1. Introduction
This manual provides essential information for the safe and effective use of your HART 20-Volt Lithium-Ion 1.5Ah Battery (Model HPB01). Please read these instructions carefully before using the battery to ensure proper operation, maximize battery life, and prevent potential hazards. This battery is designed for use with all HART 20V power tools.
2. Important Safety Information
WARNING: Read all safety warnings, instructions, illustrations, and specifications provided with this battery and the tool it powers. Failure to follow all instructions may result in electric shock, fire, and/or serious injury.
- Do not disassemble, open, or shred battery pack.
- 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 pack to heat or fire. Avoid storage in direct sunlight.
- Do not subject battery pack 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 pack clean and dry.
- Recharge only with the charger specified by the manufacturer. Using a charger unsuitable for the battery pack 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 pack properly. Consult local regulations for disposal instructions.
3. Product Overview
The HART 20-Volt Lithium-Ion 1.5Ah Battery (HPB01) is a powerful and reliable power source for your HART 20V cordless tools. Its compact and lightweight design ensures ease of use and portability.

Figure 1: HART 20-Volt Lithium-Ion 1.5Ah Battery (HPB01). This image shows the black battery pack with blue accents, featuring the HART logo and "20V LITHIUM ION 1.5Ah" labeling.
Key Features:
- Powerful Lithium-Ion Technology: Provides 20V and 1.5Ah capacity for consistent power and extended runtime.
- Universal Compatibility: Designed to work seamlessly with all HART 20V power tools.
- Lightweight Design: Weighs approximately 0.42 kg (14.8 ounces) for reduced user fatigue.
- Durable Construction: Built to withstand demanding job site conditions.
4. Setup
4.1 Charging the Battery
This battery requires a HART 20V battery charger (not included). Ensure you use only HART-approved chargers for optimal performance and safety.
- Connect the HART 20V charger to a standard power outlet.
- Align the battery pack with the charger and slide it into place until it clicks securely.
- Observe the charger's indicator lights. Refer to your charger's manual for specific light patterns indicating charging status (e.g., charging, fully charged, error).
- Once fully charged, remove the battery from the charger.
Note: New batteries are shipped in a low-charge state to prevent power loss during shipping. It is recommended to fully charge the battery before first use.
4.2 Installing the Battery into a Tool
- Ensure the power tool is turned off and disconnected from any power source (if applicable).
- Align the battery pack with the battery port on the tool.
- Slide the battery into the tool until it locks firmly into place. You should hear a click.
- To remove the battery, press the release latches (usually blue buttons on the sides of the battery) and slide the battery out of the tool.
5. Operating Instructions
Once the battery is fully charged and securely installed in a compatible HART 20V tool, the tool is ready for operation according to its specific user manual. The battery provides consistent power until its charge is depleted.
- Always refer to your specific HART 20V tool's instruction manual for detailed operating procedures.
- Monitor the tool's performance. A decrease in power or speed indicates the battery charge is low and requires recharging.
- Avoid completely draining the battery, as this can reduce its overall lifespan. Recharge when power noticeably diminishes.
6. Maintenance
6.1 Cleaning
- Keep the battery pack's exterior clean and free of debris. Use a clean, dry cloth to wipe down the battery.
- Do not use water, solvents, or harsh chemicals to clean the battery.
- Ensure the battery terminals are clean and free of corrosion.
6.2 Storage
- Store the battery pack in a cool, dry place, away from direct sunlight, heat sources, and moisture.
- For long-term storage, it is recommended to store the battery with a partial charge (around 50%) rather than fully charged or fully discharged.
- Keep the battery away from metal objects that could short-circuit the terminals.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Battery not charging. |
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| Tool not operating with charged battery. |
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| Reduced runtime. |
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8. Specifications
| Feature | Detail |
|---|---|
| Model Number | HPB01 |
| Battery Type | Lithium-Ion |
| Voltage | 20 Volts |
| Capacity | 1.5 Ah |
| Item Weight | 0.42 Kilograms (14.8 ounces) |
| Package Dimensions | 4.57 x 4.41 x 4.33 inches |
| Manufacturer | Hart |
| Date First Available | July 23, 2022 |
9. Warranty and Support
For warranty information, product support, or to purchase replacement parts, please refer to the official HART website or contact HART customer service directly. Keep your purchase receipt as proof of purchase for warranty claims.
HART Customer Service: Please visit www.harttools.com for contact information and support resources.





