Fenix LD20 stands out as the lightest option for weight, with about a 3% gap from the closest alternative. Olight Diffuse stands out as the highest output option for max lumens, with about a 289% gap from the closest alternative. Olight Diffuse stands out as the longest runtime option for max runtime, with about a 8900% gap from the closest alternative.
Decision Signals
What stands out
Lightest
Fenix LD20 stands out as the lightest option for weight, with about a 3% gap from the closest alternative.
Heaviest
Olight Diffuse stands out as the heaviest option for weight, with about a 3% gap from the closest alternative.
Lowest output
Fenix LD20 stands out as the lowest output option for max lumens, with about a 74% gap from the closest alternative.
Highest output
Olight Diffuse stands out as the highest output option for max lumens, with about a 289% gap from the closest alternative.
Shortest runtime
Fenix LD20 stands out as the shortest runtime option for max runtime, with about a 99% gap from the closest alternative.
Longest runtime
Olight Diffuse stands out as the longest runtime option for max runtime, with about a 8900% gap from the closest alternative.
Shortest
Olight Diffuse stands out as the shortest option for length, with about a 45% gap from the closest alternative.
Longest
Fenix LD20 stands out as the longest option for length, with about a 83% 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.
✓Compact and easy to carry✓Wide range of brightness levels✓Digitally regulated brightness✓Uses common AA batteries✓Durable aircraft-grade aluminum body✓Waterproof (IPX-8)
✓Good waterproof rating (IPX8)✓Anti-roll pentagon shape✓Good output and runtime✓Convenient battery with onboard USB-C charging✓Nice e-switch with indicator and lockout
Common complaints
⚠Difficult to operate with gloves⚠Anti-roll design is not perfect⚠9 lumens low mode is too bright for some users
⚠No knurling makes grip less secure⚠Tailcap is small and fiddly to unscrew⚠No built-in charging in flashlight (battery charges externally)⚠Limited documentation on AA battery mode