Fenix TK15R ($119.95) vs Fenix TK21R ($134.95) — side-by-side specs, weight, pros and cons to help you pick the right flashlight.
| Spec | Fenix TK15R | Fenix TK21R |
|---|---|---|
| Price | $119.95 | $134.95 |
| Weight | 205.5g | 221.4g |
| Output | 3,200 lumens, 490 m | 3,600 lumens, 480 m |
| LED | One Luminus SFT70 LED | One Luminus SFT90 |
| Modes | Seven lighting modes including four levels of Duty mode, two levels of IRIS X mode, and Strobe | Five lighting modes including four brightness levels and Strobe |
| Battery | 21700 li-ion rechargeable battery | 6000mAh rechargeable li-ion battery |
| Size | Length 149 mm, Head 34 mm, Body 25.4 mm | Length 159.5 mm, Head 36 mm, Body 25.4 mm |
| Runtime | 68 hours 20 minutes max | 72 hours 30 minutes max |
| Weight | 205.5g incl. battery (fenixlighting.com spec text: 7.25 oz (205.5g) including battery) | 221.4g incl. battery (fenixlighting.com spec text: 7.81 oz. (221.4g) including battery) |