System at a Glance
This 2025 400 is an electric Powerboat (Open / Console) from Terhi, powered by a 2 kW ePropulsion motor and a 1,539 Wh battery pack, offering a quiet and eco-friendly boating experience.
| Length (LOA) | 4.01 m (13.2 ft) |
| Beam (BOA) | 1.5 m (4.9 ft) |
| Hull Draft | 0.23 m (0.8 ft) |
| Hull Config | Monohull |
| Hull Type | Planing |
| Displacement | 150 kg (331 lbs) |
Gallery
Boat Specifications
Overview
- Make
- Terhi
- Model
- 400
- Year
- 2025
- Hull type
- Planing
- Configuration
- Monohull
Hull & Dimensions
- Length overall
- 4.01 m
- Beam overall
- 1.50 m
- Draft
- 0.23 m
Weights
- Displacement
- 150 kg
- Motor & battery
- 21 kg
- Total weight
- 171 kg
Electric Propulsion System
Performance Tests
Test details
- Test date
- 2026-04-13 12:40:00
- Testing personnel
- Pasi Partanen
- Persons onboard
- 2 (total 170 kg)
- Location
- Helsinki, Finland
- Temperature
- 5 °C
- Weather
- cloudy
Recorded speed
Test results
Top Speed5.2 knots
Cruising4.6 knots
Estimated Range4–37 nm
| Power | Actual speed | Runtime* | Range* | Energy use |
|---|---|---|---|---|
| 0.1 kW | 2.4 knots | 15h 23m | 36.9 nm | 0.04 kWh/nm |
| 0.2 kW | 2.8 knots | 7h 42m | 21.6 nm | 0.07 kWh/nm |
| 0.3 kW | 3.3 knots | 5h 08m | 16.9 nm | 0.09 kWh/nm |
| 0.4 kW | 3.5 knots | 3h 51m | 13.5 nm | 0.11 kWh/nm |
| 0.5 kW | 3.7 knots | 3h 05m | 11.4 nm | 0.14 kWh/nm |
| 0.7 kW | 4.1 knots | 2h 12m | 9 nm | 0.17 kWh/nm |
| 1 kW | 4.6 knots | 1h 32m | 7.1 nm | 0.22 kWh/nm |
| 1.5 kW | 5.1 knots | 1h 02m | 5.2 nm | 0.29 kWh/nm |
| 2 kW | 5.2 knots | 0h 46m | 4 nm | 0.38 kWh/nm |
Interested in this Boat?
This Terhi 400 was listed by Oy Brandt Ab, the official ePropulsion Distributor for Finland
Reach out for performance details, configuration advice, or to locate a nearby dealer.