User Manual for EcoFlow 12V 100Ah Deep Cycle Marine Trolling Motor Battery

Important Information from the Manual

This manual provides essential instructions for the EcoFlow 12V 100Ah Deep Cycle Marine Trolling Motor Battery (Model EF-PK-B12-1). Before use, ensure the battery is charged, as it is shipped at 50% state of charge. This battery is designed for energy storage in RVs, marine systems, solar lights, golf carts, and trolling motors. It is not intended for use as a starting battery for electric vehicles.

Overview

The battery utilizes lithium iron phosphate cells and features a built-in high-precision Battery Management System (BMS) to monitor voltage, current, and temperature. It includes a passive balance feature to optimize performance.

Installation

Requirements: Install in a tidy, dry, and well-ventilated environment. Avoid accumulation of water, oil, or dirt. Ensure sufficient airflow to prevent heat buildup. Upright battery placement is recommended.

Procedure:

1. Fix the battery using a Group 27 compatible battery tray (optional).
2. Remove dust covers and terminals.
3. Run connection cables through the provided insulating sleeves.
4. Install battery terminals using an M8 bolt. Do not place washers between the terminal bolt and the cable lug to prevent high resistance and heating.
5. Install insulating sleeves.
6. Connect to devices like shunts, inverters, or MPPT charge controllers.
7. Secure the lifting strap.

Connecting Batteries in Series or Parallel

Before connecting multiple batteries, you must balance them:

• Use a qualified battery balancer.
• Ensure voltage difference between batteries is less than 0.1V.
• Connect all batteries in parallel and let them rest for 12 to 24 hours before final configuration.

You can connect batteries directly or use busbars. The system supports various configurations, including series (up to 4S) and parallel (up to 8P) connections to increase voltage or capacity.

Maintenance

Regular maintenance is required to ensure longevity:

• Power Cables: Check for mechanical damage, loose screws, or bus bar discoloration every 6 months.
• Cleanliness: Clean with a dry cloth every 6-12 months.
• System Check: Verify parameters (voltage, current, temperature) and air duct status every 6 months.
• Charging/Discharging: Perform shallow charging/discharging cycles every 6 months to verify health.

Troubleshooting

If you encounter issues, refer to these common solutions:

• Interruptions during high power use: Overtemperature protection. Disconnect and let the battery rest.
• No DC output: Low voltage. Charge the battery.
• Power supply time too short: Battery capacity lack or cell failure. Replace the battery.
• Battery won't charge fully: DC output voltage in the system is too low. Adjust system voltage.

Specifications

General: 1280Wh, 100Ah, 12.8V nominal. Weight approx. 12kg. IP65 rating.

Operation: Voltage range 10V-14.6V. Max charging/discharging current 100A. Peak discharging current 300A (30s).

Compliance: UL1973, IEC62619, UN38.3, FCC Part 15B.