Fenix TK21R stands out as the lightest option for weight, with about a 2% gap from the closest alternative. Fenix TK21R stands out as the cheapest option for retail price, with about a 35% gap from the closest alternative. Fenix TK21R stands out as the longest runtime option for max runtime, with about a 32% gap from the closest alternative.
Decision Signals
What stands out
Cheapest
Fenix TK21R stands out as the cheapest option for retail price, with about a 35% gap from the closest alternative.
Most expensive
Fenix TK25R stands out as the most expensive option for retail price, with about a 54% gap from the closest alternative.
Lightest
Fenix TK21R stands out as the lightest option for weight, with about a 2% gap from the closest alternative.
Heaviest
Fenix TK25R stands out as the heaviest option for weight, with about a 2% gap from the closest alternative.
Shortest runtime
Fenix TK25R stands out as the shortest runtime option for max runtime, with about a 24% gap from the closest alternative.
Longest runtime
Fenix TK21R stands out as the longest runtime option for max runtime, with about a 32% gap from the closest alternative.
Shortest
Fenix TK21R stands out as the shortest option for length, with about a 7% gap from the closest alternative.
Longest
Fenix TK25R stands out as the longest option for length, with about a 7% 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.
▣Tactical use▣Patrolling▣Search and rescue▣Traffic inspection▣Self-defense
▣Law enforcement▣Tactical operations▣Search and rescue▣Outdoor activities▣EDC use
Common praise
✓Very bright with strong beam✓Solid build quality✓IP68 waterproof rating✓Long runtime✓Fast USB-C charging✓Comfortable size for tactical use✓Improved tactile switch feel
✓High maximum output with versatile multi-LED options✓Robust build quality with IP68 rating✓Fast USB-C charging with included battery✓Dual switch design with easy mode selection✓Accurate published ANSI-specs and reliable operation
Common complaints
⚠Larger size compared to some EDC flashlights⚠No detailed mode descriptions available
⚠Higher price point than budget brands⚠LED replacement not supported⚠Some heat-induced output throttling under extended turbo use