The 3 Best Portable Laptop Chargers of 2023
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Photo: Connie Park
FYI
A portable laptop charger is the ideal companion if you want to charge your laptop while traveling or working remotely, in an emergency, or anytime a wall outlet is out of reach.
And it’s not just for laptops: With its built-in AC outlet, a laptop charger can power a variety of other devices, from vibrators and video projectors to breast pumps and baby monitors.
We’re confident the Mophie Powerstation Pro AC is the best portable charger with an AC outlet that you can buy. It keeps up with MacBook Pros and other powerful laptops, it has a compact size and shape, and its battery life is as good as any we’ve tested.
Our pick
Mophie Powerstation Pro AC
This portable charger has an AC outlet, two fast-charging USB-C ports, and a USB-A port, and it can charge even the most power-hungry laptops while they’re in use. But you need to provide your own wall charger.
The Mophie Powerstation Pro AC has the best AC output (174 watts) and as much capacity (27,000 mAh) of any model we’ve tested.
It’s also the only one we’ve tested with two USB-C ports—one has 63 W input and 62 W output capabilities, and the other only outputs at 24 W—and its two-year warranty is the longest of those we tested.
On the downside, it’s the heaviest option we tested at 2.2 pounds, it only has one USB-A port, it doesn’t come with a wall charger, and it’s on the pricier side ($200 at this writing). But its higher output and dual USB-C ports make it well worth the splurge.
Rated capacity: 27,000 mAh (97.2 Wh)
Max output: 174 W
Weight: 2.
2 pounds
Dimensions: 7.5 by 4.5 by 1.0 inches
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Budget pick
ChargeTech Premium 27K AC
This more affordable charger has a fast-charging USB-C port, a standard USB-A port, and an AC outlet that cranked out an impressive 157 W of power in our testing. Plus, it comes with a wall charger.
The ChargeTech Premium 27K AC performed well in our testing, with a maximum output of 157 watts and a rated capacity of 27,000 mAh.
It’s also the only model we tested with a USB-C port that’s powerful enough to fast-charge the 13″ MacBook Air (we measured 65 W input and 67 W output). Unlike our top pick, it can be recharged over DC as well as USB-C, it’s fairly light (1.5 pounds), and it’s the least expensive of those we tested ($185 at this writing).
However, it has just one USB-C port and one USB-A port, its one-year warranty is on the shorter side, and it feels a little chintzy overall.
Also, the DC charger it comes with is bulky and won’t fit in the included carrying pouch. But overall, it’s a great option if you’re on a tight budget.
Rated capacity: 27,000 mAh (97.2 Wh)
Max output: 157 W
Weight: 1.5 pounds
Dimensions: 7.3 by 5.0 by 1.0 inches
Also great
Omnicharge Omni 20+
This compact, lightweight charger supports wireless charging and has an easy-to-read screen. It’s not as powerful as our other picks and doesn’t come with a wall charger, but it recharges via most USB-C or DC chargers.
If you have a phone or other device that can charge wirelessly, the Omnicharge Omni 20+ is the only one of our picks with wireless charging capabilities. It’s also one of the few models we’ve seen with dual input options (you can recharge it over DC or USB-C), as well as a screen showing input/output wattage, charge level, and operating temperature.
The Omnicharge is the lightest (1.4 pounds) and most compact of our picks, and it looks sleeker than most models, with rounded corners that make it comfortable to handle.
If you want those extra features and maximum portability, this is your best option, but this charger also has the lowest output (98 watts) and capacity of any of our picks, and it’s the most expensive at this writing. And although it comes with USB-A and USB-C cables, the package has neither a case nor a wall charger. Like the ChargeTech, this model is backed by a one-year warranty.
Rated capacity: 20,400 mAh (73.4 Wh)
Max output: 98 W
Weight: 1.4 pounds
Dimensions: 5.0 by 4.8 by 1.1 inches
Everything we recommend
Our pick
Mophie Powerstation Pro AC
This portable charger has an AC outlet, two fast-charging USB-C ports, and a USB-A port, and it can charge even the most power-hungry laptops while they’re in use.
But you need to provide your own wall charger.
Budget pick
ChargeTech Premium 27K AC
This more affordable charger has a fast-charging USB-C port, a standard USB-A port, and an AC outlet that cranked out an impressive 157 W of power in our testing. Plus, it comes with a wall charger.
