Fenix TK21R ($134.95) vs Fenix LD35R ($89.95) — side-by-side specs, weight, pros and cons to help you pick the right flashlight.
| Spec | Fenix TK21R | Fenix LD35R |
|---|---|---|
| Price | $134.95 | $89.95 |
| Weight | 221.4g | 185g |
| Output | 3,600 lumens, 480 m | 1,800 lumens, 337 m |
| LED | One Luminus SFT90 | One COB light strip and one Luminus SST40 Gen2 LED |
| Modes | Five lighting modes including four brightness levels and Strobe | Fifteen lighting modes including five levels of forward-facing white light, four levels of side white light plus Strobe, and five color modes |
| Battery | 6000mAh rechargeable li-ion battery | 18650 li-ion rechargeable battery or two CR123A lithium batteries |
| Size | Length 159.5 mm, Head 36 mm, Body 25.4 mm | Length 136.4 mm, Head 34 mm, Body 25.4 mm |
| Runtime | 72 hours 30 minutes max | 101 hours 54 minutes max |
| Weight | 221.4g incl. battery (fenixlighting.com spec text: 7.81 oz. (221.4g) including battery) | 185g incl. battery (fenixlighting.com spec text: 6.53 oz. (185g) including battery) |