1. Introduction
The Varta 57668 Universal Battery Charger is designed for efficient and safe charging of various types of rechargeable batteries. This manual provides essential information for the proper setup, operation, and maintenance of your charger, ensuring optimal performance and longevity for your batteries.
This charger is compatible with a wide range of battery sizes, including AAA, AA, C, D, and 9V rechargeable batteries.
2. Safety Information
Please read all safety instructions carefully before using the charger.
- Use this charger only for rechargeable batteries. Attempting to charge non-rechargeable batteries may lead to leakage, rupture, or explosion.
- Ensure correct battery polarity (+/-) when inserting batteries into the charger.
- Do not short-circuit the battery terminals.
- Do not expose the charger to rain, moisture, or extreme temperatures.
- Keep the charger away from children and pets.
- Unplug the charger from the power outlet when not in use or before cleaning.
- Do not disassemble or modify the charger. Refer all servicing to qualified personnel.
- The integrated safety timer prevents overcharging, but it is recommended to remove batteries once fully charged.
3. Product Features
- Universal Compatibility: Charges AAA, AA, C, D, and 9V rechargeable batteries.
- Safety Timer: Equipped with a safety timer to prevent overcharging and protect battery life.
- LED Indicators: Features 3 LED indicators for clear charging status.
- Worldwide Voltage Use: Designed for global compatibility, allowing use with various power outlets.
- Desk Charger Design: Compact and stable design suitable for desktop use.
- Efficient Charging: Provides a typical charging time of 5 hours and up, depending on battery capacity and type.
4. Setup
- Unpack: Carefully remove the Varta Universal Battery Charger from its packaging.
- Inspect: Check the charger for any signs of damage. Do not use if damaged.
- Connect Power: Plug the charger's power cord into a suitable wall outlet. The charger is designed for worldwide voltage use.
Figure 4.1: Overhead view of the Varta 57668 Universal Battery Charger, showing multiple slots for various battery sizes and LED indicators.
5. Operating Instructions
5.1 Inserting Batteries
- Identify the correct slot for your battery size (AAA, AA, C, D, or 9V).
- Insert the rechargeable battery into the designated slot, ensuring the correct polarity (+ and - ends) matches the markings on the charger. Incorrect insertion can prevent charging or damage the battery/charger.
- You can charge up to 4 batteries simultaneously (depending on size combination).
5.2 Charging Process
- Once batteries are correctly inserted and the charger is plugged in, the LED indicators corresponding to the charging slots will illuminate to indicate charging is in progress.
- The charging time is approximately 5 hours or more, depending on the battery capacity and its current charge level.
- The charger features a safety timer to prevent overcharging.
5.3 LED Indicator Status
| LED Status | Meaning |
|---|---|
| Solid Green | Battery is charging. |
| Off | Battery is fully charged or not inserted correctly, or no battery is present. |
| Flashing (if applicable) | Error (e.g., non-rechargeable battery, damaged battery, or incorrect polarity). Remove battery and re-insert or replace. |
5.4 Removing Batteries
Once the charging process is complete (LED turns off), carefully remove the batteries from the charger. Unplug the charger from the power outlet when all batteries are removed or when not in use.
6. Maintenance
- Cleaning: Before cleaning, ensure the charger is unplugged from the power outlet. Wipe the exterior of the charger with a soft, dry cloth. Do not use abrasive cleaners or immerse the charger in water.
- Storage: Store the charger in a cool, dry place away from direct sunlight and extreme temperatures when not in use.
- Battery Care: For optimal battery life, avoid completely draining rechargeable batteries before recharging them.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| LEDs do not light up when batteries are inserted. | Charger not plugged in; batteries inserted incorrectly; batteries already fully charged; non-rechargeable or faulty batteries. | Ensure charger is plugged in. Check battery polarity. Try charging a different, known-good rechargeable battery. Replace non-rechargeable or faulty batteries. |
| Batteries are not charging or take too long. | Batteries are old/worn out; charger is faulty; incorrect battery type. | Replace old batteries. Ensure you are using rechargeable batteries. If problem persists, contact customer support. |
| Charger feels warm during operation. | Normal during charging. | This is normal. If it becomes excessively hot or emits smoke/smell, unplug immediately and discontinue use. |
8. Specifications
| Attribute | Detail |
|---|---|
| Brand | Varta |
| Model | 57668/VE1/BLI |
| Product Dimensions (LxWxH) | 18 x 8.7 x 24 cm |
| Item Weight | 324 g |
| Input Voltage | Universal (Worldwide use) |
| Charging Time | Approximately 5 hours and up (depending on battery type and capacity) |
| Batteries Supported | AAA, AA, C, D, 9V (Rechargeable) |
| Safety Features | Safety Timer (prevents overcharging) |
9. Warranty and Support
This Varta 57668 Universal Battery Charger comes with a 3-Year Warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use.
For warranty claims, technical support, or any questions regarding your product, please contact Varta customer service through their official website or the retailer from whom you purchased the product. Please retain your proof of purchase for warranty validation.
Do not attempt to repair the device yourself, as this may void the warranty.
