Comparison Console
Acebeam W20 vs Nitecore P20i
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Nitecore P20i stands out as the lightest option for weight, with about a 5% gap from the closest alternative. Nitecore P20i stands out as the cheapest option for retail price, with about a 39% gap from the closest alternative. Nitecore P20i stands out as the highest output option for max lumens, with about a 200% gap from the closest alternative.
Decision Signals
What stands out
Nitecore P20i stands out as the cheapest option for retail price, with about a 39% gap from the closest alternative.
Acebeam W20 stands out as the most expensive option for retail price, with about a 64% gap from the closest alternative.
Nitecore P20i stands out as the lightest option for weight, with about a 5% gap from the closest alternative.
Acebeam W20 stands out as the heaviest option for weight, with about a 5% gap from the closest alternative.
Acebeam W20 stands out as the lowest output option for max lumens, with about a 67% gap from the closest alternative.
Nitecore P20i stands out as the highest output option for max lumens, with about a 200% gap from the closest alternative.
Acebeam W20 stands out as the shortest runtime option for max runtime, with about a 96% gap from the closest alternative.
Nitecore P20i stands out as the longest runtime option for max runtime, with about a 2750% 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$116Cheapest
Weight
130.6 g (4.61 oz)Heaviest
124 g (4.37 oz)Lightest
Length
115.1 mm (4.53 in)Shortest
151 mm (5.94 in)Longest
Output
Max lumens
600 lmLowest output
1800 lmHighest output
Max candela
302500 cdHighest candela
28500 cdLowest candela
Beam distance
1100 m (3609 ft)Highest
337 m (1106 ft)Lowest
Max runtime
80 minShortest runtime
2280 minLongest runtime
Power & durability
Battery type
16340 rechargeable Li-ion (compatible with CR123 primary battery)
Rechargeable 21700 Li-ion battery (Nitecore 21700 i-series NL2140i 4000mAh)
Charging type
USB-C (on battery)
USB Type-C
Rechargeable
Yes
Yes
IP rating
IP68
IP68 (waterproof, submersible up to 2 meters)
Impact resistance
1.5 m (5 ft)Lowest
2 m (7 ft)Highest
Material
Aerospace-grade AL6061-T6 aluminum with hard-anodized finish
Aluminum
Use case profile
Best for
Tactical useLong-range spottingClose-range illuminationOutdoor adventuresSearch and rescueEveryday carry
HuntingLaw EnforcementMilitaryProfessional inspection and detectionOutdoor activitiesEDC tactical use
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.
High brightness suitable for tactical and outdoor useDual white and UV light for detection and inspectionRechargeable with USB-C and included 21700 batteryCompact yet robust build with aircraft-grade aluminumGood impact resistance and waterproof rating
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.
Relatively heavy and large for pocket EDCHigher price point compared to basic modelsMight have complex modes for casual users
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