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- LD45R vs TK21R
Fenix LD45R vs Fenix TK21R
What LD45R does better (0) and where TK21R wins (3) — every spec side by side.
Dimensions
Size comparison
LD45RTK21R
| LD45R | TK21R | Difference | |
|---|---|---|---|
| Length / height | 155.3 mm | 159.5 mm | −4.2 mm |
| Head diameter / width | 44.5 mm | 36 mm | +8.5 mm |
| Body diameter / depth | 32 mm | 25.4 mm | +6.6 mm |
| Weight | 302 g | 221 g | +81 g |
Drawn to the same scale from the official dimensions (front and side).
Why is LD45R better than TK21R?
LD45R has no measurable advantages in this pair.
Why is TK21R better than LD45R?
- Maximum output2,800 lm vs 3,600 lm+29%
- Weight302 g vs 221 g+37%
- Maximum runtime65 h vs 72.5 h+12%
Specifications
Side by side
| Light output | ||
| Maximum output | 2,800 lm | 3,600 lm |
| Peak beam intensity | 57,600 cd | 57,600 cd |
| Beam distance (ANSI FL1) | 480 m | 480 m |
| Light source | LED | LED |
| Adjustable focus (zoom) | Yes | — |
| LED & beam | ||
| LED emitter | Luminus SFT-70 | Luminus SFT-90 |
| LED maker | Luminus | Luminus |
| Colour temperature | 5,800K | 6,600K |
| Battery & charging | ||
| Battery | 21700 Li-ion | 21700 Li-ion |
| Battery capacity | — | 6,000 mAh |
| Maximum runtime | 65 h | 72.5 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 | 155.3 mm | 159.5 mm |
| Head diameter / width | 44.5 mm | 36 mm |
| Body diameter / depth | 32 mm | 25.4 mm |
| Weight | 302 g | 221 g |
| Modes & features | ||
| Switch | Rotary / scroll wheel | Dual switches |
| Tactical tail switch (momentary on) | — | Yes |
| Strobe | Yes | Yes |
| SOS / beacon | Yes | — |
| Lockout | Yes | — |
| Mode memory | Yes | Yes |
