RadioShack Universal Smart Battery Charger Model 2309355 Instruction Manual

1. Introduction

This manual provides instructions for the operation and maintenance of your RadioShack Universal Smart Battery Charger, Model 2309355. This charger is designed to charge various rechargeable battery types, including Li-ion, NiMH, AA, AAA, C, D, and 9V batteries, with automatic detection and current adjustment for efficient charging.

2. Safety Information

Please read and understand all safety instructions before using the charger. Failure to follow these instructions may result in electric shock, fire, or personal injury.

• Use this charger only for rechargeable batteries specified in this manual. Attempting to charge non-rechargeable batteries may cause them to leak, rupture, or explode.
• Do not expose the charger to rain or moisture.
• Do not disassemble or modify the charger. Refer all servicing to qualified personnel.
• Ensure proper ventilation during charging. Do not cover the charger.
• Keep the charger away from children and pets.
• Unplug the charger from the power source when not in use.

3. Package Contents

Verify that all items are present in the package:

• RadioShack Universal Smart Battery Charger
• USB Power Cable

Image: The package includes the smart battery charger and a USB power cable.

4. Product Overview

The RadioShack Universal Smart Battery Charger features multiple charging bays and a digital display for monitoring battery status.

Image: Top-down view of the charger, showing the digital display and four main charging bays, plus two 9V slots.

Image: The digital display provides real-time information on battery health and charging status.

Image: The charging slots are designed for safe, universal charging with automatic battery detection.

Image: Side view of the charger, highlighting the USB input ports for power.

5. Setup

Follow these steps to set up your battery charger:

1. Connect Power: Use the provided USB cable to connect the charger to a compatible USB power source (e.g., a USB wall adapter, computer USB port, or power bank). The charger requires a DC 5V 2A input.
2. Power On: Once connected, the charger's digital display will illuminate, indicating it is ready for use.

Image: The included USB cable allows for connection to various USB power outlets, making the charger portable.

6. Operating Instructions

6.1 Inserting Batteries

Carefully insert rechargeable batteries into the appropriate charging bays. The charger supports various sizes and chemistries. Ensure correct polarity (+ and -) when inserting batteries. For 9V batteries, use the dedicated 9V slots.

6.2 Automatic Battery Detection

The charger automatically detects the battery type (Li-ion, NiMH, etc.) and adjusts the charging current accordingly. This ensures optimal and safe charging for each battery.

6.3 Understanding the Digital Display

The digital display provides real-time information for each of the four main charging bays. Information typically includes:

• Battery Chemistry: Indicates Li-ion, NiMH, etc.
• Voltage: Current voltage of the battery.
• Current: Charging current being applied.
• Capacity: Estimated charged capacity.
• Elapsed Time: Duration of the charging process.

For 9V batteries, a small indicator light typically shows the charging status, but detailed information may not be displayed on the main screen.

6.4 Charging Process

Once batteries are inserted and detected, the charging process begins automatically. The display will update with charging progress. When a battery is fully charged, the display will indicate completion, and the charger will stop supplying current to prevent overcharging.

7. Compatible Battery Types

The charger supports a wide range of rechargeable battery types and sizes:

Image: The bottom label of the charger lists detailed input, output, and compatible battery specifications.

8. Troubleshooting

If you encounter issues with your charger, refer to the following common problems and solutions:

• Charger Not Powering On:
  • Ensure the USB cable is securely connected to both the charger and a functional USB power source.
  • Verify that the USB power source provides at least DC 5V 2A.
  • Try a different USB cable or power adapter.
• Batteries Not Charging:
  • Check that batteries are inserted with correct polarity.
  • Ensure the batteries are rechargeable and compatible with the charger (refer to Section 7).
  • Clean battery contacts on both the charger and batteries if they appear dirty.
  • Some batteries, particularly certain CR123A types, may not fit securely in the slots despite being listed as compatible. Ensure a proper physical connection.
• "ERR" Display Message:
  • This typically indicates a problem with the battery, such as being non-rechargeable, damaged, or incorrectly inserted.
  • Remove and reinsert the battery. If the error persists, the battery may be faulty.
• Slow Charging:
  • Charging speed can vary based on the battery's capacity, current charge level, and the number of batteries being charged simultaneously.
  • Ensure your USB power source provides sufficient current (DC 5V 2A) for optimal charging speed.

9. Specifications

10. Care and Maintenance

To ensure the longevity of your charger:

• Clean the charger with a soft, dry cloth. Do not use abrasive cleaners or solvents.
• Keep the charging contacts free from dust and debris.
• Store the charger in a cool, dry place when not in use.
• Avoid dropping the charger or subjecting it to strong impacts.

11. Warranty and Support

For warranty information or technical support, please refer to the documentation included with your purchase or contact RadioShack customer service. Keep your proof of purchase for warranty claims.