Introduction
This manual provides essential instructions for the safe and efficient use of your Panasonic Eneloop BQ-CC17 Advanced Individual Cell Battery Charger and the included Panasonic Eneloop AA NiMH rechargeable batteries (Model: BK-3MCCA4BA). Please read this manual thoroughly before use and retain it for future reference.
Safety Information
To prevent injury, property damage, or damage to the product, observe the following safety precautions:
- Use this charger only for NiMH rechargeable batteries. Do not attempt to charge other types of batteries (e.g., alkaline, carbon-zinc, lithium) as this may cause explosion, rupture, or leakage.
- Do not disassemble, modify, or short-circuit the charger or batteries.
- Do not expose the charger or batteries to water, fire, or extreme temperatures.
- Keep batteries and charger out of reach of children.
- If battery leakage occurs, avoid contact with skin and eyes. Rinse immediately with water and seek medical attention if contact occurs.
- Always insert batteries with correct polarity (+ and -) as indicated on the charger and batteries.
- Unplug the charger from the power outlet when not in use or before cleaning.
Package Contents
Verify that all items are present in your package:
- 1 x Panasonic Eneloop BQ-CC17 Advanced Individual Cell Battery Charger
- 4 x Panasonic Eneloop AA NiMH Rechargeable Batteries (BK-3MCCA4BA)

An image displaying the Panasonic BQ-CC17 battery charger, which can charge up to four AA or AAA batteries simultaneously. Four Panasonic Eneloop AA rechargeable batteries are shown inserted into the charging slots.
Setup
- Unpack the Charger and Batteries: Carefully remove all components from the packaging.
- Inspect for Damage: Check the charger and batteries for any visible signs of damage. Do not use if damaged.
- Insert Batteries: Insert 1 to 4 AA or AAA NiMH rechargeable batteries into the charging slots. Ensure correct polarity (+ and -) by matching the battery terminals with the markings inside the charger slots. The included Eneloop AA batteries are pre-charged and ready for use, but can be charged further if desired.
- Connect to Power: Plug the charger into a standard AC power outlet (AC100-240V). The charger is designed for worldwide voltage compatibility.
Operating Instructions
Charging Process:
- Once batteries are correctly inserted and the charger is plugged in, the LED indicator for each slot will illuminate.
- LED Indicator Status:
- Green LED On: Battery is charging.
- Green LED Off: Charging is complete.
- Red LED Flashing: Indicates a non-rechargeable battery, a damaged battery, or incorrect polarity. Remove the battery immediately.
- The charger features individual cell charging, meaning each battery is charged independently.
- Charging time for AA Eneloop batteries (2000mAh) is approximately 7 hours.
- Once charging is complete (LED turns off), unplug the charger and remove the batteries.
Battery Features:

This graphic demonstrates the long storage life of Eneloop batteries, indicating they can retain up to 70% of their charge for up to 10 years when not in use.

This graphic illustrates the reusability of Eneloop batteries, highlighting their capability to be recharged up to 2100 times, reducing waste.

This graphic shows that Eneloop batteries come pre-charged using solar power, emphasizing their environmentally friendly manufacturing process.

This graphic highlights the performance of Eneloop batteries in low temperatures, indicating they can operate effectively down to -4 degrees Fahrenheit (-20 degrees Celsius).
Maintenance
- Cleaning: Disconnect the charger from the power outlet before cleaning. Wipe the charger and batteries with a dry, soft cloth. 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 at approximately 50% charge.
- Battery Life: Eneloop batteries are designed for up to 2100 recharge cycles. Battery performance may gradually decrease over time and with repeated use.
- Disposal: Dispose of depleted or damaged batteries according to local regulations. Do not dispose of batteries in household waste.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| LED does not light up when batteries are inserted and charger is plugged in. |
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| Red LED flashes. |
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| Batteries do not hold charge well after charging. |
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Specifications
Charger (BQ-CC17):
- Input Voltage: AC 100-240V, 50/60Hz
- Output Voltage: DC 1.5V (AA), DC 1.5V (AAA)
- Charging Current: AA: 300mA x 4, AAA: 150mA x 4
- Charging Control: Individual cell charge control, Smart Charge (Delta V)
- Indicators: 4 LED indicators (Green: Charging, Off: Complete, Red Flashing: Error)
- Approximate Charging Time:
- AA Eneloop (2000mAh): Approx. 7 hours
- AAA Eneloop (800mAh): Approx. 6 hours
Batteries (AA NiMH Eneloop BK-3MCCA4BA):
- Type: NiMH (Nickel Metal Hydride)
- Size: AA
- Nominal Voltage: 1.2V
- Capacity: 2000mAh (typical), 1900mAh (minimum)
- Recharge Cycles: Up to 2100 times
- Charge Retention: Maintains up to 70% of charge after 10 years (when not in use)
- Pre-charged: Yes, with solar energy
- Low Temperature Performance: Operates down to -4°F (-20°C)
Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the warranty card included with your product packaging or visit the official Panasonic Eneloop website. Contact details for customer support are typically provided on the manufacturer's website.