Comparison Console
Acebeam D30 vs Streamlight Knucklehead
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Acebeam D30 stands out as the lightest option for weight, with about a 21% gap from the closest alternative. Streamlight Knucklehead stands out as the cheapest option for retail price, with about a 12% gap from the closest alternative. Acebeam D30 stands out as the highest output option for max lumens, with about a 2700% gap from the closest alternative.
Decision Signals
What stands out
Streamlight Knucklehead stands out as the cheapest option for retail price, with about a 12% gap from the closest alternative.
Acebeam D30 stands out as the most expensive option for retail price, with about a 14% gap from the closest alternative.
Acebeam D30 stands out as the lightest option for weight, with about a 21% gap from the closest alternative.
Streamlight Knucklehead stands out as the heaviest option for weight, with about a 27% gap from the closest alternative.
Streamlight Knucklehead stands out as the lowest output option for max lumens, with about a 96% gap from the closest alternative.
Acebeam D30 stands out as the highest output option for max lumens, with about a 2700% gap from the closest alternative.
Acebeam D30 stands out as the shortest runtime option for max runtime, with about a 99% gap from the closest alternative.
Streamlight Knucklehead stands out as the longest runtime option for max runtime, with about a 9500% 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$189.9Most expensive
US$166.73Cheapest
Weight
517 g (18.24 oz)Lightest
655 g (23.10 oz)Heaviest
Length
267.9 mm (10.55 in)Longest
234 mm (9.21 in)Shortest
Output
Max lumens
5600 lmHighest output
200 lmLowest output
Max candela
528529 cdHighest candela
1150 cdLowest candela
Beam distance
1454 m (4770 ft)
Unknown
Max runtime
300 minShortest runtime
28800 minLongest runtime
Power & durability
Battery type
2 x 21700 rechargeable USB-C batteries
Rechargeable NiCd battery pack or 4 AA alkaline batteries
Charging type
USB Type-C
AC and DC fast chargers, universal steady charger optional
Rechargeable
Yes
Yes
IP rating
Unknown
IPX4
Impact resistance
1.5 m (5 ft)Lowest
2 m (7 ft)Highest
Material
AL6061-T6 aerospace-grade aluminum alloy with hard anodization
High impact super tough nylon polymer
Use case profile
Best for
Professional deep-sea divingUnderwater marine explorationNavigating murky waters
Work site illuminationProfessional use in emergency services
Common praise
High brightness with focused beam for underwater useLong maximum runtime with battery swap capabilityDurable, corrosion-resistant design suitable for saltwaterIntuitive side switch allows easy one-handed operationWaterproof with triple o-rings and 1.5m impact resistance
Bright 200 lumens with regulated intensityMultiple lighting modes including moonlight for extended runtimeDurable, impact and water resistant designRemovable strong magnet for hands-free use
Common complaints
Mostly specialized for diving; less suited as general EDC flashlight
No charger included with this specific purchase option