BLUETTI X30 CPAP Battery Backup, 297Wh

The BLUETTI X30 CPAP battery backup is a 297Wh portable DC power supply designed for a CPAP machine and one USB-powered device. Its three DC outputs and supplied cable set aim to support several CPAP families, but confirm the exact machine and runtime needs before relying on it for overnight use.

At a glance

Three DC output options are specified for CPAP machines, alongside one USB-A output for a small USB-powered device.
The listing claims 5–7 nights for 90% of CPAP and BiPAP devices, with actual runtime dependent on use conditions.
The manufacturer recommends turning off the heater and humidifier to maximize runtime.
A manufacturer FAQ says the unit can power one CPAP and one USB device at the same time, not two CPAP machines.

Price

$278.98Save 22%

Reference price: ~~$359.00~~

Price checked: Nov 14, 2026

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Often bought together

BLUETTI CPAP Battery Backup X30 297Wh Power Supply with Comprehensive Set | for AirSense 10, AirSense 11, S9, AirMini, AirCur

$498.99

Pros and cons

Pros

Three DC output voltage and current options accommodate several listed CPAP cable types.
The supplied set is described as including five DC cables and two DC connectors for device connections.
USB-A output allows a phone or tablet to be powered while one CPAP is connected, according to the listing.

Cons

It is limited to one CPAP machine at a time, even though it has three DC output ports.
Runtime can be reduced by CPAP pressure, humidity settings, mask type, and use of the heater or humidifier.

Technical specifications

5 specifications

Identity
Brand	BLUETTI
Model	X30

Power and connections
Battery capacity	297Wh
USB output	USB-A port (5V/2.5A)

Dimensions and installation
Dimensions and weight listed	8.7 x 2.4 x 7.9 inches; 4.1 pounds

What to know before buying

Listing details to confirm

The listing claims compatibility with over 90% of CPAPs and 5–7 nights of runtime, while customer feedback reports mixed compatibility, including reports of Philips DreamStation incompatibility, and mixed duration estimates. Confirm the exact CPAP model and expected runtime. The listing gives 3.9 lbs in a feature claim but product details list 4.1 pounds. It also says the battery cannot be carried on a flight.

Who is it for?

A good fit for

CPAP users seeking DC backup for outages, camping, or portable use who can confirm their machine works with the supplied cables.
Buyers who need to power one CPAP and a USB device simultaneously.

Less suited to

Anyone who needs to power two CPAP machines at once.
Buyers who need a flight-portable CPAP battery, as the listing says this model cannot be carried on a flight.
Users who require a guaranteed runtime without adjusting humidifier or heater settings.

BLUETTI X30 CPAP Battery Backup, 297Wh · photo 2 — Additional product photo 2

Customer reviews on Amazon

4 / 5 · 338 ratings

5 stars63%63%
4 stars11%11%
3 stars6%6%
2 stars3%3%
1 star17%17%

Customer feedback highlights perceived reliability and portability, including use for small electronics and camping. Reports about charging duration, CPAP compatibility, capacity, and value are mixed. That variation matters for overnight use: the 297Wh capacity and three DC output options do not guarantee a particular runtime or compatibility with every machine, so buyers should confirm their model and account for settings that affect power use.

Positive themes

Customers describe the unit as reliable for small electronic needs and appreciate its compact size and portability, particularly for camping.

Negative themes

Some customers report that the battery does not work with Philips DreamStation models.

Mixed feedback

Customers report differing charge duration, with some saying it lasts six hours and others reporting about four and a half hours.
Feedback on capacity and value varies, with some finding the power insufficient or the cost high.

Frequently asked questions

How many CPAP machines can the X30 power at once?

The listing says it can power one CPAP and one USB-powered device simultaneously, but not two CPAP machines.

How long does the battery last with a CPAP?

The listing claims 5–7 nights for 90% of CPAP and BiPAP devices, but runtime varies with pressure, humidity, mask type, and heater or humidifier use. Customer feedback also describes mixed durations.

Can the X30 be taken on a flight?

No. The manufacturer FAQ says the X30 cannot be carried on a flight.

Which CPAP machines are compatible?

The listing names models including ResMed AirSense 10 and 11, S9, AirMini, AirCurve 10, Philips DreamStation, System One, Transcend mini, and HDM Z1. Compatibility feedback is mixed, so confirm the exact model and required cable.