1. Introduction
This manual provides essential information for the safe and efficient use of your DTK 80V 2.8Ah Lithium-Ion Battery, model GBA80250. This battery is designed as a replacement and compatible power source for various Greenworks 80V cordless power tools. Please read this manual thoroughly before first use and retain it for future reference.
2. Important Safety Information
Always follow basic safety precautions when using battery-powered products to reduce the risk of fire, electric shock, and personal injury.
General Battery Safety
- Do not disassemble, open, or shred battery packs.
- Do not short-circuit a battery pack. Do not store battery packs haphazardly in a box or drawer where they may short-circuit each other or be short-circuited by conductive materials.
- Do not expose battery packs to heat or fire. Avoid storage in direct sunlight.
- Do not subject battery packs to mechanical shock.
- In the event of battery leakage, do not allow the liquid to come into contact with the skin or eyes. If contact has been made, wash the affected area with copious amounts of water and seek medical advice.
- Keep battery packs clean and dry.
- Recharge only with the charger specified by the manufacturer. Using an incompatible charger may create a risk of fire.
- Do not use any battery pack that is not designed for use with the equipment.
- Keep battery packs out of the reach of children.
- Observe the plus (+) and minus (-) marks on the battery and equipment and ensure correct use.
- Dispose of battery packs properly according to local regulations.

Image: The DTK 80V battery features multi-protection technology, including safeguards against over-charger, over-heating, over-discharge, short-circuit, over-current, and over-voltage.

Image: The battery is designed with intelligent heat dissipation, shock resistance, and provides a longer run time for cordless power tools.
3. Product Overview
The DTK 80V 2.8Ah Lithium-Ion Battery (GBA80250) is a high-performance power source designed to provide reliable and consistent power to your Greenworks 80V cordless power tools. It features advanced lithium-ion technology for extended life and efficiency.

Image: A front view of the DTK 80V 2.8Ah Lithium-Ion Rechargeable Battery Pack.
Key Features
- Voltage: 80V
- Capacity: 2.8Ah (2800 Milliamp Hours)
- Cell Composition: Lithium-Ion
- Compatibility: Designed for Greenworks 80V cordless power tools.
- Visible Battery Indicator: Features an integrated LED indicator to show the current charge level.
- Multi-Protection Technology: Includes safeguards against over-charging, over-heating, over-discharge, short-circuit, over-current, and over-voltage.
- Durable Design: Built with intelligent heat dissipation and shock-resistant casing.

Image: A close-up view of the DTK 80V battery, highlighting its visible LED battery indicator for easy charge monitoring.
Video: A 360-degree view of the DTK 80V 2.8Ah Lithium-Ion Battery, showcasing its design and features from all angles.
4. Specifications
| Brand | DTK |
| Model Number | GBA80250 |
| Battery Voltage | 80V |
| Battery Capacity | 2.8Ah (2800 Milliamp Hours) |
| Battery Cell Composition | Lithium Ion |
| Item Weight | 2 pounds |
| Package Dimensions | 2.75 x 2.36 x 1.97 inches |
| Manufacturer | Shenzhen Henglixinyuan Electronic Technology Co., Ltd |
| Compatible with | Greenworks 80V Cordless Power Tools (GBA80200, GBA80250, GBA80400, GBA80500) |
5. Setup and Charging
Initial Charge
- Ensure you are using a compatible Greenworks 80V charger, such as the GCH8040.
- Connect the charger to a standard power outlet.
- Slide the DTK 80V battery into the charger until it clicks into place.
- Allow the battery to charge fully before first use. Refer to your charger's manual for specific charging indicators and times.
- The battery's visible LED indicator will show the charge status.

Image: The DTK 80V battery is shown being charged on a compatible Greenworks 80V charger (GCH8040).
Battery Installation
- Ensure the power tool is turned off and disconnected from any power source.
- Align the battery with the battery compartment on your Greenworks 80V cordless power tool.
- Slide the battery into the compartment until it locks securely into place. You should hear a click.
- To remove the battery, press the release button(s) on the battery or tool and slide the battery out.

Image: A visual representation demonstrating the DTK 80V battery's compatibility with a wide range of Greenworks 80V cordless power tools, including lawn mowers, trimmers, blowers, and chainsaws.
6. Operating Instructions
Once the battery is fully charged and securely installed in a compatible Greenworks 80V tool, the tool is ready for operation. Always refer to your specific power tool's instruction manual for detailed operating procedures.
Monitoring Battery Charge
The DTK 80V battery features an integrated LED indicator. Press the button on the battery to view the current charge level. This allows you to monitor power availability during use and plan for recharging.

Image: Examples of Greenworks 80V cordless power tools, such as a chainsaw, leaf blower, string trimmer, and lawn mower, being used for various outdoor tasks.
7. Maintenance and Storage
Cleaning
- Keep the battery pack's terminals clean and free of debris. Use a clean, dry cloth to wipe any dirt or dust.
- Do not use water or chemical cleaners on the battery.
Storage
- Store the battery in a cool, dry place, away from direct sunlight and extreme temperatures.
- Avoid storing the battery in temperatures below 0°C (32°F) or above 40°C (104°F).
- For long-term storage, it is recommended to store the battery with a partial charge (around 50-60%) to prolong its lifespan. Recharge every 3-6 months if not in use.
- Do not store the battery in a discharged state for extended periods.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Battery not charging. |
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| Tool not powering on with battery. |
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| Short run time. |
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9. Warranty and Support
DTK products are manufactured to high-quality standards. For warranty information, technical support, or service inquiries, please contact the seller or manufacturer directly. Keep your purchase receipt as proof of purchase.
Manufacturer: Shenzhen Henglixinyuan Electronic Technology Co., Ltd
For further assistance, please refer to the contact information provided at the point of purchase or on the product packaging.