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- E51D vs Open
Nextorch E51D vs Olight Open
What E51D does better (1) and where Open wins (0) — every spec side by side.
Why is E51D better than Open?
- Maximum output2,100 lm vs 120 lm17.5×
Why is Open better than E51D?
Open has no measurable advantages in this pair.
Specifications
Side by side
| Light output | ||
| Maximum output | 2,100 lm | 120 lm |
| Peak beam intensity | 18,906 cd | — |
| Beam distance (ANSI FL1) | 275 m | — |
| Light source | LED | LED |
| Battery & charging | ||
| Battery | 18650 Li-ion | — |
| Battery capacity | 2,600 mAh | — |
| Maximum runtime | 55 h | — |
| Rechargeable | Yes | — |
| USB-C charging | Yes | — |
| Battery level indicator | Yes | — |
| Build & durability | ||
| Protection rating | IPX8 | — |
| Water protection (IPx) | IPx8 | — |
| Impact resistance (drop) | 2 m | — |
| Body material | Aluminium | — |
| Pocket clip | Yes | — |
| Size & weight | ||
| Length / height | 142 mm | — |
| Head diameter / width | 27 mm | — |
| Weight | 95 g | — |
| Modes & features | ||
| Laser pointer / aiming laser | — | Yes |
| Colours | — | Black |








