HC01
HERCULES 20V 5 Ah Extended Performance Lithium-Ion Power Tool Battery User Manual
Model: HC01
Introduction
This manual provides essential information for the safe and effective use of your HERCULES 20V 5 Ah Extended Performance Lithium-Ion Power Tool Battery, Model HC01. Please read this manual thoroughly before operating the battery and retain it for future reference.
The HERCULES 20V 5.0 Ah battery delivers enhanced power and extended runtime for compatible HERCULES 20V power tools. It features an easy-view fuel gauge and is designed for durability in various conditions.
Safety Information
Always observe the following safety precautions to prevent injury or damage to the battery and tools.
- Do not immerse the battery in water or other liquids.
- Do not store or use the battery in temperatures exceeding 122°F (50°C).
- Do not incinerate the battery, even if it is severely damaged or completely dead.
- Do not short-circuit the battery terminals.
- Use only chargers specified by the manufacturer for this battery.
- Keep the battery away from children.
- If battery fluid comes into contact with skin or eyes, flush with water immediately and seek medical attention.
- Do not attempt to open, disassemble, or service the battery pack.
What's in the Box
- HERCULES 20V 5 Ah Extended Performance Lithium-Ion Battery (Model HC01)

Image 1: The HERCULES 20V 5 Ah Extended Performance Lithium-Ion Power Tool Battery. This image shows the black battery pack with "20V LITHIUM-ION 5AH" clearly visible on its side, positioned next to a smiling construction worker giving a thumbs-up.
Setup
Charging the Battery
- Ensure the battery is clean and dry before charging.
- Insert the HERCULES 20V 5 Ah battery into a compatible HERCULES 20V battery charger.
- Connect the charger to a standard power outlet.
- The battery charges fully in approximately 90 minutes. Refer to your charger's manual for specific charging indicators.
- Once fully charged, remove the battery from the charger.
Attaching to a Power Tool
- Align the battery with the battery port on your HERCULES 20V power tool.
- Slide the battery firmly into place until it clicks, indicating it is securely locked.
- To remove, press the battery release button (if present on the tool) and slide the battery out.

Image 2: The HERCULES 20V 5 Ah battery with a graphic indicating "Works with All Hercules 20 Volt Tools". This highlights the battery's compatibility with the HERCULES 20V tool ecosystem.
Operating the Battery
Checking Battery Charge Level
The battery features an easy-view fuel gauge. Press the button on the battery pack to illuminate the indicator lights, showing the remaining charge level.
Extended Performance
This 5.0 Ah battery provides up to 2x longer runtime compared to the 2.5Ah 20V battery, allowing for extended operation of your power tools.
Maintenance
Cleaning
- Keep the battery terminals clean and free of debris. Use a dry cloth to wipe them if necessary.
- Do not use solvents or harsh chemicals to clean the battery.
Storage
- Store the battery in a cool, dry place, away from direct sunlight and moisture.
- For long-term storage, it is recommended to store the battery with a partial charge (around 50%).
- Avoid storing the battery in extreme temperatures.
Disposal
Lithium-ion batteries must be recycled or disposed of properly. Do not dispose of batteries in household waste. Contact your local waste management authority for information on recycling options.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Battery not charging | Charger not plugged in; faulty charger; battery too hot/cold; damaged battery. | Check charger connection; try a different charger; allow battery to reach room temperature; inspect battery for damage. |
| Battery not powering tool | Battery not fully charged; battery not properly seated; faulty tool; damaged battery. | Charge battery fully; ensure battery is securely clicked into place; test with another battery; inspect battery for damage. |
| Reduced runtime | Battery nearing end of life; extreme operating conditions; heavy tool usage. | Consider replacing battery; operate within recommended temperature ranges; this is normal for demanding tasks. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | HC01 |
| Battery Type | Lithium-Ion |
| Voltage | 20V |
| Capacity | 5.0 Ah |
| Approximate Charge Time | 90 minutes (with compatible HERCULES charger) |
| Weight | 1 pound (0.45 kg) |
| Manufacturer | HFT (Brand: Generic, Compatible with HERCULES) |
Warranty and Support
For warranty information or technical support, please refer to the documentation provided with your original purchase or contact the retailer. As this product is listed under a 'Generic' brand, specific warranty details may vary. Please retain your proof of purchase.
For additional support, you may visit the product page on Amazon.
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