Torqeedo Deep Blue 50i 1800 Electric Inboard Drive

The Torqeedo Deep Blue 50i 1800 is a high‑power electric inboard propulsion system engineered to provide clean, quiet, and efficient marine propulsion for larger motorboats, commercial operators, and environmentally conscious recreational boaters. As part of Torqeedo’s Deep Blue series, it integrates a 50 kW electric motor with advanced power electronics, a touchscreen on‑board computer, and a fully coordinated energy management system that delivers performance equivalent to an approximate 80 HP petrol engine with outstanding efficiency and lower operating costs.

Designed with robust waterproofing and a groundbreaking safety concept, every component — from the motor and electronics to the system control unit — is engineered to work together seamlessly and withstand demanding marine environments. Its liquid cooling system, high‑voltage architecture, and modular design ensure reliable operation while offering integrated monitoring of range, speed, and battery status directly on the display or via the TorqTrac app.

The Deep Blue system supports up to 9‑year battery capacity warranty for private use and is recognized as a viable commercial alternative to traditional combustion drives, enabling emission‑free boating with significantly reduced maintenance and fuel costs.

This inboard electric drive brings a future‑ready propulsion solution for boaters seeking powerful, sustainable performance and modern digital control.

• High‑Power Electric Propulsion – 50 kW continuous electric motor output, equivalent to about 80 HP petrol engine performance for marine propulsion.

• Fully Integrated System – All components (motor, power electronics, controls, and display) are engineered to work seamlessly together for optimized efficiency and reliability.

• Advanced Lithium‑Ion Battery Technology – Uses high‑capacity marine lithium batteries based on automotive‑grade chemistry for long life and robust performance—up to 9‑year battery capacity warranty for private use.

• Waterproof and Safe High‑Voltage Design – High‑voltage components and battery packs are fully waterproof with built‑in safety measures against short circuits.

• Integrated On‑Board Touchscreen Display – High‑resolution touchscreen shows range, speed, battery status, and other critical system data for intuitive monitoring and control.

• Liquid Cooling System – Sea water liquid cooling ensures steady performance and thermal management.

• Variable Speed Control – Stepless speed control for smooth and efficient power delivery across a wide range of operating conditions.

• Quiet, Emission‑Free Operation – Delivers virtually silent running without on‑water emissions, ideal for eco‑friendly boating.

• Saltwater‑Resistant Design – Built to withstand harsh marine environments and heavy saltwater use.

• Modular Shaft Options – Available with various shaft lengths to suit different vessel installations.

• Emission‑Free Operation — Zero on‑water emissions supports eco‑friendly boating and compliance with clean‑water regulations.

• Quiet & Smooth Performance — Electric propulsion delivers whisper‑quiet operation with minimal vibration for a more enjoyable boating experience.

• High Power & Responsiveness — 50 kW output provides performance comparable to ~80 HP petrol engines, with instant torque and smooth speed control.

• Lower Operating Costs — Reduced fuel and maintenance costs compared to traditional combustion engines mean long‑term savings.

• Integrated System & Easy Monitoring — On‑board touchscreen displays key data (range, speed, battery status) for intuitive system oversight.

• Robust & Durable Design — Marine‑grade construction with waterproof high‑voltage components ensures reliable performance in harsh saltwater environments.

• Advanced Battery Technology — High‑capacity lithium‑ion batteries with long lifecycle and extended warranties provide dependable energy and longevity.

• Flexible Installation Options — Modular design with various shaft lengths and customizable layouts fits many boat types and configurations.

• Enhanced Safety — Built‑in safety features for high‑voltage systems and liquid cooling ensure secure, stable operation.

• Future‑Ready Technology — Ideal for environmentally conscious boaters and commercial operators seeking sustainable propulsion solutions.

Technical Specifications

General Performance

• Electric Output Power (continuous): 55.1 kW (~80 HP equivalent)

• Peak Input Power: 66.0 kW

• Propulsive Power: > 32.4 kW

• Comparable Petrol Shaft Power: ~80 HP equivalent

• Maximum Overall Efficiency: > 54 %

Motor & Mechanical

• Maximum Propeller Speed: 1,800 rpm (also available 1,400 rpm variant)

• Shaft Length Options: 30 mm, 35 mm, or 40 mm

• Integrated On‑Board Computer: Yes, with touchscreen display

• Cooling System: Sea water liquid cooling (≈ 7 L/min, up to 32 °C)

• Weight (Motor Only): ~80 kg

Electrical & Battery

• Nominal Voltage: ~345 V

• Battery Capacity (varies by configuration): typical examples include ~25.6 kWh–51.2 kWh (requires at least two battery modules for Deep Blue 50i)

• Battery Warranty: Up to 9 years battery capacity warranty (80 % retained)

Dimensions & Weight

• Motor Dimensions: approx. 1460 × 305 × 330 mm (varies with exact setup)

• Battery Bank Weight: can range from ~300 kg to ~600 kg depending on configuration

Operational Features

• Speed Control: Stepless / variable

• Display & Monitoring: Onboard touchscreen with range, speed, battery status, GPS integration

• Corrosion Resistance: Designed for marine saltwater use

• Installation: Professional installation recommended due to high‑voltage system

Range & Performance Examples (Dependent on Battery & Vessel)

• At slow speed (~4 knots / 7.5 km/h): Range up to ~31–102 nm (58–189 km) per charge with a 40 kWh battery

• At full throttle (~19–29 knots / 36–54 km/h): Range ~16–24 nm (29–43 km) per charge