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- P18 vs S2i
Acebeam P18 vs RovyVon S2i
What P18 does better (0) and where S2i wins (0) — every spec side by side.
Why is P18 better than S2i?
P18 has no measurable advantages in this pair.
Why is S2i better than P18?
S2i has no measurable advantages in this pair.
Specifications
Side by side
| Light output | ||
| Maximum output | 5,000 lm | 5,000 lm |
| Peak beam intensity | — | 62,500 cd |
| Beam distance (ANSI FL1) | — | 500 m |
| Light source | LED | LED |
| Battery & charging | ||
| Battery | — | 21700 Li-ion |
| Battery capacity | — | 5,000 mAh |
| Rechargeable | Yes | Yes |
| USB-C charging | — | Yes |
| Build & durability | ||
| Protection rating | IP68 | — |
| Water protection (IPx) | IPx8 | — |
| Impact resistance (drop) | 1.5 m | — |
| Body material | — | Aluminium |
| Magnetic tail / base | — | Yes |
| Size & weight | ||
| Length / height | 144.9 mm | — |
| Weight | — | 700 g |
| Modes & features | ||
| Strobe | — | Yes |
| SOS / beacon | — | Yes |









