User Manual for ePropulsion G Battery Charger 16A
Comprehensive user guide for the ePropulsion G Battery Charger 16A (Model HK-MF-108-32). Includes installation instructions, electrical connection diagrams, safety precautions, and warranty information.
Quick answers from the manual
Quick answer
- The ePropulsion G Battery Charger 16A (HK-MF-108-32) is designed for charging ePropulsion G series boat batteries. It features IP67 protection, thermal overheating protection, and supports 90-265V AC input. p. 5, 7, 9
Key actions
- Mounting the charger p. 12
- Connecting cables p. 13
First start
- Ensure all cables are securely connected. Connect to AC power. The battery display lamp will cycle to indicate charging. p. 15
Technical specifications
| Parameter | Value | Meaning | Pages |
|---|---|---|---|
| Input voltage range | AC 90~265 V | Operating voltage range | p. 7 |
| Output power | 3300W@220VAC, 1650W@110VAC | Maximum output power | p. 7 |
Where to find it in the PDF
- Product Overview p. 5
- Mechanical Installation p. 12
- Electrical Connection p. 13
Table of contents
Manual images
Click an image to enlargeQuick guide from the manual
The ePropulsion G Battery Charger 16A (Model HK-MF-108-32) is designed specifically for charging ePropulsion G series boat batteries. It features a fully sealed, IP67-rated design for use in complex environments and includes built-in thermal protection. Before use, ensure the charger is correctly mounted and all cables (power, output, and communication) are securely connected according to the provided diagrams.

Product Overview
The charger is a high-efficiency power source for boat batteries. Key features include:

- High Protection: IP67 ingress protection class.
- Thermal Management: Built-in temperature sensor with automatic overheating protection (internal 90°C).
- Compatibility: Designed for ePropulsion G series batteries.
- Diagnostics: Supports UDS diagnosis with CAN wake-up function.
Safety Warnings
Always exercise caution when installing or operating the charger:
- Electric Shock Hazard: The equipment uses 230V AC power. Always power off before handling electrical connectors, switches, or cables.
- Burn Hazard: Surfaces may become hot during and shortly after operation. Avoid contact.
- Operational Safety: Do not plug or unplug equipment while the machine is running.
Mechanical Installation
The charger comes with mounting plates for installation:


- Ensure the charger fan is facing downward to allow for heat dissipation.
- Torque for self-tapping bolts: 6 N.m.
- Torque for bolts and nuts: 7.7 N.m.
- Use the provided punching card to locate mounting positions.
Electrical Connection
The charger requires three sets of cables:


- Power Cable: Connect to a suitable plug rated for over 16A or directly to a circuit breaker. Ensure correct termination of live, neutral, and GND.
- Output Cable: Connects to the bus-bar box. Ensure positive and negative terminals are not reversed. Uses M8 bolts.
- Communication Cable: Connects the charger to the battery. For single batteries, plug into the 'CHARGER' port. For multiple batteries, connect to the 'CHARGER' port of the first battery.
Charging Precautions
- Connect the positive and negative electrodes of the charger to the battery through the bus box.
- Connect the communication line to the battery CHARGE interface.
- Connect the charger to the AC power supply.
- The battery display lamp will cycle to indicate successful charging.
- Once charging is complete, disconnect the AC power supply.
Technical Specifications
Environmental: Operation temperature -40°C to 55°C, IP67 rating.
Input: 90-265V AC, 47-63 Hz, ≤16A current.
Output: 65-161V DC, 32A max current, 3300W (at 220VAC) or 1650W (at 110VAC).
Warranty
The product includes a 24-month limited warranty from the date of delivery. G series batteries may qualify for an extended 36-month warranty upon registration on the official website. Warranty claims require proof of purchase and the original serial number. Commercial/professional use is not covered by the standard limited warranty.
Practical help
Common problems
Check AC power supply and ensure all cable connections are secure.
The charger has built-in thermal protection and will automatically restore operation once the temperature drops.
Contact ePropulsion Service Partners with proof of purchase and the serial number.
Before use
- Verify the charger model is HK-MF-108-32.
- Ensure the installation surface is suitable for mounting.
- Check all cables (power, output, communication) for damage.
- Confirm AC power supply is within 90-265V range.
- Ensure the charger fan has sufficient space for heat dissipation.
Specs in practice
- Input Voltage
- 90-265V AC range for global compatibility.
- Output Power
- 3300W at 220VAC; 1650W at 110VAC.
Images and diagrams
- Input connector: Pin 1 (Line), Pin 2 (Ground/PE), Pin 3 (Neutral).
- Output connector: Pin 1 (Positive), Pin 2 (Negative).
Model compatibility
- Specially designed for ePropulsion G series batteries.
- Do not use for other purposes.
Manual page author
David Miller
Documentation analyst
Organizes user manual content into clear summaries, with attention to model details, product context, and everyday usability.