1. Introduction
The Panasonic K-KJ75KHC4BA Advanced Battery Charger with USB Charging Port and 4AA eneloop pro High Capacity Rechargeable Batteries provides a reliable and efficient power solution for your electronic devices. This system utilizes Panasonic's advanced rechargeable battery technology, allowing batteries to be recharged multiple times, offering consistent performance and long-lasting power.

Image: Panasonic K-KJ75KHC4BA Advanced Battery Charger with four eneloop pro AA batteries in packaging.
2. Product Features
- Extremely Powerful NiMH Rechargeable Batteries: eneloop pro AA high capacity Ni-MH pre-charged rechargeable battery deliver up to 2600mAh typical, 2500mAh minimum.
- Long Lasting Performance: Recharge eneloop pro AA rechargeable batteries up to 500 times.
- Pre-Charged and Ready to Use: eneloop pro AA and AAA rechargeable batteries are pre-charged at the factory using solar power and maintain up to 85% of their charge after 1 year (when unused and properly stored).
- Advanced Charging Capabilities: The Panasonic CC75 battery charger individually charges each eneloop pro AA and AAA rechargeable battery, resulting in a perfect charge every time.
- 4 Individual LED Indicators: The CC75 battery charger features 4 separate LED charging lights, one for each unique charging station.
- Versatile USB Charging Port: The CC75 battery charger features a USB charging port; 5V 1a that can be used to charge other devices.
- Battery Detection Technology: Each eneloop pro AA or AAA rechargeable battery is analyzed (when the battery is installed) and the charger station for that battery will end the charging process when each battery has been fully charged.
- Secure, Protective Packaging: This package contains four eneloop pro AA rechargeable batteries (made in Japan) and one CC75 charger, packaged together in the U.S.A.
Visual Overview

Image: Close-up of the Panasonic BQ-CC75 charger showing individual charging slots for AA or AAA batteries.

Image: The Panasonic BQ-CC75 charger plugged into a wall outlet, illustrating a full charge in up to 9 hours.

Image: The Panasonic BQ-CC75 charger with a smartphone connected via its USB charging port.

Image: Two eneloop pro batteries (AA and AAA) demonstrating their professional power capacity.

Image: A graphic illustrating that eneloop pro batteries can be recharged up to 500 times.

Image: A battery icon showing 85% charge, indicating that eneloop pro batteries maintain 85% charge for up to 1 year.

Image: Solar panels with eneloop pro batteries, highlighting that they are pre-charged using solar power.

Image: A waving American flag, stating that the product is made in Japan and packaged in the U.S.A.
Official Product Videos
Video: An official product overview demonstrating the features and use of the Panasonic Battery Charger and eneloop pro batteries.
Video: An official video highlighting the performance and sustainability aspects of eneloop pro batteries.
3. Setup
Before first use, ensure all components are present and undamaged. The package includes the Panasonic BQ-CC75 charger and four eneloop pro AA batteries.
Initial Battery Insertion
- Carefully unpack the charger and batteries from their packaging.
- Insert the eneloop pro AA or AAA batteries into the charging slots, ensuring correct polarity (+/-). The charger is designed to individually charge each battery.
- Extend the retractable AC plug from the back of the charger.
- Plug the charger into a standard AC wall outlet (100-240V compatible).

Image: Rear view of the Panasonic K-KJ75KHC4BA packaging, showing product details and usage information.
4. Operating Instructions
Charging Batteries
Once the batteries are inserted and the charger is plugged into a power outlet, the charging process will begin automatically. The charger individually monitors each battery to ensure optimal charging.
LED Indicators
The Panasonic BQ-CC75 charger features four individual LED indicators, one for each charging slot. These LEDs provide visual feedback on the charging status:
- LED On (Green): Battery is currently charging.
- LED Off: Battery is fully charged.
USB Charging Port
The charger includes a versatile USB charging port (5V 1A output) on the side. This port can be used to charge other USB-powered devices, such as smartphones or tablets, while the batteries are charging or when the charger is simply plugged into an outlet.
Approximate Charging Times
| Battery Type | Quantity | Approx. Charging Time |
|---|---|---|
| eneloop pro AA | 4 | Up to 9 hours |
| eneloop pro AAA | 4 | Up to 7 hours |
| eneloop AA | 4 | 7 hours |
| eneloop AAA | 4 | 6 hours |
Note: Charging times may vary based on battery condition and ambient temperature.
5. Maintenance
To ensure the longevity and optimal performance of your Panasonic charger and eneloop pro batteries, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the charger and batteries. Do not use liquid cleaners or solvents.
- Storage: Store the charger and batteries in a cool, dry place away from direct sunlight and extreme temperatures. For long-term storage, it is recommended to store batteries with a partial charge (e.g., 50%).
- Handling: Avoid dropping the charger or batteries. Do not short-circuit the batteries or expose them to fire.
6. Troubleshooting
If you encounter issues with your Panasonic charger or eneloop pro batteries, refer to the following common troubleshooting steps:
- Batteries Not Charging:
- Ensure the charger is securely plugged into a working power outlet.
- Verify that batteries are inserted with correct polarity (+/-).
- Check if the batteries are severely over-discharged. Some chargers may not detect extremely low voltage batteries.
- Inspect batteries for any physical damage or corrosion.
- LED Indicators Not Lighting Up:
- Confirm power supply to the charger.
- If batteries are already fully charged, the LEDs will be off.
- Slow Charging:
- Charging times can be affected by ambient temperature. Charge in a room temperature environment.
- Ensure the batteries are genuine eneloop pro batteries and not counterfeit.
For persistent issues, please contact customer support.
7. Specifications
| Feature | Detail |
|---|---|
| Product Dimensions | 1.25 x 4.75 x 8 inches |
| Item Weight | 8 ounces (0.5 Pounds) |
| ASIN | B07JZZDWLL |
| Item Model Number | K-KJ75KHC4BA |
| Manufacturer | eneloop |
| Country of Origin | Japan |
| Brand | Eneloop |
| Color | Black |
| Output Voltage | 5 Volts (USB Port) |
| Battery Type | NiMH (AA, AAA) |
| AA Battery Capacity | Up to 2600mAh |
| Recharge Cycles | Up to 500 times |
| Charge Retention | 85% after 1 year (when unused) |
8. Warranty and Support
For warranty information and customer support, please refer to the official Eneloop resources. Keep your purchase receipt for any warranty claims.
- Visit the Eneloop Store: Eneloop Official Store on Amazon
- Panasonic Battery Products Support: panasonicbatteryproducts.com/support





