Propulsion & Power

ePropulsion E100 Battery

Brand — ePropulsion

A high-capacity 5.12 kWh lithium iron phosphate (LiFePO₄) battery designed for electric marine propulsion. Featuring integrated battery monitoring, flexible installation options, and expandable battery configurations.

Battery Chemistry: Lithium Iron Phosphate (LiFePO₄)
Nominal Energy: 5.12 kWh
Rated Capacity: 100 Ah
Nominal Voltage: 51.2 V
Weight: 48.5 kg
Protection Rating: IP67 (Tested Rating)

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Opens your email app with the accessory name and ID already filled in. Manufactured by ePropulsion; supplied by Ocean Sailing.

Overview

Power for Every Journey.

The ePropulsion E100 is a high-capacity lithium iron phosphate battery developed for electric marine propulsion systems.

With 5.12 kWh of energy storage, the E100 combines LiFePO₄ battery technology with integrated monitoring and dedicated power and communication interfaces.

Its modular architecture supports multiple battery configurations, allowing energy storage capacity to be expanded to meet different propulsion requirements.

Product Details

Key Features.

01
High-Capacity LiFePO₄ Technology
A 5.12 kWh lithium iron phosphate battery designed to provide dependable energy storage for electric marine propulsion.
02
Integrated Battery Monitoring
A built-in display provides battery status information, including state of charge and operating conditions, along with system alerts when attention is required.
03
Expandable Energy Storage
Supports up to 16 E100 batteries in a single parallel cluster, allowing increased energy capacity for compatible propulsion installations.
04
Flexible Installation
The compact rectangular housing supports multiple approved installation orientations, providing flexibility when integrating the battery into a vessel.

Technical Data

Specifications.

Published figures for the battery and its operating conditions.

Battery & Electrical Performance

Product: E100 Battery
Manufacturer: ePropulsion
Battery Chemistry: Lithium Iron Phosphate (LiFePO₄)
Nominal Energy: 5.12 kWh
Rated Capacity: 100 Ah
Nominal Voltage: 51.2 V
Final Charging Voltage: 57.6 V
Cut-off Voltage: 41.6 V
Maximum Continuous Charging Current: 100 A
Maximum Continuous Discharging Current: 150 A

Physical Specifications

Dimensions (With Trim & Mounting Bracket): 630 × 320 × 240 mm
Weight (With Trim & Mounting Bracket): 48.5 kg
Dimensions (Without Trim & Mounting Bracket): 580 × 320 × 240 mm
Weight (Without Trim & Mounting Bracket): 47.5 kg
Protection Rating: IP67 (Tested Rating)

Operating Conditions

Charging Temperature: 0°C to 55°C
Discharging Temperature: -10°C to 60°C
Recommended Storage Charge: 45–50%

System Expansion

Parallel Connection: Up to 16 Batteries per Cluster
Series Configuration: Up to 2 Batteries, Subject to System Requirements
Battery Monitoring: Integrated Display
Communication: Dedicated Motor & Battery Communication Interfaces

Battery configurations, electrical connections and installation requirements must follow the official ePropulsion documentation. Additional communication and connection accessories may be required.

Product Notes

Compatibility with Ocean Sailing models is to be confirmed.
Chargers, remote switches, connection cables and other installation accessories are not confirmed as included.
IP67 is a tested rating; the battery is not intended for immersion in water.
Installation, ventilation and electrical protection must follow the official ePropulsion documentation.

Documentation

E100 Battery User Manual
EPROPULSION · VERSION 1.0 · NOVEMBER 2025 · PDF
E100 Technical Drawing
EPROPULSION · VERSION 1.0 · PDF

Refer to the official product manuals for installation, operation, safety and maintenance.

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ePropulsion E100 Battery

Power for Every Journey.

Key Features.

High-Capacity LiFePO₄ Technology

Integrated Battery Monitoring

Expandable Energy Storage

Flexible Installation