The Mark 3 Air Conditioner Smart Battery is purpose-built to keep your Zero Breeze Mark 3 running longer, quieter, and without interruptions.

Whether you’re camping, sleeping in a van, working in heat, or parked up off-grid, this battery is designed to give you dependable cooling power exactly when you need it.

Compact. Stackable. Built to move.

Why the Mark 3 Air Conditioner Smart Battery makes sense

This battery isn’t a generic power box.
The Mark 3 Air Conditioner Smart Battery is designed specifically to lock into the Mark 3 AC, share real-time data, and deliver clean, stable DC power without adapters or guesswork.

You get a single, integrated cooling system that just works.

Mark 3 Air Conditioner Smart Battery capacity and performance

At the core of the Mark 3 Air Conditioner Smart Battery is a 1022Wh battery, delivering reliable power in a lightweight form.

That capacity is ideal for:

• Short cooling breaks

• Overnight sleep setups

• Extended off-grid use when paired with additional batteries

Because the system supports charging while discharging, you can keep cooling even while topping the battery up — no downtime, no warm air interruptions.

Charge the Mark 3 Air Conditioner Smart Battery your way

The Mark 3 Air Conditioner Smart Battery is designed to adapt to how you travel.

AC charging

When you’re near mains power, recharge from 0–80% in just 2 hours using the included AC adapter. Ideal for cabins, homes, or powered sites.

12V vehicle charging

Charge on the move using a 12V car cigarette lighter. Perfect for road trips and travel days.
(Cable sold separately.)

Solar charging (12V–60V)

Connect compatible solar panels directly.
The built-in 500W MPPT solar controller optimises charging and can recharge up to 80% in around 2 hours in strong sunlight.
(Solar cable sold separately.)

Mark 3 Air Conditioner Smart Battery for continuous cooling

Cooling doesn’t stop just because you need more power.

Pass-through charging

The Mark 3 Air Conditioner Smart Battery supports pass-through charging, so your air conditioner keeps running while the battery recharges.

Expandable battery system

Need longer runtime?
You can connect up to 10 batteries together, giving you the flexibility to scale your cooling setup for:

• Overnight sleep

• Multi-day trips

• Extreme heat work conditions

Built to work as one with the Mark 3 AC

The Mark 3 Air Conditioner Smart Battery physically locks under the Mark 3 AC using alignment latches for a clean, stable fit.

Once connected, the system shares:

• Battery level

• Estimated runtime

• Charging status

All visible through the remote or app.

It also supports direct DC charging via the proprietary connector, removing the need for extra accessories. One system. One connection. No clutter.

More than just an AC battery

While designed for cooling, the Mark 3 Air Conditioner Smart Battery also works as a standalone power source.

Built-in outputs include:

• USB-A

• USB-C

• 12V Anderson

That means you can power laptops, phones, lights, drones, and other essentials when you’re off-grid or on the move.

Choosing the right number of Mark 3 Air Conditioner Smart Batteries

How many batteries you need depends on how you plan to use your air conditioner.

One battery

Best for short cooling sessions or light sleep.
Approx. 2–3 hours of use.

Two batteries

Ideal for sleeping through the night.
Approx. 8–10 hours of cooling.

Three or more batteries

Recommended for maximum output or extended use in extreme heat.
Gives you flexibility and peace of mind for long days off-grid.

Mark 3 Air Conditioner Smart Battery specifications

Battery

• Capacity: 1022Wh

• Output Voltage: 48V DC

• Expandable: Up to 10 batteries

Charging

• AC Charging: 0–80% in 2 hours

• DC Input Voltage: 12V–60V

• Built-in MPPT Solar Controller: 500W

• Charging While Discharging: Supported

Ports

• USB-A

• USB-C

• 12V Anderson

• DC In/Out (Proprietary)

Physical

• Dimensions: 20" × 8" × 4" (51 × 21 × 11 cm)

• Weight: 14 lbs (6.4 kg)

Operating Conditions

• Temperature Range: 14°F to 104°F

• Protection: Overcharge, low temperature, short circuit, dual BMS

Is the Mark 3 Air Conditioner Smart Battery right for you?

The Mark 3 Air Conditioner Smart Battery is ideal if you:

• Own or plan to use a Zero Breeze Mark 3 AC

• Want quiet, portable cooling power

• Travel off-grid, camp, or sleep in vehicles

• Need a scalable system that grows with your trips

• Want a battery that works seamlessly without adapters or setup hassle