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- TK35R vs EDC37
Fenix TK35R vs Nitecore EDC37
What TK35R does better (3) and where EDC37 wins (4) — every spec side by side.
Dimensions
Size comparison
TK35REDC37
| TK35R | EDC37 | Difference | |
|---|---|---|---|
| Length / height | 154 mm | 108 mm | +46 mm |
| Head diameter / width | 43 mm | 39 mm | +4 mm |
| Weight | 342 g | 199 g | +143 g |
Drawn to the same scale from the official dimensions (front and side).
Why is TK35R better than EDC37?
- Peak beam intensity93,020 cd vs 44,010 cd2.1×
- Water protection (IPx)IPx8 vs IPx42×
- Beam distance (ANSI FL1)610 m vs 420 m+45%
Why is EDC37 better than TK35R?
- Battery capacity4,000 mAh vs 8,000 mAh2×
- Maximum output5,800 lm vs 8,000 lm+38%
- Maximum runtime105 h vs 190 h+81%
- Weight342 g vs 199 g+72%
Specifications
Side by side
| Light output | ||
| Maximum output | 5,800 lm | 8,000 lm |
| Peak beam intensity | 93,020 cd | 44,010 cd |
| Beam distance (ANSI FL1) | 610 m | 420 m |
| Light source | LED | LED |
| LED & beam | ||
| LED emitter | Luminus SFT-25R | NiteLab UHi 20 MAX |
| LED maker | Luminus | NiteLab |
| Number of LEDs | 4 | 2 |
| Colour temperature | 7,500K | — |
| Battery & charging | ||
| Battery | 18650 Li-ion | Built-in Li-ion / Li-Po |
| Battery capacity | 4,000 mAh | 8,000 mAh |
| Maximum runtime | 105 h | 190 h |
| Rechargeable | Yes | Yes |
| USB-C charging | Yes | Yes |
| Charging time | — | 2 h |
| Battery level indicator | Yes | — |
| Build & durability | ||
| Protection rating | IP68 | IP54 |
| Water protection (IPx) | IPx8 | IPx4 |
| Impact resistance (drop) | — | 2 m |
| Body material | Aluminium | — |
| Size & weight | ||
| Length / height | 154 mm | 108 mm |
| Head diameter / width | 43 mm | 39 mm |
| Weight | 342 g | 199 g |
| Modes & features | ||
| Switch | Dual switches | Tail switch |
| Strobe | Yes | Yes |
| Red light | Yes | — |
| UV light | Yes | — |
| Lockout | — | Yes |
| Mode memory | Yes | — |
| Colours | Black | Black |









