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- C7 PRO vs E51D
Fenix C7 PRO vs Nextorch E51D
What C7 PRO does better (4) and where E51D wins (1) — every spec side by side.
Dimensions
Size comparison
C7 PROE51D
| C7 PRO | E51D | Difference | |
|---|---|---|---|
| Length / height | 149.8 mm | 142 mm | +7.8 mm |
| Head diameter / width | 40 mm | 27 mm | +13 mm |
| Weight | 262 g | 95 g | +167 g |
Drawn to the same scale from the official dimensions (front and side).
Why is C7 PRO better than E51D?
- Maximum output4,600 lm vs 2,100 lm2.2×
- Beam distance (ANSI FL1)339 m vs 275 m+23%
- Maximum runtime85 h vs 55 h+55%
- Peak beam intensity28,730 cd vs 18,906 cd+52%
Why is E51D better than C7 PRO?
- Weight262 g vs 95 g2.8×
Specifications
Side by side
| Light output | ||
| Maximum output | 4,600 lm | 2,100 lm |
| Peak beam intensity | 28,730 cd | 18,906 cd |
| Beam distance (ANSI FL1) | 339 m | 275 m |
| Light source | LED | LED |
| LED & beam | ||
| LED emitter | Luminus SST-25 | — |
| LED maker | Luminus | — |
| Number of LEDs | 4 | — |
| Colour temperature | 6,500K | — |
| Battery & charging | ||
| Battery | 21700 Li-ion | 18650 Li-ion |
| Battery capacity | — | 2,600 mAh |
| Maximum runtime | 85 h | 55 h |
| Rechargeable | Yes | Yes |
| USB-C charging | Yes | Yes |
| Battery level indicator | Yes | Yes |
| Build & durability | ||
| Protection rating | IP68 | IPX8 |
| Water protection (IPx) | IPx8 | IPx8 |
| Impact resistance (drop) | — | 2 m |
| Body material | Aluminium | Aluminium |
| Magnetic tail / base | Yes | — |
| Pocket clip | — | Yes |
| Size & weight | ||
| Length / height | 149.8 mm | 142 mm |
| Head diameter / width | 40 mm | 27 mm |
| Body diameter / depth | 28.5 mm | — |
| Weight | 262 g | 95 g |
| Modes & features | ||
| Strobe | Yes | — |
| SOS / beacon | Yes | — |
| Lockout | Yes | — |
| Mode memory | Yes | — |









