycarbonate lens
Unknown
Use case profile
Best for
Everyday carryTactical useEDCSituations requiring compact, bright flashlight with dual fuel compatibility
EDC useTool kit or toolbox lightUsers needing anti-roll shapeUsers wanting waterproof light
Common praise
Compact and lightweightHigh brightness for sizeDurable and well-builtDual fuel compatibility (14500 and AA)Good waterproof rating (IP68)Easy-to-use tail clicky switch with memory function
Good waterproof rating (IPX8)Anti-roll pentagon shapeGood output and runtimeConvenient battery with onboard USB-C chargingNice e-switch with indicator and lockout
Common complaints
No integrated charging port on the flashlight body (charging is on battery only)Turbo mode has limited durationSwitch boot can be slightly wobbly when tail standingUses PWM in all modes which might be noticeable to some users
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