Kircuit 21V AC/DC Adapter Instruction Manual

1. Product Overview

The Kircuit 21V AC/DC Adapter is designed to meet the power requirements of your compatible device, specifically the Autder AD380, AD-380, and AD380-01 180PSI Pistol-Shaped Handheld Cordless Smart Tire Inflator Air Compressor. This adapter converts standard AC wall power into the necessary 21V DC power for operating your device or charging its battery. It serves as a reliable power source for use at home, in the office, or as a replacement.

What's Included:

• 1 x Kircuit 21V AC/DC Adapter

Image 1: The Kircuit 21V AC/DC Adapter, showing its compact design and electrical specifications printed on the casing.

2. Safety Information

• Use only with compatible devices as specified.
• Do not expose the adapter to water, moisture, or extreme temperatures.
• Avoid dropping or subjecting the adapter to strong impacts.
• Do not attempt to open or modify the adapter. There are no user-serviceable parts inside.
• Ensure the power outlet is easily accessible and unplug the adapter during electrical storms or when unused for long periods.
• Keep out of reach of children.

3. Setup Instructions

1. Verify Compatibility: Ensure your device is an Autder AD380, AD-380, or AD380-01 tire inflator, or another device requiring a 21V DC power input with a compatible barrel plug.
2. Connect to Device: Insert the barrel plug connector of the Kircuit AC/DC adapter into the power input port of your Autder tire inflator. Ensure a firm and secure connection.
3. Connect to Power Outlet: Plug the AC prongs of the adapter into a standard 100V-240V AC wall power outlet.
4. Power On: Once connected, your device should receive power or begin charging its internal battery, depending on its design.

Image 2: The Kircuit 21V AC/DC Adapter with its 6.5 ft power cord fully extended, ready for connection.

4. Operating Instructions

Once the Kircuit 21V AC/DC Adapter is properly connected to both the power outlet and your compatible Autder tire inflator, it will automatically begin supplying power. The adapter is designed for continuous operation to power your device or charge its battery. There are no additional controls on the adapter itself.

• Ensure the adapter is securely plugged into both the wall outlet and your device.
• Monitor your device's charging indicator (if available) to confirm it is receiving power.
• Unplug the adapter from the wall outlet when not in use to conserve energy and for safety.

Image 3: The Kircuit 21V AC/DC Adapter plugged into a power strip, demonstrating its use in a typical environment.

5. Maintenance

• Cleaning: Disconnect the adapter from all power sources before cleaning. Use a soft, dry cloth to wipe the exterior. Do not use liquid cleaners or solvents.
• Storage: Store the adapter in a cool, dry place away from direct sunlight and extreme temperatures. Avoid tightly winding the cable to prevent damage.
• Inspection: Periodically inspect the adapter and cable for any signs of damage, such as frayed wires, cracks, or bent prongs. If damage is found, discontinue use immediately.

6. Troubleshooting

• Device Not Powering On/Charging:
  • Ensure the adapter is securely plugged into both the wall outlet and the device.
  • Check if the wall outlet is functional by plugging in another device.
  • Verify that the adapter's barrel plug is fully inserted into the device's power port.
  • Confirm that your device is compatible with a 21V DC input.
• Adapter Feels Warm:
  • It is normal for power adapters to become slightly warm during operation. If the adapter becomes excessively hot to the touch or emits a burning smell, unplug it immediately and discontinue use.
• Loose Connection:
  • If the connection feels loose, gently adjust the barrel plug in the device's port. If the problem persists, inspect the port and plug for damage.

7. Specifications

8. Warranty and Support

For warranty information and customer support, please refer to the terms and conditions provided by your retailer or the point of purchase. Kircuit products are typically covered by a standard manufacturer's warranty against defects in materials and workmanship. Please retain your proof of purchase for any warranty claims.