1. Introduction
Thank you for choosing the Koolatron P9 AZ 12V Thermoelectric Cooler and Warmer. This portable appliance is designed to keep your food and beverages cool or warm, making it ideal for travel, camping, picnics, and daily use in your car, truck, or boat. Please read this manual thoroughly before operating the unit to ensure safe and efficient use.

The Koolatron P9 AZ cooler with its lid open, showcasing its interior filled with various food items and beverages, ready for use.
2. Safety Information
- Read all instructions before using the appliance.
- Ensure the power source matches the voltage requirements of the cooler (12V DC). An optional AC adapter (110V) is sold separately for indoor use.
- Do not immerse the unit in water or other liquids.
- Keep the fan and vents clear of obstructions to ensure proper airflow and efficient operation.
- To avoid draining your vehicle's battery when using 12V mode, only operate the cooler when the engine is running.
- Minimize opening and closing the lid and ensure it is properly closed to maintain desired temperatures.
- Do not use the appliance if the power cord or plug is damaged.
3. Package Contents
Your Koolatron P9 AZ package includes:
- Koolatron P9 AZ Thermoelectric Cooler and Warmer Unit
- 12V DC Power Plug (for vehicle use)
- Adjustable Shoulder Strap
4. Setup
4.1 Initial Preparation
- Before first use, clean the interior and exterior of the cooler with a damp cloth.
- For quickest cooling, pre-chill items before placing them in the cooler.
- Ensure the fan is not blocked by any items inside or outside the cooler to allow for effective operation.
4.2 Power Connection
The Koolatron P9 AZ can be powered by two methods:
- 12V DC Vehicle Power: Connect the included 12V DC power cord to your vehicle's cigarette lighter or 12V power outlet.
- 110V AC Household Power (Adapter Sold Separately): For indoor use, you will need an optional 110V AC adapter. Connect the adapter to a standard wall outlet, then connect the cooler to the adapter.

A visual guide demonstrating how to connect the cooler to a 12V DC power source in a vehicle and an optional AC adapter for indoor use. It also shows how to select between warming (red dot) and cooling (blue dot) modes.
This official video from Koolatron Corporation showcases the Traveller III P9 Thermoelectric 12V Cooler Warmer, highlighting its key features, capacity, and dual cooling/warming functions for various travel and outdoor scenarios.
5. Operating Instructions
5.1 Cooling Function
- To activate cooling, ensure the power cord is connected and switch the unit to the 'Cool' setting (indicated by a blue dot or snowflake symbol).
- The thermoelectric technology will cool the interior to approximately 40°F (22°C) below the surrounding ambient temperature.
- For optimal cooling performance, place pre-chilled items inside.
5.2 Warming Function
- To activate warming, ensure the power cord is connected and switch the unit to the 'Warm' setting (indicated by a red dot or wavy lines symbol).
- The unit will warm the interior up to 135°F (57°C).
- This function is suitable for keeping cooked food, hot sandwiches, or coffee warm.
5.3 Capacity and Portability
- The cooler has a 9 L (9.8 Qt) capacity, accommodating up to 12 standard soft drink cans. The domed lid allows for taller items.
- An adjustable shoulder strap is included for comfortable and convenient transport.
- The snap-lock lid helps prevent accidental opening during transport.

An image detailing key features of the Koolatron P9 AZ cooler, including its secure airtight seal, snap-fit lid lock, convenient carry strap, and the internal fan for iceless thermoelectric cooling.

The cooler shown with water bottles inside, demonstrating its practical capacity for various outdoor activities like road trips, tailgating, and picnics.
6. Maintenance
6.1 Cleaning
- The interior of the cooler is stain-resistant and easy to clean. Wipe with a damp cloth and mild detergent as needed.
- Do not use abrasive cleaners or harsh chemicals that could damage the unit.
- Ensure the unit is unplugged before cleaning.
6.2 Storage
- When not in use, store the cooler in a dry, cool place.
- Ensure the lid is securely closed during storage to prevent dust accumulation.
7. Troubleshooting
If you experience issues with your Koolatron P9 AZ, consider the following common solutions:
- Unit not powering on: Check if the power cord is securely plugged into both the cooler and the power source (12V DC outlet or AC adapter). Ensure the vehicle engine is running if using 12V DC.
- Insufficient cooling/warming: Verify that the fan and vents are not blocked. Ensure the lid is tightly closed. Pre-chill items before placing them in the cooler for better cooling performance. The lowest possible temperature depends on the surrounding ambient temperature.
- Excessive noise: Check for any obstructions in the fan. Ensure the unit is placed on a stable, flat surface.
For further assistance, please refer to the detailed troubleshooting section in the full product manual or contact Koolatron customer support.
8. Specifications
| Feature | Detail |
|---|---|
| Brand Name | Koolatron |
| Model Info | P9 AZ |
| Item Weight | 5.61 pounds (2.55 Kilograms) |
| Product Dimensions | 13.5 x 10.75 x 12.25 inches |
| Capacity | 9 Liters (9.8 Quarts) |
| Installation Type | Freestanding |
| Form Factor | Chest |
| Special Features | Portable |
| Color | Charcoal Grey |
| Voltage | 12.0 V |
| Wattage | 36 watts |
| Defrost System | Manual |
| Door Hinges | Top |
| Material Type | Hard-sided Plastic |
9. Warranty & Support
9.1 Limited Warranty
The Koolatron P9 AZ comes with a 1-year limited warranty. This warranty covers manufacturing defects and issues under normal use. Please retain your proof of purchase for warranty claims.
9.2 Customer Support
For any questions, technical support, or warranty inquiries, please visit the official Koolatron website or contact their customer service department. Contact information can typically be found on the product packaging or the Koolatron website.





