How to Recharge Your Mark 2 Portable Air Conditioner Battery

How to Recharge Your Mark 2 Portable Air Conditioner Battery

The Mark 2 portable air conditioner is designed with a unique feature: it can be powered by its own portable rechargeable battery. This makes it an excellent choice for use anywhere off-grid or without access to traditional power sources. However, you might be wondering how to recharge this battery, especially when you are outdoors. This article will guide you through the various methods, from the simplest to the more advanced ways to ensure your Mark 2 battery is always ready to go.

Mark 2 Battery Specifications

Before we dive in, some specifications of the Mark 2 battery you might want to know:

  • Battery Type: 18650 Lithium-Ion Polymer Battery
  • Capacity: 24V 35Ah/ 840Wh
  • DC Charge Input: 18V-36V (Recommended input voltage: 21V-27V)
  • Operation Temperature: 0℃-40℃ / 32°F-104℉

AC Power Supply Charging for Mark 2 Battery

One of the easiest ways to recharge the Mark 2 battery is by using the standard AC/DC Adapter that comes with the unit. This adapter not only powers the air conditioner when connected to any AC power supply but also charges the Mark 2 battery.

110v AC DC adapter for Mark 2 portable air conditioner
  1. Connect the AC/DC adapter to the Mark 2 battery.
  2. Plug the adapter into any AC power supply.
  3. Allow the battery to charge fully, as indicated by the charging light on the unit.

This method is straightforward and efficient, ensuring your battery is ready for use at home or a campsite with electricity.

Car Charging for Mark 2 Battery

When you're ready to hit the road after a cool night’s sleep, you can charge your Mark 2 battery in your car without using the air conditioner. Most vehicles are equipped with a 12V DC electrical system, accessible via the car's cigarette lighter. By utilizing a 12V to 24V converter, you can efficiently recharge the Mark 2 battery while on the go.

  1. Insert the 12V to 24V converter plug into your car's cigarette lighter socket.
  2. Connect the output of the converter to the Mark 2 battery's charging port.

Important Note:

  • Avoid charging one or two batteries while simultaneously using the air conditioner via car charging. This can cause inefficiencies and potentially burn out your car's cigarette lighter fuse.
Car charging air conditioner

Special Offer: Summer Sale Take advantage of our summer sale: the $99 12V to 24V converter is now free with any Mark 2 package. Don't miss out on this limited-time offer!

Solar Charging for Mark 2 Battery

By harnessing solar power, you can efficiently recharge the Mark 2 battery, ensuring the air conditioner doesn't drain your primary battery system, leaving more energy for other equipment. Charging the Mark 2 battery with the ZERO BREEZE solar charging kit is straightforward. The ZERO BREEZE solar panel is designed with a 24V output specifically for the Mark 2. You'll need to connect the battery and the solar panels in parallel, not in series.

To get started, simply connect the two solar panels to the Mark 2 battery using the provided 1-to-2 Y cable.

solar charging air conditioner

Advanced Ways of Charging the Mark 2 Battery

1. Charging Two Mark 2 Batteries with Solar Power

With the addition of the power extension dock, you can easily charge two Mark 2 batteries without having to swap them out manually. The power extension dock will automatically charge one battery to full capacity before switching to the other, ensuring both batteries are efficiently recharged.

2. Using a 12V Battery or Power System for the Mark 2 Battery

Although the market lacks 12V portable air conditioners for vans or RVs, the ZERO BREEZE Mark 2 offers an alternative with the 12V to 24V converter. You can conveniently charge the Mark 2 battery by connecting the converter to your 12V power supply, whether it's a 12V battery bank or a 12V power bank. This versatility ensures you have reliable power sources for your air conditioner in various off-grid situations.

3. Using a 24V Battery or Power System for the Mark 2 Battery

For a 24V battery system, simply connect the Mark 2 battery to it, and the battery will start charging.

If you already have a power supply and are unsure how to use it to charge the ZERO BREEZE Mark 2 battery, please contact us for personalized guidance at

battery powered air conditioner

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