ZERO BREEZE | Mark 2 Smart Battery 840Wh The ZERO BREEZE Mark 2 Smart Battery is a high-capacity portable power source designed specifically for the Mark 2 Portable Air Conditioner. Featuring a 24V 35Ah (840Wh) lithium-ion battery pack, it delivers reliable off-grid power for extended cooling performance during camping, RV travel, van life, boating, and outdoor adventures. In addition to powering the Mark 2 AC, the battery includes USB-C PD, USB-A, and DC output ports for charging phones, tablets, laptops, and other electronic devices. Its compact design, integrated battery management system, and portable form factor make it an essential companion for mobile cooling and outdoor power needs. KEY FEATURES Designed for ZERO BREEZE Mark 2 Portable Air Conditioner 840Wh High-Capacity Battery (24V 35Ah) 18650 Lithium-Ion Polymer Battery Cells USB-C PD Output up to 45W USB-A Output for Mobile Devices 12V DC Output Port Reliable Off-Grid Power Solution Rechargeable and Portable Design Ideal for Camping, RVs, Vans, Boats, and Emergency Backup Use Specifications Battery Type 18650 Lithium-Ion Polymer Battery Capacity 24V 35Ah/ 840Wh DC Charge Input 18V-36V (Recommended input voltage: 21V-27V) Full Charge Time About 6 hours(by official power adapter) DC Jack Output 12V/5A Max USB Type C PD(5V,9V,12V,20V/45W Max) USB Type A 5V/2A Max Net Weight 12lb Size 20"L x 8.6"W x 2.3"H Operation Temperature 0℃-40℃ / 32°F-104℉ Manual & Downloads Mark 2 Battery User Manual