Also great
Omnicharge Omni 20+
This compact, lightweight charger supports wireless charging and has an easy-to-read screen. It’s not as powerful as our other picks and doesn’t come with a wall charger, but it recharges via most USB-C or DC chargers.
The research
- Why you should trust us
- Who this is for
- How we picked and tested
- Our pick: Mophie Powerstation Pro AC
- Budget pick: ChargeTech Premium 27K AC
- Also great: Omnicharge Omni 20+
- Other good portable laptop chargers
- What to look forward to
- The competition
Why you should trust us
I’ve been a science journalist for more than seven years, covering a wide variety of topics from particle physics to satellite remote sensing.
Since joining Wirecutter in 2017, I’ve reported on solar battery chargers, USB-C cables and adapters, rechargeable AA and AAA batteries, and more. I spent 29 hours researching and 82 hours testing portable laptop chargers for this guide alone.
For a previous version of this guide, I consulted with Lee Johnson, an electrical engineer with more than 15 years of experience designing and testing electronics.
Who this is for
Portable laptop chargers aren’t just for laptops. Since they’re power banks with AC outlets, they can provide power to virtually any device that draws up to about 100 watts—such as a room fan, floor lamp, air mattress pump, or ice cream maker.
But since most people who buy these chargers are mainly looking to charge their laptops while working remotely, we wrote this guide with them in mind. (If you need only USB-C and USB-A ports, our favorite USB power banks are powerful enough to charge a 16-inch MacBook Pro, an HP Spectre x360, or other laptops that charge via USB-C.
)
Even someone who is rarely away from their desk might want a portable laptop charger in case of a blackout or other emergency. A portable laptop charger will provide more power in that scenario than a USB power bank.
If you want to charge lots of different devices, or a single power-hungry device, for more than a few hours—or if you have critical electronics that require a pure sine wave inverter, such as a CPAP machine—you should get a portable power station. Generally speaking, these have more capacity, power, and ports than most portable laptop chargers, and they’re more ruggedly built (but they also tend to be bulkier, heavier, and more expensive).
How we picked and tested
Photo: Sarah Witman
After scanning the websites of major retailers and consumer-electronics brands, we narrowed our search based on the following requirements:
- 65-watt or greater output: Most laptops (larger business and gaming laptops aside) need about 60 W to charge at full speed, so we set our minimum limit at 65 W just to be safe.
- 60 to 300 watt-hour capacity: TSA regulations generally only permit you to carry spare batteries up to 100 Wh on a plane—or, with airline permission, either one battery up to 300 Wh or two batteries up to 160 Wh each. Since some people like to work or watch movies on their laptop on long flights, we capped our capacity limit at 300 Wh to account for this restriction. We set our minimum at 60 Wh because that’s equivalent to running a 60 W device (such as a 13-inch MacBook Pro) for one hour.
- Light and compact design: We gave preference to smaller, lighter models since they’re easier to bring to a coffee shop or on a plane.
- At least one fast-charging port: USB-C Power Delivery (PD) ports are starting to replace older USB-C and USB-A ports, in part because they can transmit up to 100 W (compared with just 15 W over standard USB-C and 12 W over USB-A). This means, with the right cable, they can charge a laptop or other compatible device about as fast as an AC outlet would.
- At least one USB-A port: Even though USB-C is becoming more common, most people still have standard USB-A charging cables, so we insisted that our picks have at least one USB-A port.
- Reliable support: If you’re spending hundreds of dollars on something and depending on it in tight situations, you want to know that the manufacturer is reputable and reachable in case something goes wrong.
- A cost of no more than $300: Based on the range of prices we saw, this is what we think someone would reasonably want to spend on a work-related purchase.
We toted each portable charger around in backpacks and laptop bags to see if it would be convenient to carry every day. Photo: Sarah Kobos
To test each charger, we gauged performance in a few key areas, including the following:
- Maximum power output: To test the maximum power output of each model, we connected each one to a Kill A Watt power meter and an array of light-bulb sockets. We screwed in 20 W halogen bulbs one by one until the charger overloaded and shut down. Then we recorded the maximum wattage reading on the power meter.
