Acebeam H17 2.0 stands out as the lightest option for weight, with about a 24% gap from the closest alternative. Nitecore NU33 stands out as the cheapest option for retail price, with about a 17% gap from the closest alternative. Acebeam H17 2.0 stands out as the highest output option for max lumens, with about a 186% gap from the closest alternative.
Decision Signals
What stands out
Cheapest
Nitecore NU33 stands out as the cheapest option for retail price, with about a 17% gap from the closest alternative.
Most expensive
Acebeam H17 2.0 stands out as the most expensive option for retail price, with about a 20% gap from the closest alternative.
Lightest
Acebeam H17 2.0 stands out as the lightest option for weight, with about a 24% gap from the closest alternative.
Heaviest
Nitecore NU33 stands out as the heaviest option for weight, with about a 31% gap from the closest alternative.
Lowest output
Nitecore NU33 stands out as the lowest output option for max lumens, with about a 65% gap from the closest alternative.
Highest output
Acebeam H17 2.0 stands out as the highest output option for max lumens, with about a 186% gap from the closest alternative.
Shortest runtime
Nitecore NU33 stands out as the shortest runtime option for max runtime, with about a 14% gap from the closest alternative.
Longest runtime
Acebeam H17 2.0 stands out as the longest runtime option for max runtime, with about a 16% 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.
✓High CRI 4000K neutral white LEDs provide natural, comfortable light suitable for long use✓Compact and lightweight design (73g) with included rechargeable 18350 battery✓Fast USB-C charging with full charge in about 1 hour✓Multiple modes including six brightness levels, strobe, SOS, beacon, and stepless dimming✓Durable aerospace-grade aluminum body with excellent waterproof and impact resistance✓Convenient magnetic tailcap and versatile clip for many carry options✓Very long runtime in moonlight mode (up to 170 hours)
✓Compact and lightweight design✓Multiple lighting modes with high CRI option✓Long maximum runtime of up to 147 hours on low mode✓USB-C fast charging with approximately 1.5 hours charge time✓Comfortable to wear with adjustable headband and stable fit✓Good quality construction with durable materials✓Lockout mode prevents accidental activation
Common complaints
⚠Turbo runtime on max output limited to about 30 seconds before stepping down⚠No detailed specification for exact switch type in sources⚠Not suitable for users requiring very long maximum output turbo runtime without steps down
⚠Sealed non-user replaceable battery⚠Red mode lacks low output level⚠IP66 rating less than some higher-grade headlamps⚠No PWM in LED driver, but this is generally positive⚠Limited tilt adjustment (only downward about 75 degrees)