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Fenix TK21R vs Fenix TK28R
Fenix TK21R ($134.95) vs Fenix TK28R ($219.95) — side-by-side specs, weight, pros and cons to help you pick the right flashlight.
Spec-by-spec
| Spec | Fenix TK21R | Fenix TK28R |
|---|---|---|
| Price | $134.95 | $219.95 |
| Weight | 221.4g | 358.3g |
| Output | 3,600 lumens, 480 m | 6,500 lumens, 400 m |
| LED | One Luminus SFT90 | Luminus SFT70 LED and Luminus SST70 LED (for white light), OSRAM GR CSSPA1.23 red LEDs (for red light) |
| Modes | Five lighting modes including four brightness levels and Strobe | Ten lighting modes including five levels of white light, three levels of red light, red flash, and Strobe |
| Battery | 6000mAh rechargeable li-ion battery | Two included 18650 rechargeable li-ion batteries |
| Size | Length 159.5 mm, Head 36 mm, Body 25.4 mm | Length 147.8 mm, Height 51 mm, Width 32 mm |
| Runtime | 72 hours 30 minutes max | 102 hours max |
| Weight | 221.4g incl. battery (fenixlighting.com spec text: 7.81 oz. (221.4g) including battery) | 358.3g incl. battery (fenixlighting.com spec text: 12.64 oz (358.3 g) including batteries) |
Pros & Cons
Fenix TK21R
- 3,600 lumens and 480 m of throw
- Runs on 6000mAh rechargeable li-ion battery
- 221.4 g with the battery
- Limited lifetime guarantee from Fenix Lighting USA
- 221.4 g is heavy for a pocket
- Fenix's 72 hours 30 minutes runtime is its longest figure, normally at the lowest level, not at full output
Fenix TK28R
- 6,500 lumens and 400 m of throw
- Runs on Two included 18650 rechargeable li-ion batteries
- 358.3 g with the battery
- Limited lifetime guarantee from Fenix Lighting USA
- 358.3 g is heavy for a pocket
- Fenix's 102 hours runtime is its longest figure, normally at the lowest level, not at full output
Fenix TK21R is the better value at $134.95. Both are part of our curated flashlight index — tap through to check current pricing.