# Yamaha Seascooter RDS300 vs Geneinno S2: specs and price compared

A sourced, side-by-side comparison of the Yamaha Seascooter RDS300 (Yamaha) and Geneinno S2 (Geneinno) among sea scooters. Geneinno S2 is the cheaper of the two at $399.

## Side by side

| Spec | Yamaha Seascooter RDS300 | Geneinno S2 |
| --- | --- | --- |
| US price | $695 | $399 |
| Brand | Yamaha | Geneinno |
| Released | — | 2020-04 |
| Max speed kmh | 4.8 | 4.3 |
| Runtime min | 90 | 45 |
| Max depth (m) | 30 | 30 |
| Thrust kgf | — | 10 |
| Battery (Wh) | 144 | 97 |
| Weight (kg) | 8.2 | 2.7 |
| Charge time h | 7 | 1.5 |
| Speed settings | 2 | 2 |
| Buoyancy | Removable/adjustable buoyancy chamber | Slightly positive (floats to surface if released) |

## Key differences

- Max speed kmh: Yamaha Seascooter RDS300 4.8 vs Geneinno S2 4.3
- Runtime min: Yamaha Seascooter RDS300 90 vs Geneinno S2 45
- Battery (Wh): Yamaha Seascooter RDS300 144 vs Geneinno S2 97
- Weight (kg): Yamaha Seascooter RDS300 8.2 vs Geneinno S2 2.7
- Charge time h: Yamaha Seascooter RDS300 7 vs Geneinno S2 1.5
- Buoyancy: Yamaha Seascooter RDS300 Removable/adjustable buoyancy chamber vs Geneinno S2 Slightly positive (floats to surface if released)

## Sources

- Yamaha Seascooter RDS300: https://www.divers-supply.com/yamaha-rds300-scooter-black-red.html (divers-supply.com, verified 2026-08-01)
- Geneinno S2: https://newatlas.com/marine/geneinno-s2-underwater-scooter/ (newatlas.com, verified 2026-08-01)

Canonical: https://frontdeskreview.com/gear/sea-scooters/yamaha-seascooter-rds300-vs-geneinno-s2/
Cite: Per The Front Desk Review, Yamaha Seascooter RDS300 ($695) vs Geneinno S2 ($399) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/sea-scooters/yamaha-seascooter-rds300-vs-geneinno-s2/
License: CC BY 4.0.