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Deal.ai › Zero Breeze
Zero Breeze
Zero Breeze Mark 3 Portable Air Conditioner

Zero Breeze Mark 3 Portable Air Conditioner

Best price now

$1,398.00at AmazonObserved at 10:11 AM

21% under what the other stores charge

Compared across 3 stores. Prices are checked against each store and labelled with when. As an Amazon Associate, Deal.ai earns from qualifying purchases.

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Our take on the Zero Breeze Mark 3 Portable Air Conditioner

The Zero Breeze Mark 3 is a battery-powered portable air conditioner that weighs about 12 lb and runs on 18650 lithium-ion cells, so it cools without a wall outlet. It doubles as a power bank with 45W USB-C PD and USB-A output, and it carries an IPX4 moisture rating. It ships with a window slider and a cable for the Mark 2 AC. At $1,398 at Amazon as of November 8, 2026, it sits at the top of its recent range, so there is no discount to chase right now.

Best forCampers and van lifers without shore powerSmall tents, cabins and RVsTailgaters and outdoor eventsBuyers who want one device for cooling and charging
Pros
  • Runs on its own battery, no outlet needed
  • Charges over USB-C Power Delivery at up to 45W
  • USB-C and USB-A ports charge phones and other gear
  • IPX4 splash resistance for damp outdoor use
  • About 12 lb, light enough for one person to carry
  • Ships with a window slider for venting
Cons
  • $1,398 is a lot for a small-space cooler
  • Battery runtime is short at high cooling settings
  • Only cools a small area, not a full room
  • 18650 cells mean a proprietary battery pack to replace
  • No charging station or stand included

Zero Breeze Mark 3 Portable Air Conditioner prices at every store

  • zerobreeze.comNew

    In stock

    $1,779.00Free shippingObserved at 10:11 AM
    Visit zerobreeze.com
  • Solar Guys ProNew

    In stock

    $1,899.00Free shippingObserved at 10:11 AM
    Visit Solar Guys Pro
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $1,398.00Free shippingObserved at 10:11 AM
    Visit Amazon

Zero Breeze Mark 3 Portable Air Conditioner price history

Lowest price we've seen: $1,398.00 on Nov 8 at Amazon. Tracked across 3 stores since Nov 8.

What reviewers say

Owners treat the Mark 3 as a niche outdoor cooler: they like that it cools a tent or van without hookups and that it doubles as a charger. Most complaints center on runtime and price rather than cooling performance.

What people mention
  • Battery lifeCriticisedOwners say runtime on high cooling is short and they need a spare pack or a power source for long trips.
  • PortabilityPraisedAt about 12 lb it is easy to move between a tent, a van and a patio.
  • ChargingPraisedThe 45W USB-C PD output is handy for topping up phones and laptops off-grid.
  • Cooling powerMixedIt cools a small tent or cabin bunk well but does little for a full room.
  • BuildPraisedThe IPX4 rating and sturdy housing hold up to outdoor use and light rain.

Specifications

Charging Technology
Power Delivery
USB Port
USB Type C, USB Type A
Compatible Brand
Zero Breeze
Compatible Device Type
Portable Air Conditioner, High-load devices, Mark 2 AC
Connector Type
DC jack, USB Type A, USB Type C
Universal Compatibility
Universal Fitment
Compatible Devices
18650

Questions and answers

Is the Zero Breeze Mark 3 worth $1,398?
Only if you need cooling without an outlet. Plug-in portable ACs cost far less and cool more space, but they need power. For tent, van and tailgate use, the battery and USB charging are what you pay for.
How long does the battery last?
Runtime depends on the cooling setting and ambient heat. Expect a few hours at high cooling and longer in eco or fan mode. Carry a spare 18650 pack or a USB-C PD source for full-day use.
How much space can it cool?
It is built for small enclosed spaces such as a tent, a van cab or a bunk, not a full room. Keep the space closed and vented through the included window slider for best results.
Can it charge a laptop?
Yes. The USB-C port delivers up to 45W Power Delivery, enough for most phones, tablets and thin laptops. The USB-A port outputs 5V for smaller devices.
What comes in the box?
The Mark 3 unit with its battery pack, one window slider and one cable for the Mark 2 AC. No charging station or stand is included.
Is it safe in rain?
It carries an IPX4 moisture rating, which covers splashes and light rain. Do not submerge it or leave it out in heavy storms.
Where is the Zero Breeze Mark 3 Portable Air Conditioner cheapest?
At Amazon, for $1,398.00, 21% under what the other stores charge, as of our latest check.
Where can I buy the Zero Breeze Mark 3 Portable Air Conditioner?
3 stores we checked sell it, including zerobreeze.com, Solar Guys Pro, Amazon.
Maximum Output
45W Max (USB Type C PD)
Output Voltage
5V (USB Type A)
Power Source Type
Battery Powered
Input Voltage
18V-36V (DC charge input)
With Battery Pack
Yes
Battery Type
18650 Lithium-Ion Polymer Battery
Cable Included
Yes (1 x Cable For Mark 2 AC)
Dimensions
8.6" (width)
Weight
12 lb
Design Highlights
Portable charger
Functionality Features
Moisture protection: IPX4
Included Accessories
1 X Window Slider
Charging Station
No
With USB Port
Yes
Waterproof
IPX4 (moisture protection)
With Stand
No
With Belt Clip
No