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Excellent 4.8 across all reviews

Zero Breeze

ZERO BREEZE 12V to 48V Converter for Mark 3 AC

SKU B48
$214.00
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ZERO BREEZE 12V to 48V Converter for Mark 3 AC
Excellent 4.8 across all reviews

Zero Breeze

ZERO BREEZE 12V to 48V Converter for Mark 3 AC

SKU B48

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We offer free shipping on all orders across the contiguous United States. Orders are typically processed within 1–3 business days, and standard delivery takes 5–10 business days. Freight and oversized items take 10–21 business days and may require a scheduled delivery.

What Is Your Return Policy?

We offer a 30-day return window on eligible items from the date of delivery. Products must be unused, in original condition, and returned in their original packaging. To start a return, contact us at support@adventuremotion.com or call (877) 834-4299. Return shipping costs may apply for non-defective items. Damaged or defective items are replaced at no cost to you.

Frequently Asked Questions

Do you offer financing?

Yes — we partner with Affirm so you can split your purchase into easy monthly payments with 0% APR options. Just select Affirm at checkout.

Are you an authorized dealer?

Yes. Adventure Motion is an authorized online dealer for all brands we carry. That means your manufacturer warranty is fully valid and protected.

Can you help me choose the right product?

Absolutely. Call us at (877) 834-4299 or email support@adventuremotion.com — our team specializes in outdoor gear and can match you to the right product.

What if my item arrives damaged?

Contact us within 48 hours of delivery at support@adventuremotion.com. We'll arrange a replacement at zero cost to you — no questions asked.

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The ZERO BREEZE 12V to 48V Converter is a step-up power block that lets a Mark 3 air conditioner run from a low-voltage battery bank rather than the 48V supply the unit normally expects. It accepts anything between 12V and 36V DC on the input side and raises that to a 48V DC output, with a rated output of 600W delivered through a 1.2 m lead that terminates in the D20 connector the Mark 3 uses. ZERO BREEZE is specific that the source feeding the converter has to be capable of supplying more than 600W, so a small accessory battery or a lightly rated power station will not carry it.

Because the converter pulls its 600W at whatever voltage your bank happens to sit at, the current on the input side climbs steeply as that voltage falls. ZERO BREEZE publishes minimum input currents of 42A at 12V, 21A at 24V and 14A at 36V, which means the wiring between battery and converter matters as much as the battery's capacity does. The converter takes its input through an XT90 plug, and the kit ships with one of two battery-side cables depending on how your power source terminates.

The B48 configuration comes with the XT90 to Anderson terminals cable: 1 m of 10 AWG rated to 30A, with an Anderson plug that drops into the output socket of a power station. ZERO BREEZE describes it for a 12V-36V source fitted with an Anderson connector and points to it for 24V banks. The B48+T10 configuration instead comes with the XT90 to eye terminals cable: 1 m of 8 AWG rated to 50A, finished in ring terminals that bolt directly onto a lithium battery's positive and negative posts. That heavier cable is the one to take if you are wiring to bare battery terminals, and especially if your bank is 12V, where ZERO BREEZE's stated input requirement is at least 42A. Both configurations are listed for the Mark 3 air conditioner only; ZERO BREEZE does not publish compatibility with the 24V Mark 2 line, so do not assume it carries over.

What's in the Box

  • 48V converter block x 1
  • B48: XT90 to Anderson terminals cable x 1 (10 AWG, 30A, 1 m)
  • B48+T10: XT90 to eye terminals cable x 1 (8 AWG, 50A, 1 m)

Electrical

  • Input voltage range: 12V-36V DC
  • Output voltage: 48V DC
  • Rated output power: 600W
  • Minimum source capability: More than 600W
  • Minimum input current: 42A at 12V, 21A at 24V, 14A at 36V

Connections

  • Output lead: 1.2 m, converter block to D20 connector
  • Input connector: XT90
  • B48 battery cable: XT90 to Anderson terminals, 10 AWG, 30A, 1 m
  • B48+T10 battery cable: XT90 to eye terminals, 8 AWG, 50A, 1 m

Compatibility

  • Works with: ZERO BREEZE Mark 3 air conditioner
  • Mark 2 compatibility: Not published by ZERO BREEZE

  • Steps a 12V, 24V or 36V DC source up to the 48V DC the Mark 3 air conditioner requires
  • Rated 600W output, with a 1.2 m lead that ends in the Mark 3's D20 power connector
  • XT90 input, so the battery-side cable can be matched to how your bank terminates
  • B48 includes the Anderson-terminal cable for power stations with an Anderson output socket (10 AWG, 30A)
  • B48+T10 includes the 8 AWG, 50A eye-terminal cable for bolting straight to battery posts, the option suited to 12V banks
  • Published input-current figures for each source voltage take the guesswork out of sizing your wiring

ZERO BREEZE covers this product for one year from the date of purchase against defects in materials and workmanship. Registering the warranty card included in the box adds a further six months of coverage.

Because this unit was not purchased on the manufacturer's own site, warranty service is handled by the dealer rather than by ZERO BREEZE directly. Contact Adventure Motion support with your order number and photos or a short video of the fault and we will process the claim for you.

Normal wear and consumable parts are not covered, and neither is damage from drops or impact, liquid entering the housing, disassembly or repair by anyone other than an approved technician, or running the product outside its rated voltage and operating limits.

What voltage power source does this converter need?
Anything between 12v and 36v dc. the converter raises that to a 48v dc output rated at 600w, which is the voltage the mark 3 air conditioner runs on.
Should i choose b48 or b48+t10?
B48 ships with the xt90 to anderson terminals cable (10 awg, 30a, 1 m), which plugs into the output socket of a power station. b48+t10 ships with the xt90 to eye terminals cable (8 awg, 50a, 1 m), which bolts onto a lithium battery's positive and negative posts. the eye-terminal version is the one to pick for a 12v bank, where zero breeze specifies at least 42a of input current.
How much power does my battery bank need to supply?
Zero breeze states the source must be able to supply more than 600w, and publishes minimum input currents of 42a at 12v, 21a at 24v and 14a at 36v.
Does this work with the mark 2 air conditioner?
Zero breeze lists this converter for the mark 3 only. the mark 2 generation runs on 24v dc rather than 48v dc, and no mark 2 compatibility is published for this converter, so it should not be used across generations.
Can i run the mark 3 straight off a 48v bank without this converter?
Yes. the converter exists to bridge a 12v-36v source up to 48v. a battery bank that already delivers 48v can be connected with the mark 3 diy cable instead, with no voltage conversion in between.

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