Acebeam L16 stands out as the lightest option for weight, with about a 2% gap from the closest alternative. Acebeam L16 stands out as the highest output option for max lumens, with about a 100% gap from the closest alternative. ThruNite TN4A HI stands out as the longest runtime option for max runtime, with about a 272% gap from the closest alternative.
Decision Signals
What stands out
Lightest
Acebeam L16 stands out as the lightest option for weight, with about a 2% gap from the closest alternative.
Heaviest
ThruNite TN4A HI stands out as the heaviest option for weight, with about a 2% gap from the closest alternative.
Lowest output
ThruNite TN4A HI stands out as the lowest output option for max lumens, with about a 50% gap from the closest alternative.
Highest output
Acebeam L16 stands out as the highest output option for max lumens, with about a 100% gap from the closest alternative.
Shortest runtime
Acebeam L16 stands out as the shortest runtime option for max runtime, with about a 73% gap from the closest alternative.
Longest runtime
ThruNite TN4A HI stands out as the longest runtime option for max runtime, with about a 272% gap from the closest alternative.
Shortest
ThruNite TN4A HI stands out as the shortest option for length, with about a 27% gap from the closest alternative.
Longest
Acebeam L16 stands out as the longest option for length, with about a 37% 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.
21700 rechargeable lithium-ion (included); also supports 2x CR123A batteries (do not charge CR123A inside light)
4 x AA batteries (NiMH 2450mAh)
Charging type
USB-C (supports use while charging)
Unknown
Rechargeable
Yes
Yes
IP rating
IP68
IPX-8 (1.5 meters)
Impact resistance
1.5 m (5 ft)Lowest
2 m (7 ft)Highest
Material
A6061-T6 high-quality aluminum alloy with HAIII hard-anodized anti-abrasive and corrosion-resistant finish
Aircraft grade aluminum with type III hard anodized finish
Use case profile
Best for
▣Tactical use▣Professional and outdoor applications▣Long-range illumination▣Search and rescue
▣Extended throw distance▣Compact AA powered flashlight▣Users needing economical and readily available battery options
Common praise
✓High build quality and durable construction✓Powerful maximum output and long beam distance✓Convenient USB-C charging with simultaneous use✓Versatile dual-switch interface for tactical and general use✓Includes high capacity rechargeable 21700 battery
✓Compact size with large diameter tube for grip comfort✓Powerful long throw comparable to larger lights✓Smooth anodizing and high build quality✓Good runtime on NiMH batteries✓Clear AR coated tempered glass lens✓Intelligent thermal control to prevent overheating
Common complaints
⚠Turbo mode can cause significant heat during extended runtime⚠Side switch disabled in turbo mode may complicate some operations
⚠No batteries included⚠No built-in rechargeable battery or charging port⚠Standard side switch UI can be slightly unintuitive