Power / Batteries & Chargers
User Manual for ECO-WORTHY 12V 20A Battery Charger
Quick guide for the ECO-WORTHY 12V 20A Battery Charger. Includes LED indicator meanings, technical specifications, safety warnings, and protection features.
Quick answers from the manual
Quick answer
- The ECO-WORTHY 12V 20A Battery Charger is designed for charging 12V batteries. It features automatic protection against over-voltage, over-current, and short circuits, and uses LED indicators to show charging status. p. 1, 2, 3
Key actions
- Cleaning the charger p. 3
Problems and fixes
Charger enters protection status
The charger will restore to normal working condition automatically after troubleshooting the cause (e.g., short circuit, over-voltage).
p. 5Technical specifications
| Parameter | Value | Meaning | Pages |
|---|---|---|---|
| Input Voltage | 90/200 - 130/260 | p. 4 | |
| Constant Charge Current | 20 | p. 4 |
Where to find it in the PDF
- Safety and Warnings p. 3
- LED Indicators p. 4
- Technical Specifications p. 4
Table of contents
Manual images
Click an image to enlargeQuick guide from the manual
This manual provides instructions for the ECO-WORTHY 12V 20A Battery Charger. Key safety requirements include keeping the charger in a clean, well-ventilated area with at least 10cm of clearance around the inlet and outlet. Do not expose the charger to water, direct sunlight, or heat sources, and keep it away from children and flammable materials. Do not disassemble the unit.
LED Indicators
- No AC input: Both LEDs off.
- AC inputting but turned off: One LED on, one off.
- AC inputting, standby or battery full: Green and Red LEDs on.
- AC inputting & charging: Both LEDs on.
Protection Features
The charger includes automatic protection features:
- Output Over Voltage Protection: Enters standby if voltage exceeds maximum.
- Output Over Current Protection: Enters protection status if current exceeds maximum.
- Short Circuit Protection: Enters protection status if a short circuit occurs.
The charger automatically restores to normal working conditions after troubleshooting.
Technical Specifications
- Input Voltage: 90/200 - 130/260 Vac
- Input Power: Max 389 W
- Constant Charge Voltage: 14.4 - 14.8 Vdc
- Constant Charge Current: 19 - 21 A
- Efficiency: 80% at full load
Maintenance
Do not disassemble the charger. For cleaning, use a clean rag dipped in a small amount of alcohol. Do not wash with water.
Manufacturer information
ECO-WORTHY
Practical help
Common problems
Charger not working
Check AC input connection. Ensure the charger is not in standby or full charge mode (check LED indicators).
Overheating
Ensure at least 10cm of clearance around the inlet and outlet. Ensure the environment is well-ventilated.
Before use
- Ensure the environment is clean and well-ventilated.
- Verify the charger is not near heat sources or direct sunlight.
- Check that the inlet and outlet have at least 10cm of air space.
- Ensure the charger is kept away from children.
- Verify the charger is not near flammable or explosive goods.
Specs in practice
- Input voltage
- 90-260Vac range for global compatibility.
- Constant charge current
- 20A output for efficient charging.
Images and diagrams
- Charge Curve: Shows the transition from Constant Current (CC) mode to Constant Voltage (CV) mode until the battery is full.
Model compatibility
- Designed for 12V batteries.
- Forced air cooling system used.
Manual page author
David Miller
Documentation analyst
Organizes user manual content into clear summaries, with attention to model details, product context, and everyday usability.