Product Overview
The ECHO 58-Volt 4.0Ah Lithium-Ion Accessory Battery Pack is designed to provide reliable power for compatible ECHO 58-Volt tools. It incorporates advanced electronics for protection and features an integrated fuel gauge for convenient charge monitoring.

Image 1: Front view of the ECHO 58V 4.0Ah Lithium-Ion Battery, showing the 4.0Ah capacity and 58V Lithium-Ion branding.
Setup and Initial Use
1. Initial Charging
Before first use, fully charge the battery using a compatible ECHO 58-Volt charger. The battery features a 1-hour recharge time. Refer to your charger's instruction manual for specific charging procedures.
2. Installing the Battery
- Align the battery with the battery port on your ECHO 58-Volt tool.
- Slide the battery into the tool until it clicks securely into place. Ensure it is fully seated to prevent accidental disconnection during operation.
3. Removing the Battery
- Press and hold the battery release button(s) located on the battery or tool.
- Slide the battery out of the tool.
Operating the Battery
1. Checking Charge Level
The battery is equipped with an integrated fuel gauge. Press the button on the battery to illuminate the LED indicators, showing the current charge level. A full charge is indicated by all LEDs being lit.
2. Compatibility
This battery is compatible with all ECHO 58-Volt lithium-ion tools and chargers. Always ensure the battery is fully charged before beginning tasks to maximize performance and runtime.
Maintenance and Storage
1. Charging Procedures
- Always charge the battery in a well-ventilated area, away from flammable materials.
- Use only ECHO 58-Volt compatible chargers.
- Avoid charging the battery immediately after heavy use; allow it to cool down first.
- The battery features triple protection electronics to prevent overcharging, overheating, and overloading.
2. Storage
- Store the battery in a cool, dry place, away from direct sunlight and extreme temperatures.
- For long-term storage, it is recommended to store the battery with a partial charge (e.g., 50-75%).
- The battery offers superior cold weather performance, but extreme cold can temporarily reduce capacity.
3. Cleaning
Keep battery terminals clean and free of debris. Use a dry cloth to wipe the battery exterior. Do not immerse the battery in water or any other liquid.
4. Safety Warnings
To avoid risk of battery explosion, do not attempt to disassemble, crush, puncture the battery, or dispose of it in fire. Always follow local regulations for battery disposal.
Troubleshooting
- Battery not charging: Ensure the charger is properly plugged in and the battery is correctly seated in the charger. Check for any visible damage to the battery or charger.
- Battery not powering tool: Verify the battery is fully charged and securely installed in the tool. Check the tool's power switch and ensure it is functioning correctly.
- Reduced runtime: Battery capacity naturally decreases over time and with use. Ensure the battery is fully charged before each use. Extreme temperatures can also affect runtime.
For further assistance or issues not listed here, consult the owner's manual for your specific ECHO 58-Volt tool and charger, or contact ECHO customer support.
Specifications
| Brand | ECHO |
| Model | 58V 4.0Ah Lithium-Ion Battery (B083ZKNRZS) |
| Voltage | 58 Volts |
| Battery Capacity | 4 Amp Hours |
| Battery Cell Composition | Lithium Ion |
| Recharge Time | 1 hour |
| Protection Features | Overcharging, Overheating, Overloading |
| Item Weight | 4.11 pounds |
| Product Dimensions | 1 x 1 x 1 inches |
Warranty and Support
This is a genuine ECHO replacement part. For specific warranty information, please refer to the documentation included with your original product purchase or visit the official ECHO website. Always consult your tool's owner's manual for proper part number identification and installation procedures.







