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Best Portable Power Stations for CPAP in the UK (2025 Guide)
If you use a CPAP machine, you know how important reliable power is. A power cut or camping trip without electricity can make things stressful. A portable power station (what is a portable power station?) can keep your CPAP running through the night. In this guide, we’ll look at 5 (five) of the best portable power stations for CPAP users currently available in the UK, compare key features, and help you choose the right one.
A CPAP machine needs steady electricity. In the UK, power cuts are rare, but they do happen. According to National Grid NESO, demand for backup solutions is rising as more homes look for energy security.
For people with sleep apnoea, even one night without CPAP can affect health and daily life. Portable power stations give peace of mind at home and freedom while travelling.
What to Look For in The Best Portable Power Stations For CPAP
When choosing the ‘Best Portable Power Stations for CPAP’, consider:
- Battery capacity – How many hours it can power your CPAP.
- Output ports – Does it support AC plug or DC output your CPAP uses?
- Noise – Must be quiet at night.
- Weight and size – Important for travel and hospital use.
- Safety features – Overload and short-circuit protection.
Best Portable Power Stations for CPAP in the UK
Below is a comparison of the ‘top’ portable power stations for CPAP.
Product Image
Recommended 
Recommended 
Recommended 
Recommended 
Recommended 
Model/Make
Jackery Explorer 500
EcoFlow River 2 Pro
BLUETTI AC50B
Jackery Explorer 1000V2
ALLPOWERS
Capacity/Wh
518
768
500
1002
1092
Weight lbs/kg
13.3/6kg
17.2/7.8
13.6/6.2
22/10
26/11.8
Features
Lightweight, quiet, good for single-night CPAP backup
Ultra-fast charging, UPS mode, long cycle life
Compact, solar-ready, good safety features
High capacity, good for multi-night CPAP use
Multiple ports, solar-ready, good value alternative
More Information
Recommended
Product Image
Model/Make
Jackery Explorer 500
Capacity/Wh
518
Weight lbs/kg
13.3/6kg
Features
Lightweight, quiet, good for single-night CPAP backup
More Information
Recommended
Product Image
Model/Make
EcoFlow River 2 Pro
Capacity/Wh
768
Weight lbs/kg
17.2/7.8
Features
Ultra-fast charging, UPS mode, long cycle life
More Information
Recommended
Product Image
Model/Make
BLUETTI AC50B
Capacity/Wh
500
Weight lbs/kg
13.6/6.2
Features
Compact, solar-ready, good safety features
More Information
Recommended
Product Image
Model/Make
Jackery Explorer 1000V2
Capacity/Wh
1002
Weight lbs/kg
22/10
Features
High capacity, good for multi-night CPAP use
More Information
Recommended
Product Image
Model/Make
ALLPOWERS
Capacity/Wh
1092
Weight lbs/kg
26/11.8
Features
Multiple ports, solar-ready, good value alternative
More Information
Last update on 2025-10-04
Jackery Explorer 500
The Jackery Explorer 500 is a mid-size portable power station offering 518 Wh of capacity and a 500W pure sine wave inverter, making it suitable for CPAP machines, lights, laptops, and small appliances.
It features AC outlets, USB-C/USB-A ports, and a 12V DC output, plus options for solar charging.
At roughly 13lbs (6kg), it strikes a balance between portability and backup capacity. Many UK users regard it as a “sweet spot” for overnight CPAP backup or weekend trips.
Key Features
High-capacity 518Wh Battery
The Explorer 500 stores 518 watt-hours of energy, which is sufficient to run a CPAP machine (without heated humidifier) over a typical night. It gives a good balance between runtime and portability.
Pure Sine Wave Inverter
Its AC output is a clean ‘pure sine wave’, making it safe for sensitive electronics and medical devices like CPAP machines.
Multiple Output Ports
It provides one AC outlet, DC ports, USB-A ports, and a 12V car-style port, so you can charge or power several devices at once.
Pass-through Charging
You can run devices while the unit itself is being charged, which helps in scenarios where you have limited time to charge and need to continue powering your CPAP.
Additional Information
Size & Weight
The Explorer 500 weighs about 13lbs (6 kg) and measures around 12 x 7.5 x 9.5 in (30.1 × 19.3 × 24.2 cm) . It’s reasonably compact and manageable for moving between home and travel.
Build Quality & Safety
It includes a Battery Management System (BMS) that monitors over-voltage, short circuit, and temperature, helping protect both the battery and your devices
Charging Methods
You can recharge it via wall (AC), car (12V input), or solar panels (optional). Full recharge from AC typically takes about 7.5 hours, and solar charging (100W panel) takes about 9.5 hours under ideal conditions.