- How many times each charger could recharge a laptop: We started with a fully depleted 2015 13-inch MacBook Air and a fully charged portable laptop charger. Once the charger had juiced the laptop enough for it to power on, we maxed out the screen brightness and played a loop of high-resolution railway footage on YouTube. We let it run until the portable charger died or the laptop reached a full charge. If the laptop reached 100% before the portable charger died, we fully drained the laptop again and repeated the test with the partially charged portable charger to find the combined total number of recharges.
- Ability to charge a 15-inch MacBook: To make sure all of the chargers could power a large, high-powered laptop, we connected them to a 15-inch MacBook Pro that normally uses an 87 W power adapter and checked the Mac System Report to make sure it wasn’t struggling to get enough power.
- Look and feel: We picked the chargers up, stuffed them into a crammed backpack, and carried them around to see how they would fit into our lives. We also assessed extra features, such as a screen or battery-status lights.
We screwed in 20 W halogen bulbs one by one until the charger overloaded and shut down. Then we recorded the maximum wattage reading on the power meter.
Our pick: Mophie Powerstation Pro AC
Budget pick: ChargeTech Premium 27K AC
Photo: Connie Park
Budget pick
ChargeTech Premium 27K AC
This more affordable charger has a fast-charging USB-C port, a standard USB-A port, and an AC outlet that cranked out an impressive 157 W of power in our testing. Plus, it comes with a wall charger.
If you want to save a few bucks without losing many of the features or capabilities of our top pick, get the ChargeTech Premium 27K AC.
It has plenty of power. Like our top pick, this model can charge even large, professional-grade laptops without breaking a sweat. In our testing, we measured a peak-power output of 157 W (not far behind that of our top pick) from its AC outlet.
It’s also the only model we tested with a USB-C PD port that’s powerful enough to fast-charge the latest MacBook Air and MacBook Pro models: We measured a maximum output of 67 W.
Like our top pick, the ChargeTech has a single USB-A port, which is handy for charging a phone, wireless headphones, or other small device—albeit more slowly than a USB-C port.
It has great battery life. Just like our top pick, the ChargeTech has a rated capacity of 27,000 mAh, and it performed just as well as that model in our capacity tests.
It has multiple recharging options. Unlike our top pick, the ChargeTech can be recharged over DC as well as USB-C. While we didn’t test its DC input capabilities, we measured up to 65 W flowing into the USB-C PD port (meaning it can recharge itself a bit faster than our top pick).
It’s small and lightweight. Weighing just 1.5 pounds (about as heavy as a bottle of beer) and about the same size and shape as our top pick, the ChargeTech is highly portable.
Its warranty is on the shorter side. ChargeTech backs this model with a one-year warranty, which is shorter than that of our top pick, but it should still give you plenty of time to use your unit and ensure it’s not a dud.
It comes with a charger, but it’s bulky. Unlike our other picks, the ChargeTech helpfully comes with its own charger. However, the proprietary DC charger has a fat plug that takes up a lot of space in a bag (and, annoyingly, the power bank and its charger don’t fit in the included soft pouch).
It’s inexpensive (and it shows). As one of the least expensive portable chargers we’ve tested ($185 at this writing), the ChargeTech feels a little chintzy overall. So if build quality is important to you, go with one of our other picks.
Also great: Omnicharge Omni 20+
Photo: Connie Park
Also great
Omnicharge Omni 20+
This compact, lightweight charger supports wireless charging and has an easy-to-read screen. It’s not as powerful as our other picks and doesn’t come with a wall charger, but it recharges via most USB-C or DC chargers.
The Omnicharge Omni 20+ is one of very few available options with wireless charging, as well as a screen showing helpful information like input/output power and operating temperature. It is pricey and has less capacity and output power than our other picks, but it’s your best bet if you want these features.
It can charge your phone wirelessly. This unit also has a Qi wireless-charging feature (though it’s not certified by the Wireless Power Consortium, which we’d prefer for confirmation of safety and optimal performance) that you can use to charge some phones and other devices.
It’s exceptionally compact and lightweight. The Omnicharge is about the size of a bagel or kaiser roll. It has a square shape with gently rounded corners that make it easier to hold or to stuff into a bag. And at 1.4 pounds, it’s the lightest of our picks.
It has well-spaced ports. The ports on this unit are widely spaced, leaving ample room for multiple plugs.
