

Zero Breeze | Ultimate Portable Air Conditioning
- 30 Day Risk Free Returns
- 3rd Generation Design & Mechanism
- Portability: Only 22 lbs, the smallest, lightest 5,280 BTU portable AC, offering comfort on-the-go.
- Rapid Cooling: Cools 20°F in 5 minutes, providing quick relief from the heat.
- Thermostat Setting: Set the Temperature Between 61℉ and 88℉.
- Battery-Powered: No need for power outlets; Mark 3 runs on batteries.
- Solar-Powered: Mark 3 is the first 500W solar-powered portable AC.
- No Installation: Set up in 5 minutes without drilling or cords.
- Ultra-Low Power: Consumes a minimum of 150W, saving energy and costs.
- Dual-Function: Heats and cools for year-round comfort.
- Dehumidify: Effectively reduces humidity, creating a more comfortable environment.
- Active Drain System: Say goodbye to condensation hassles.
Unleash Efficient Climate Control
7 MODES
Endless Use
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Overland Adventures
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Camping
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Vans
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Trucks
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Taligates. Picnics.
PORTABLE. POWERFUL. PRACTICAL
Tiny Yet Mighty. The Mark 3 is our latest portable air conditioner equipped with 5280 BTU cooling capacity. It weighs just under 22 lbs and has a climate control feature that allows you to set and maintain the temperature to as low as 61°F and as warm as 88°F for spaces between 100-150 ft².
Among all ~5000 BTU air conditioners, the Mark 3 is by far the most portable air conditioner in the world.

American Made
- Portability: Only 22 lbs, the smallest, lightest
- 5,280 BTU portable AC, offering comfort on-the-go.
- Rapid Cooling: Cools 20°F in 5 minutes, providing quick relief from the heat.
- Thermostat Setting: Set the Temperature Between 61℉ and 88℉.
- Battery-Powered: No need for power outlets; Mark 3 runs on batteries.
- Solar-Powered: Mark 3 is the first 500W solar-powered portable AC.
- No Installation: Set up in 5 minutes without drilling or cords.
- Ultra-Low Power:
- Consumes a minimum of 150W, saving energy and costs.
- Dual-Function: Heats and cools for year-round comfort.
- Dehumidify: Effectively reduces humidity, creating a more comfortable environment.
- Active Drain System: Say goodbye to condensation hassle

THERMOSTAT CONTROL
We know everyone experiences heat differently so take advantage of the thermostat feature and let yourself forget that the temperature was ever an issue. Adjust the cooling, heating, and dehumidifying ranges freely according to your needs.

Mark 3 Battery Specification
ZERO BREEZE Mark 3 Battery Pack - Portable Power Redefined
Unleash unlimited cooling power with the sophisticated 1022Wh powerhouse designed for true outdoor freedom.
Power Without Compromise
The ZERO BREEZE Mark 3 Battery Pack delivers exceptional performance in a compact design. Featuring advanced 21700 Lithium-Ion Polymer cells, this 1022Wh powerhouse provides up to 7 hours of cooling in Sleep Mode or 3-5 hours in standard cooling mode – ensuring your comfort never has to end when the adventure begins.
Intelligent Power Management
Experience worry-free operation with comprehensive protection systems that guard against short circuits, overcurrent, low voltage, and overheating. The intelligent battery management system optimizes performance while extending battery life, making this the most reliable portable power solution for your Mark 3 air conditioner.
Versatile Charging Options
Stay powered anywhere with multiple charging solutions:
Ultra-Fast Wall Charging: 0% to 80% in just 2 hours with the official adapter
Solar Ready: Compatible with 12V-60V solar panels for true off-grid freedom
Vehicle Charging: Recharge from your car, RV, or boat with the 12V cigarette port adapter
Expandable Power System
Take control of your power needs with the innovative chaining system. Connect 2, 3, 4, or more batteries seamlessly for extended runtime. The pass-through charging feature allows you to charge and discharge simultaneously – perfect for lengthy outdoor stays.
Versatile Power Hub
More than just an AC battery, the Mark 3 Battery serves as your portable power station with:
High-output 42V-58.8V main connection (550W max)
12V Anderson output (120W) for additional devices
100W USB-C PD port for fast-charging laptops and devices
QC 3.0 USB-A port for smartphones and tablets
Premium Construction
Engineered for the outdoors, the sleek, durable design weighs just 14 lbs (6.4kg) and features a compact footprint of 20"L × 8"W × 4"H. Built to perform in extreme environments from 14°F to 104°F (-10°C to 40°C), this battery thrives where others fail.
Zero BREEZE Mark 3 Portable AC Ultimate Kit | 5,280 BTU - No Thanks / No Thank You is backordered and will ship as soon as it is back in stock.