Comparison Console
Acebeam W20 vs Nitecore SRT6i
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Acebeam W20 stands out as the lightest option for weight, with about a 22% gap from the closest alternative. Nitecore SRT6i stands out as the cheapest option for retail price, with about a 23% gap from the closest alternative. Nitecore SRT6i stands out as the highest output option for max lumens, with about a 250% gap from the closest alternative.
Decision Signals
What stands out
Nitecore SRT6i stands out as the cheapest option for retail price, with about a 23% gap from the closest alternative.
Acebeam W20 stands out as the most expensive option for retail price, with about a 31% gap from the closest alternative.
Acebeam W20 stands out as the lightest option for weight, with about a 22% gap from the closest alternative.
Nitecore SRT6i stands out as the heaviest option for weight, with about a 28% gap from the closest alternative.
Acebeam W20 stands out as the lowest output option for max lumens, with about a 71% gap from the closest alternative.
Nitecore SRT6i stands out as the highest output option for max lumens, with about a 250% gap from the closest alternative.
Acebeam W20 stands out as the shortest runtime option for max runtime, with about a 98% gap from the closest alternative.
Nitecore SRT6i stands out as the longest runtime option for max runtime, with about a 5150% 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$145.49Cheapest
Weight
130.6 g (4.61 oz)Lightest
167 g (5.89 oz)Heaviest
Length
115.1 mm (4.53 in)Shortest
163 mm (6.42 in)Longest
Output
Max lumens
600 lmLowest output
2100 lmHighest output
Max candela
302500 cdHighest candela
65200 cdLowest candela
Beam distance
1100 m (3609 ft)Highest
510 m (1673 ft)Lowest
Max runtime
80 minShortest runtime
4200 minLongest runtime
Power & durability
Battery type
16340 rechargeable Li-ion (compatible with CR123 primary battery)
1x21700i Li-ion (NL2150HPi 5000mAh), 2xCR123, 2xRCR123/16340
Charging type
USB-C (on battery)
USB Type-C
Rechargeable
Yes
Yes
IP rating
IP68
IP68
Impact resistance
1.5 m (5 ft)Lowest
2 m (7 ft)Highest
Material
Aerospace-grade AL6061-T6 aluminum with hard-anodized finish
Aero grade aluminum alloy with HA III military grade hard-anodized finish; strike bezel with high strength silicon nitride ceramics
Use case profile
Best for
Tactical useLong-range spottingClose-range illuminationOutdoor adventuresSearch and rescueEveryday carry
Tactical useLong range searchlightLaw enforcementHunting
Common praise
Compact size with excellent long-range performance.Wide-angle spill solves close-range illumination issues common in LEP lights.Durable build with IP68 rating and good drop resistance.Intuitive dual-switch interface for fast operation.Rechargeable battery with USB-C charging on the cell.
Intuitive no-nonsense user interface with rotary selector ringImpressive long throw and beam intensitySolid build quality with durable materialsIntegrated USB-C charging with included proprietary batteryTactical features such as strobe ready mode and lockout
Common complaints
Limited runtime at maximum output (20 seconds before step-down).Battery charging requires removing the cell due to USB-C port on battery itself.Some complexity in controlling modes due to dual-switch design.
Large head size makes pocket carry inconvenientRequires proprietary battery which limits standard battery use
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