Warranty Details
Jackery’s UK warranty policy offers 2 years standard warranty for the Explorer 500 and related series. Some listings and revisions note that Jackery now advertises “5-Year Worry-Free Warranty” for updated versions (3 years standard + 2 years extension). It’s important to check your purchase receipt and retailer terms for the exact coverage.
User Insights
Users consistently praise its quiet operation, reliability, and simplicity. Many note that when using it for CPAP with the humidifier turned off, it easily lasts overnight. Some users measure its runtime with varying CPAP pressures and find 8–11 hours safe estimates. A few mention wanting slightly more capacity for multi-night use but say the portability is a strong advantage.
Conclusion
The Jackery Explorer 500 is a solid mid-range power station. It combines strong features, like clean AC output, multiple ports, and pass-through charging, with manageable size and weight.
For CPAP users, it is well suited for overnight backup when the heated humidifier is off. Its safety features and reliable build make it a dependable travel or home option. Just bear in mind its limits when you need multi-night or humidifier-enabled runtime.
Pro’s
Con’s
Price
- Pure sine wave output, safe for medical devices.
- Good mix of AC and DC ports.
- Lightweight enough for travel.
- Solar charging compatibility.
- Extended 2-Year Warranty.
- Limited for humidifier + CPAP usage for over night.
- Moderate recharge speed (not ultra fast).
EcoFlow RIVER 2 Pro
The EcoFlow River 2 Pro offers approximately 768 Wh capacity using LiFePO₄ battery technology, noted for long cycle life.
It has AC output (800W), DC/USB ports, and supports extremely fast recharging via AC (to 80% in under an hour) and solar input.
It includes an app for monitoring usage and supports UPS (uninterruptible power supply) mode, which helps avoid CPAP interruption during switchover. It weighs about 17.5lbs (7–8 kg).
Key Features
High Capacity & Output
The RIVER 2 Pro offers 768 Wh of usable energy and a continuous AC output of 800W, with surge capability via its “X-Boost” mode up to ~1600W. That means it can handle “starter surges” of many appliances and still have headroom.
Fast Recharge Times
This model can charge from 0–100% in about 70 minutes via AC power. It also supports multiple charging methods (solar input up to 220W, car, USB-C) so you have flexibility in how you top it up.
Long Battery Life & Safety
It uses LiFePO₄ (“LFP”) battery chemistry, which delivers over 3,000 cycles at more than 80% retention. It also holds a TÜV Rheinland safety certification, and includes a Battery Management System (BMS) that monitors voltage, temperature, etc.
Additional Information
Size, Weight & Portability
The RIVER 2 Pro weighs around 17lbs (7.8 kg) and measures approximately 11 x 10 x 9in (27 × 26 × 22 cm), making it very compact for its capacity. It is more portable than many higher-Wh units, though still large for ultralight travel.
Output and Ports Variety
It includes multiple types of output ports: 230V AC (pure sine wave), high-power USB-C, DC output ports, car-port input/output, and solar input. This variety allows powering CPAP along with smaller electronics, cameras, phones, lighting etc.
Operating Temperature & Environmental Range
It works between -10°C to 45°C for discharge, and charging is safe between 0°C to 45°C. For best performance and battery life, room temperature (20-30°C) operations are ideal. Storage outside these optimal temps reduces performance.
Warranty Details
EcoFlow provides a 5-year limited warranty for the RIVER 2 Pro in the UK under their warranty policy. Buyers should register via the UK support site to ensure full coverage. Accessories like chargers or adapters may have different (shorter) warranty terms.
User Insights
Many users highlight how fast the unit recharges, making frequent outages easier to manage. Those owners using CPAP report stable performance, even with the humidifier turned off, for a full night. The app gets positive reviews for tracking watt usage. Some of our users say the unit heating under heavy loads is minimal and acceptable.
Conclusion
The EcoFlow RIVER 2 Pro is a strong mid-to-high tier portable power station that balances capacity, features, and safety. It is especially useful if you need reliable overnight CPAP power, fast recharging, and peace of mind with battery longevity.
It is less ideal if you need ultra-light travel or extreme portability, but for home, RV, or semi-regular outdoor backup use, it performs very well. If you frequently use a heated humidifier or want to run for multiple nights, its 768Wh should suffice for many users.
Pro’s
Con’s
Price
- Rapid recharge from mains.
- Long battery life (LiFePO₄ chemistry).
- UPS / seamless switchover capability.
- Balanced weight vs capacity
- Extended 5-Year Warranty.
- Heavier than very compact options.
- Solar speed limited unless large panel.
- Slight overkill for basic single-night use.
- Expensive.
BLUETTI Portable Power Station AC50B
The BLUETTI AC50B is a compact, modular, and travel-friendly power station with around 500 Wh capacity (448 Wh in certain spec sheets) using LiFePO₄ chemistry.
It features 700W AC output (1050W surge) and typical ports like USB-C PD, USB-A, and DC barrel output.
