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- TK21R vs TK25R
Fenix TK21R vs Fenix TK25R
What TK21R does better (3) and where TK25R wins (0) — every spec side by side.
Dimensions
Size comparison
TK21RTK25R
| TK21R | TK25R | Difference | |
|---|---|---|---|
| Length / height | 159.5 mm | 164 mm | −4.5 mm |
| Head diameter / width | 36 mm | 36 mm | = |
| Body diameter / depth | 25.4 mm | 26.2 mm | −0.8 mm |
| Weight | 221 g | 225 g | −4 g |
Drawn to the same scale from the official dimensions (front and side).
Why is TK21R better than TK25R?
- Peak beam intensity57,600 cd vs 30,620 cd+88%
- Beam distance (ANSI FL1)480 m vs 350 m+37%
- Maximum runtime72.5 h vs 55 h+32%
Why is TK25R better than TK21R?
TK25R has no measurable advantages in this pair.
Specifications
Side by side
| Light output | ||
| Maximum output | 3,600 lm | 3,600 lm |
| Peak beam intensity | 57,600 cd | 30,620 cd |
| Beam distance (ANSI FL1) | 480 m | 350 m |
| Light source | LED | LED |
| LED & beam | ||
| LED emitter | Luminus SFT-90 | Cree XHP50 |
| LED maker | Luminus | Cree |
| Colour temperature | 6,600K | 5,700K |
| Battery & charging | ||
| Battery | 21700 Li-ion | 21700 Li-ion |
| Battery capacity | 6,000 mAh | — |
| Maximum runtime | 72.5 h | 55 h |
| Rechargeable | Yes | Yes |
| USB-C charging | Yes | Yes |
| Battery level indicator | Yes | Yes |
| Build & durability | ||
| Protection rating | IP68 | IP68 |
| Water protection (IPx) | IPx8 | IPx8 |
| Body material | Aluminium | — |
| Size & weight | ||
| Length / height | 159.5 mm | 164 mm |
| Head diameter / width | 36 mm | 36 mm |
| Body diameter / depth | 25.4 mm | 26.2 mm |
| Weight | 221 g | 225 g |
| Modes & features | ||
| Switch | Dual switches | Dual switches |
| Tactical tail switch (momentary on) | Yes | — |
| Strobe | Yes | Yes |
| Red light | — | Yes |
| UV light | — | Yes |
| Green / blue / RGB light | — | Yes |
| Lockout | — | Yes |
| Mode memory | Yes | Yes |
