Hyper Tough AQ90079J
Hyper Tough 20-Volt Max Lithium-ion Power Tool Battery Fast Charger AQ90079J User Manual
Model: AQ90079J
Introduction
Thank you for choosing the Hyper Tough 20-Volt Max Lithium-ion Power Tool Battery Fast Charger, Model AQ90079J. This charger is designed to quickly and efficiently recharge your Hyper Tough 20V Max HT Charge Lithium-ion batteries. Please read this manual carefully before using the charger to ensure safe and optimal performance. Keep this manual for future reference.

Image: Hyper Tough 20-Volt Max Lithium-ion Power Tool Battery Fast Charger (Model AQ90079J) with its power cord.
General Safety Information
Always observe basic safety precautions when using electrical appliances to reduce the risk of fire, electric shock, and personal injury.
- Read All Instructions: Before using the battery charger, read all instructions and cautionary markings on the battery charger, battery pack, and product using the battery pack.
- Indoor Use Only: This charger is designed for indoor use only. Do not expose to rain or wet conditions.
- Proper Voltage: Ensure the power supply voltage matches the voltage specified on the charger's rating plate.
- Avoid Damage: Do not operate the charger if it has received a sharp blow, been dropped, or otherwise damaged. Take it to a qualified service person.
- Ventilation: Do not block ventilation openings. Ensure adequate airflow around the charger during operation.
- Unplug When Not In Use: Unplug the charger from the outlet when not in use and before cleaning.
- Use Only Specified Batteries: Only charge Hyper Tough 20V Max HT Charge Lithium-ion batteries with this charger. Charging other types of batteries may cause them to burst, leading to personal injury and damage.
- Do Not Incinerate: Do not incinerate the charger or battery pack even if they are severely damaged. Batteries can explode in a fire.
- Avoid Short Circuits: Do not short-circuit the battery terminals.
- Supervision: Close supervision is necessary when the charger is used by or near children.
Setup
Setting up your Hyper Tough battery charger is straightforward.
- Unpack the Charger: Carefully remove the charger from its packaging. Inspect it for any signs of damage.
- Choose a Location: Place the charger on a stable, flat, non-flammable surface in a well-ventilated area. Ensure it is away from direct sunlight, heat sources, and moisture.
- Connect to Power: Plug the charger's power cord into a standard 120V AC electrical outlet. The charger is now ready for use.

Image: Top view of the Hyper Tough charger, showing the battery slot and indicator lights.
Operating Instructions
Follow these steps to charge your Hyper Tough 20V Max HT Charge Lithium-ion battery.
- Insert Battery: Slide the Hyper Tough 20V Max HT Charge Lithium-ion battery pack into the charger's slot, ensuring it clicks securely into place.
- Monitor Charging Indicators: The charger features indicator lights to show the charging status. Refer to the table below for details.
- Charging Time: A 1.5Ah battery will fully charge in approximately 45 minutes. A 2.0Ah battery will fully charge in approximately 1 hour.
- Remove Battery: Once charging is complete (indicated by the lights), remove the battery pack from the charger by pressing the release button (if present on the battery) and sliding it out.

Image: Hyper Tough charger with a 20V Max Lithium-ion battery pack securely inserted into the charging slot.
Indicator Lights

Image: Close-up view of the Hyper Tough charger's LED indicator lights, showing battery status icons.
| Indicator | Status | Description |
|---|---|---|
| Green Light (Solid) | Fully Charged | The battery pack is fully charged and ready for use. |
| Green Light (Flashing) | Charging | The battery pack is currently charging. |
| Red Light (Solid) | Battery Error / Damaged | Indicates a problem with the battery pack. It may be damaged or defective. Do not attempt to charge. |
| Red Light (Flashing) | Temperature Error | The battery pack is too hot or too cold to charge. Move the battery and charger to a room temperature environment (10°C - 40°C / 50°F - 104°F) and allow it to cool down or warm up before attempting to charge again. |
Maintenance
Proper maintenance ensures the longevity and safe operation of your charger.
- Cleaning: Disconnect the charger from the power outlet before cleaning. Use a soft, dry cloth to wipe the exterior of the charger. Do not use water or harsh cleaning agents.
- Storage: Store the charger in a cool, dry place, away from direct sunlight and moisture. When not in use, it is recommended to unplug the charger.
- Cord Care: Regularly inspect the power cord for any damage. Do not use the charger if the cord is frayed or damaged.
Troubleshooting
If you encounter issues with your Hyper Tough charger, refer to the following common problems and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Charger not working / No lights | No power to the outlet. Charger or cord is damaged. | Check the power outlet with another appliance. Inspect the charger and cord for damage. If damaged, do not use and contact customer support. |
| Battery not charging (Red light solid) | Battery pack is defective or damaged. | Try a different Hyper Tough 20V Max battery pack if available. If the issue persists with multiple batteries, the charger may be faulty. If only one battery causes this, that battery may be defective. |
| Battery not charging (Red light flashing) | Battery temperature is outside optimal range. | Move the battery and charger to a room temperature environment (10°C - 40°C / 50°F - 104°F) and allow it to normalize for at least 30 minutes before attempting to charge again. |
| Charging takes too long | Battery capacity is higher (e.g., 2.0Ah vs 1.5Ah). Charger or battery issue. | Refer to the expected charging times (45 mins for 1.5Ah, 1 hour for 2.0Ah). If significantly longer, ensure proper ventilation and contact support if the issue persists. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | AQ90079J |
| Brand | Hyper Tough |
| Input Voltage | 120V AC, 60Hz |
| Output Voltage | 20 Volts Max |
| Compatible Batteries | Hyper Tough 20V Max HT Charge Lithium-ion Batteries |
| Charging Time (1.5Ah Battery) | Approximately 45 minutes |
| Charging Time (2.0Ah Battery) | Approximately 1 hour |
| UPC | 889526210168 |
Warranty and Support
Warranty Information
This Hyper Tough charger comes with a 2-year limited warranty. Please retain your proof of purchase for warranty claims. The warranty covers defects in material and workmanship under normal use. It does not cover damage resulting from misuse, abuse, alteration, or unauthorized repair.

Image: Retail packaging of the Hyper Tough charger, indicating a 2-year limited warranty.
Customer Support
For technical assistance, warranty claims, or general inquiries, please contact Hyper Tough customer support. Refer to the product packaging or the Hyper Tough official website for the most current contact information.
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