Because it’s small and has inverter protection, it’s a good backup for CPAP use, especially on short trips or in moderate outages.
The design is light 13lbs (6 kg) and built for rugged, repeated use.
Key Features
LiFePO₄ Battery Chemistry
The AC50B uses LiFePO₄ (lithium iron phosphate) cells, which are safer and support over 2,000 to 3,000 charge-discharge cycles. That gives you longer life before capacity drops.
Compact but Capable Output
It offers a pure sine wave AC output (around 700 W nominal, with surge capacity), plus DC, USB-C, and USB-A ports, giving flexibility in powering CPAP machines, tablets, lights, and more.
UPS / Seamless Switching
The unit supports an uninterruptible power supply (UPS) mode, which helps avoid gaps when switching from mains to battery power, ideal for CPAP use where interruption is undesirable.
Additional Information
Size, Weight & Design
The BLUETTI AC50B is fairly compact and weighs approximately 13.6lbs (6.2 kg). Its dimensions are modest, making it travel-friendly compared to larger home backup units.
Safety & Protection
It includes a Battery Management System (BMS) that protects against overcharge, over discharge, over temperature, and short circuits, ideal for sensitive medical gear.
Input / Charging Options
You can recharge via AC wall charger, solar panels, or car DC input. The flexibility supports both indoor and off-grid charging strategies.
Warranty Details
BLUETTI provides a 2 year warranty for its portable power station the AC50B, when sold via reputable UK retailers, sometimes this is extendable by registering with BLUETTI UK support. Be sure to check your invoice and warranty terms.
User Insights
Users often say it’s perfect for travel setups: compact, quiet, and dependable. Many confirm successful overnight CPAP use with humidifier off. Some purchasers use multiple AC50B units in tandem for larger setups. Others caution that performance drops faster in cold weather, so keep it at moderate ambient temperatures.
Conclusion
The BLUETTI AC50B is a smart option when you want a balance of portability, capacity, and functionality. It’s not the largest unit, but its LiFePO₄ battery, UPS support, and multiple outputs make it ideal for overnight CPAP use or modest energy needs on the go.
It may not power large appliances for long, but for CPAP, lighting, and small electronics, it’s a dependable companion.
Pro’s
Con’s
Price
- Light and Portable.
- Good Mix of AC and DC Ports.
- LiFePO₄ Battery Offers Long Cycle Life.
- Good Surge Headroom (700W AC, 1050W surge).
- Extended 5-Year Warranty.
- Limited Runtime With CPAP + Humidifier.
- Fewer AC outlets.
- Solar Input Might be Limited Compared to Larger Units
Jackery Explorer 1000 v2
The Jackery Explorer 1000 v2 is a higher-capacity portable station offering 1002 Wh, ideal for CPAP users who want multi-night coverage or to run other essential loads (lights, small appliances) during outages.
It offers multiple AC outlets, DC ports, USB-C, and supports pass-through charging (powering load while charging). Though heavier 22lbs (10 kg), it remains transportable for many users and has strong brand support and UK distribution.
Key Features
Large 1,002 Wh Capacity
With over 1 kWh of stored energy, the Explorer 1000 v2 can power CPAP machines (even with humidifiers) plus small appliances or multiple devices for extended durations.
Pure Sine Wave and High Output
It delivers clean pure sine wave AC output (up to 1,000 W continuous), which is critical for sensitive electronics and medical devices. The inverter handles surges too.
Pass-Through / Simultaneous Use & Charge
You can use devices while charging the station (pass-through). That is useful in setups where CPAP and other loads must run while you recharge during the day.
Additional Information
Size, Weight & Build
This unit weighs around 22 lbs (10kg), making it relatively heavy, but still portable for home, RV or bedside use. Dimensions are roughly in the 12-14in (30-35cm) range on each side.
Port Variety & Flexibility
It offers multiple AC outlets, DC ports, USB-A / USB-C, and a car (12V) output. This gives flexibility: you can power your CPAP, phone, lights, etc., simultaneously.
Battery Longevity & Safety
Jackery units come with a Battery Management System (BMS) to protect against overvoltage, overheating, short circuits, and more. Battery durability is good for several hundred cycles before noticeable capacity decline.
Warranty Details
Jackery typically offers a 2-year standard warranty for its Explorer series in the UK. On newer v2 models, there’s sometimes a mention of a “5-Year Worry-Free” or extended warranty for registered owners (3 + 2). Always register with Jackery UK and retain proof of purchase to leverage any extended coverage.
User Insights
Users who upgraded from 500 Wh units often say the 1000 v2 gives peace of mind across two nights. Many report that using it for full CPAP + light loads works reliably. Some note they rarely fully drain it, and appreciate that they can recharge during daytime and still maintain power overnight. A few mention that they wish the weight were a bit lower for portability, but accept the trade-off for capacity.
