Yamaha
Yamaha Seascooter RDS300
$695
Best Sea Scooters · head-to-head
Yamaha Seascooter RDS300 vs Geneinno S2
A sourced, side-by-side comparison. Geneinno S2 is cheaper at $399. Every spec and price links to its source.
Geneinno
Geneinno S2
$399Cheaper
Released 2020-04
Which is better: the Yamaha Seascooter RDS300 or Geneinno S2?
They split the 2 specs we compare evenly. The Geneinno S2 is the cheaper at $399.
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Key specs, head to head
The numbers that decide it, drawn to scale — longer bar wins, the accent bar is the stronger figure.
Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| 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) |
Sources — Yamaha Seascooter RDS300: divers-supply.com (verified 2026-08-01). Geneinno S2: newatlas.com (verified 2026-08-01).
What's the difference between the Yamaha Seascooter RDS300 and Geneinno S2?
Where the two actually differ on the specs we track (6 of 9). Matching specs are omitted.
- 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)