It has an AC outlet on one side, and USB-C PD and DC input/output ports on another. On a third side, you’ll find two USB-A output ports, an OLED display screen, and control buttons to toggle various ports on and off.
It has an upscale, professional look. Its outer shell is made of a soft-textured plastic that’s grippy and comfortable to hold, and it seems relatively scratch and scuff resistant. After you handle it for a while, its surface is likely to gain some fingerprints, however.
Its screen is bright and informative, if sometimes cluttered.
When you’re recharging the unit, it displays a large battery icon to show how much charge it has, which is clear and helpful.
But when you’re using it to charge another device, the screen offers so much data—wattage, voltage, temperature, percentage charged, and what ports are currently powered on—that the display can feel cluttered, making it harder to glean key info at a glance.
Capacity and output are on the low side, but sufficient for most needs. In our testing, the Omnicharge topped out at 98 W of power output—less than our other picks, but still plenty of power to charge most laptops while they’re in use.
It brought our MacBook Air from no charge to 80% charged, which again was less than our other picks managed, but not by much.
It comes with cables, but not a wall charger. The Omnicharge comes with both USB-A and USB-C cables, but you’ll have to supply your own wall charger. Since most laptops are powered by a USB-C or DC wall charger, you might already have one on hand that’s compatible with this unit.
If you don’t already have a suitable charger, Omnicharge sells a charger separately or in a bundle with the main unit, but we don’t recommend either one. The wall charger is difficult to put together, and you can typically get one of our favorite wall chargers for less.
Its ports aren’t protected. We wish this unit came with a rubber flap over its ports to protect its internal components against dust and minor spills, as several other models we’ve tested do.
Product support is solid. Its one-year warranty isn’t as long as that of our top pick, but we still think the coverage is long enough for you to fully test the charger and confirm that it doesn’t have a problem. Customer service is responsive, too.
It’s not cheap. At this writing, the Omnicharge is one of our more expensive picks. But as the brand’s name suggests, this model also offers the most charging options.
Other good portable laptop chargers
If you don’t mind buying a discontinued product: Get the Anker PowerHouse 100 or Mophie Powerstation AC.
Both are former top picks, but since they’re discontinued they may be difficult to find. They’re still being sold by some retailers, though, and either would be a great substitute if our current top pick becomes unavailable—or if you see a good deal.
The Anker PowerHouse 100 performed well in our testing, providing a maximum output of 141 W and a 27,000 mAh rated capacity—lasting long enough to bring a dead MacBook Air battery up to 90% charged, even during heavy use with the screen brightness turned up.
It has a variety of output ports, including a USB-C PD port, two USB-A ports, and an AC outlet. And unlike most portable chargers, it comes with a 45 W wall charger and a USB-C cable that you can use to recharge it at top speed, as well as a USB-A cable and a protective cloth carrying case.
It’s small, ruggedly built, and easily packable, weighing just 1.9 pounds. It’s intuitively designed, too—though we could do without the built-in flashlight and wrist strap.
Similarly, the Mophie Powerstation AC has a peak-power output of 123 W, a 22,000 mAh capacity rating, and a good selection of ports: a USB-C PD port, a USB-A port, and an AC outlet.
It doesn’t come with a charger, but it’s small and compact, weighing just 1.7 pounds. Plus, it’s covered in a soft twill fabric that we love.
What to look forward to
Goal Zero has introduced a new version of the Sherpa 100AC Power Bank, which improves on the original with an angled color LCD and faster wired and wireless charging. We plan to test it soon.
The competition
This is not a comprehensive list of all portable laptop chargers we’ve tested and dismissed. We have removed models that are discontinued or do not meet our current criteria.
The Goal Zero Sherpa 100AC Power Bank (original version) had a 160 W output in our testing, and it charged our MacBook Air up to 95% on a single charge.
It’s fairly compact, enjoyable to use, and equipped with an informative OLED screen, too. But at $300, it was also the spendiest model we tested, and it didn’t offer any extra features that justify this price jump. However, as of this writing, open box models are on final sale with a significant price cut that may make this charger a better option for the right buyer.
This article was edited by Ben Keough and Erica Ogg.
Meet your guide
Sarah Witman
Sarah Witman has researched, tested, and reviewed all manner of products—from massage chairs and mousetraps to pencils and power banks—since joining Wirecutter in 2017. Before that, she worked as a science writer and fact checker for numerous publications, and she studied journalism at the University of Wisconsin. In her spare time, she eats as much cheese as her body will tolerate.