Conclusion
The Jackery Explorer 1000 v2 is a powerful, versatile option for users who need more than just overnight power. It’s well-suited for multi-night CPAP use and supporting additional electronics during outages. Its higher capacity comes with added weight, but for home and semi-mobile setups, it offers an ideal mix of output, safety, and practicality.
Pro’s
Con’s
Price
- Enough Capacity For Longer CPAP Outages.
- Pass-Through Charging Feature.
- Multiple Output Options.
- Multiple output options.
- Extended 2-Year Warranty.
- Heavier, Less Travel-Friendly.
- Slower Recharge Compared to Smaller Units.
- Higher Upfront Cost.
Allpowers S1500
The ALLPOWERS S1500 is a robust, heavy-duty portable power station with around 1092 Wh (or higher in some configurations).
It supports AC, DC, and USB outputs, including USB-C PD, and is built for a mix of home backup and off-grid needs. Its surge capacity is substantial, helping it handle devices with brief start up loads.
While heavier (in double-digit lbs/kg range), it’s suited to situations where longevity matters more than portability.
Key Features
Very High Capacity (~1,092 Wh)
The S1500 offers over 1,000 watt-hours of battery storage, placing it toward the upper end of portable power stations. That makes it capable of powering CPAP machines (even with humidifiers) for multiple nights, as well as running additional essential devices during outages.
Strong Surge / Inverter Performance
It is designed to handle higher start up surges, which helps when powering devices with motors or heating elements. The AC output is pure sine wave, ensuring compatibility with sensitive electronics and medical gear.
Multiple Ports & Versatility
The S1500 includes AC outlets, DC output ports, USB-C/USB-A ports, and supports solar input. This flexibility lets you run your CPAP while charging phones, lighting, or other small loads.
Additional Information
Size & Weight
Because of its large battery, the S1500 is heavy, often in double-digit lbs/kilograms 24-28lbs (11–13 kg or more). It is less ideal for frequent travel but well suited for semi-mobile or home backup usage.
Charging Options
You can recharge via wall AC, via car (12V input), or via solar panels (depending on rating). Solar is slower but adds autonomy in long outages or off-grid settings.
Safety & Management
It features a comprehensive Battery Management System (BMS) for protection against overcharge, overcurrent, over-temperature, and short-circuit. Also, many users report thermal management is adequate even at high loads.
Warranty Details
ALLPOWERS typically offers a 5 year limited warranty on their power stations when purchased through authorised dealers. Some retailers might provide extended warranties or service packages. Always confirm the warranty duration and support terms with the seller and register your product if possible.
User Insights
Users often say the S1500 gives confidence during longer power cuts, and it’s ideal in setups with solar panels. Many in off-grid or emergency communities praise its ability to power multiple appliances. For CPAP use, owners report that with the humidifier off it can last well over one night, even with moderate loads. Some note that weight and bulk make it a candidate for fixed or semi-fixed installations rather than daily transport.
Conclusion
The ALLPOWERS S1500 is built for users who want headroom, durability, and the ability to support heavier loads than just CPAP machines. It excels in scenarios where multiple devices must run through blackouts or off-grid power needs. Its main drawback is weight, which means it’s better suited to more static setups than constant travel. For anyone needing serious backup power without going to full generator scale, it is a strong contender.
Pro’s
Con’s
Price
- High Capacity For Extended Runtime.
- Strong Surge Performance.
- Versatile port option.
- Good for multi-device setups and emergencies.
- Extended 5-Year Warranty.
- Heavy, Less Portable.
- Slower Recharge Times.
- Overkill For Basic CPAP Needs.
Conclusion
Choosing the best portable power stations for CPAP, or for household backup, depends heavily on balancing capacity, portability, and cost. The Jackery Explorer 500 is perfect for light, travel-worthy use; the EcoFlow River 2 Pro delivers strong mid-range performance with fast recharge; and the BLUETTI AC50B offers a compact, high-quality option for shorter outings.
For those who need multi-night assurance, the Jackery Explorer 1000 v2 gives significant headroom. And for full emergency resilience, the ALLPOWERS S1500 brings serious watt-hours to the table. Each of these models has its strengths and trade-offs, and most users tend to pick based on their frequency of outages, load demands, and how mobile they need their system to be.
Whatever you choose, always test your CPAP setup under real conditions before depending on it, use pure sine wave output, and maintain the battery. These units are not just gadgets, they’re lifelines when mains fail.
Medical & Safety Disclaimer
This post is intended for educational purposes only. It is not medical advice and should not replace guidance from a qualified healthcare professional. Always consult your doctor or medical equipment provider before selecting or using a portable power station with your CPAP device.
Verify compatibility, follow all safety and usage instructions, and perform hands-on tests before deploying a portable power station in a critical scenario.