Introduction
This manual provides instructions for the safe and effective use of your UpBright 12V AC Adapter. This adapter is designed to power and charge specific Coleman rechargeable lanterns, including models 5342 and 5348. Please read this manual thoroughly before use to ensure proper operation and to prevent damage to your device or the adapter.
Setup and Compatibility
Before connecting the adapter, verify that your device is compatible with a 12V AC input. This adapter is specifically designed for Coleman lanterns that utilize a 12V rechargeable battery system (typically two 6-volt batteries in series). It is not compatible with single 6V battery versions.

Image: This diagram illustrates the compatibility of the UpBright AC Adapter. It is compatible with 12V rechargeable battery systems (indicated by a green checkmark) and explicitly incompatible with 6V rechargeable battery systems (indicated by a red 'X').
Connecting the Adapter
- Inspect the Adapter: Ensure the adapter and its cable are free from any visible damage.
- Verify Device Input: Confirm that the charging port on your Coleman lantern matches the barrel connector of the UpBright adapter.
- Connect to Device: Insert the barrel connector of the adapter firmly into the charging port of your Coleman lantern.
- Connect to Power Outlet: Plug the AC adapter into a standard 100-240VAC 50/60Hz wall outlet.

Image: A close-up view of the barrel connector on the UpBright AC Adapter, which connects to the compatible device's charging port.
Operating Instructions
Once properly connected, the adapter will begin to supply power to your Coleman lantern. If the lantern has a charging indicator, observe it to confirm that charging has initiated.
- Charging: Allow sufficient time for your lantern's battery to fully charge. Refer to your lantern's specific manual for estimated charging times.
- Safety Features: The UpBright adapter incorporates multiple protection mechanisms:
- OVP (Over Voltage Output Protection): Prevents excessive voltage from reaching your device.
- OCP (Over Current Output Protection): Safeguards against excessive current flow.
- SCP (Short Circuit Output Protection): Protects against short circuits.

Image: The UpBright 12V AC adapter, featuring its compact design and coiled power cable, ready to be connected for charging.

Image: This graphic highlights the advanced power management chips and various protection features integrated into the UpBright AC Adapter, such as short-circuit, over-temperature, over-voltage, and overcurrent protection.
Maintenance
- Cleaning: Disconnect the adapter from the power outlet and the device before cleaning. Use a soft, dry cloth to wipe the adapter. Do not use liquid cleaners or solvents.
- Storage: Store the adapter in a cool, dry place away from direct sunlight and moisture when not in use. Avoid wrapping the cable too tightly to prevent damage.
- Inspection: Periodically inspect the adapter and cable for any signs of wear, cuts, or damage. Discontinue use if damage is observed.
Troubleshooting
Adapter Not Supplying Power
- Check Power Outlet: Ensure the wall outlet is functional by testing it with another device.
- Verify Connections: Confirm that the adapter is securely plugged into both the wall outlet and the Coleman lantern.
- Inspect Adapter and Cable: Look for any physical damage to the adapter or its cable. If damaged, discontinue use and replace.
Lantern Not Charging
- Confirm Compatibility: Re-verify that your Coleman lantern requires a 12V AC input. This adapter is not for 6V versions. Refer to your lantern's manual.
- Check Lantern Battery: Ensure the rechargeable batteries in your lantern are in good condition and capable of holding a charge. Old or faulty batteries may not charge.
- Lantern's Charging Port: Inspect the charging port on your lantern for any debris or damage that might prevent a proper connection.
Specifications
| Feature | Detail |
|---|---|
| Brand | UPBRIGHT |
| Model Number | Coleman 12VAC 400mA A35W120400-13/1 PSU |
| Input Voltage | 100-240VAC, 50/60Hz (World Wide Input) |
| Output Voltage | 12V AC |
| Output Current | 400mA (0.4A) |
| Wattage | 4.8 Watts |
| Connector Type | Barrel Connector |
| Safety Protections | OVP (Over Voltage Protection), OCP (Over Current Protection), SCP (Short Circuit Protection) |
| Color | Black |
| Power Source | Corded Electric |
| Power Plug | Type A - 2 pin (North American) |
Warranty Information
The UpBright 12V AC Adapter comes with the following warranty:
- Refund Policy: 30 Days Refund from the date of purchase.
- Exchange Policy: 24 Months Exchange for defective units.
Please retain your proof of purchase for warranty claims. The warranty covers manufacturing defects and does not cover damage caused by misuse, accidents, or unauthorized modifications.
Support
For further assistance or inquiries regarding your UpBright 12V AC Adapter, please refer to the following resources:
- Online Support: Visit the official UpBright Store on Amazon for product information and frequently asked questions.
- Contact Seller: If you purchased this product through Amazon, you can contact the seller, Metasources, directly through your Amazon order history for specific product support.