Further reading
-
The Best USB-C Laptop and Tablet Chargers
by Nick Guy
The best replacement for your original charger is the Nekteck 60W USB-C GaN Charger.
It’s cheaper and smaller but just as powerful and reliable. -
The Best USB Car Charger
by Nick Guy
We’ve tested the best car chargers, and we have recommendations for affordable, reliable options that can fast-charge any device while you’re on the road.
It’s cheaper and smaller but just as powerful and reliable.Wirecutter is the product recommendation service from The New York Times. Our journalists combine independent research with (occasionally) over-the-top testing so you can make quick and confident buying decisions. Whether it’s finding great products or discovering helpful advice, we’ll help you get it right (the first time).
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FAQ About Anker Power Banks
When it comes to purchasing a power bank, there are a few important factors to consider. Let’s dive into them:
- Capacity:Think of capacity as the energy reservoir of your power bank. The higher the mAh (milliampere-hour), the more power it can store. So, choose a power bank with a capacity that suits your charging needs and can juice up multiple devices.
- Size and Weight:If you’re always on the move, the size and weight of your power bank matter. Opt for a compact and lightweight option that fits easily in your bag or pocket, making it a breeze to carry around.
- Ports: Different devices have different charging ports, and your power bank should be compatible with them. Look for power banks with the right ports, such as Lightning or USB-C, to ensure seamless charging for all your devices. Having multiple ports is a bonus, allowing you to charge multiple gadgets simultaneously.
- Charging Speed: Speedy charging is a game-changer, especially when you’re dealing with larger devices like laptops or tablets. Prioritize power banks with fast charging capabilities to reduce waiting time and get back to using your devices quickly.
- Brand Reliability: When it comes to portable power banks, it’s essential to choose a trustworthy brand. Brands like Anker have a solid reputation for producing safe and high-quality products, ensuring your devices are charged efficiently and without any risks.
- Price: While it’s tempting to go for the cheapest option, remember that quality and safety are crucial. Avoid extremely cheap power banks that may compromise on these aspects. It’s better to invest a little more in a reliable power bank that will serve you well in the long run.
Look for power banks with the right ports, such as Lightning or USB-C, to ensure seamless charging for all your devices. Having multiple ports is a bonus, allowing you to charge multiple gadgets simultaneously.
Congratulations on your new power bank! To ensure you get the most out of it, here’s what you should do when you first buy one:
- Read the Instructions: Take a few minutes to read the user manual that comes with your power bank. Familiarize yourself with its features, usage instructions, and safety precautions. This will help you make the most of your new gadget while keeping yourself and your devices safe.
- Check Compatibility: Before connecting your devices, double-check that the power bank is compatible with them. Whether it’s wireless power banksor specific certifications like MFi for Apple devices, ensuring compatibility ensures a smooth charging experience.
- Charge it Fully: Plug in your power bank and let it charge fully before using it. This ensures that it’s ready to provide a reliable power source when you need it.
- Test It Out: Once your power bank is fully charged, connect it to one of your devices to ensure everything is working as expected. This simple test will give you peace of mind and confirm that your power bank is ready to power your devices on the go.
This simple test will give you peace of mind and confirm that your power bank is ready to power your devices on the go.The size of your power bank depends on your specific charging needs. For everyday electronics like smartphones, earbuds, or similar devices, a power bank with a capacity of around 10,000mAh might be perfect. However, if you plan to charge larger devices such as laptops or tablets, it’s best to go for a power bank with a capacity of 20,000mAh or higher.
Take, for example, Anker 737 Power Bank (PowerCore 24K), featuring a massive 24,000mAh battery capacity, 2× longer-lasting battery life, and blazing-fast 140W charging—power a 16-inch MacBook Pro up to 50% in just 40 minutes!
A good quality power bank can last between 600 to 1,000 charging cycles, which translates to approximately 1.5 to 3.5 years of usage. However, the actual lifespan may vary based on factors such as the quality of the power bank, your usage patterns, and how well you maintain it.
For instance, Anker 537 Power Bank (PowerCore 24K for Laptop), with its 24,000mAh capacity, offers an impressive 18-month worry-free warranty. It’s designed to provide faster charging for Apple, Android, Windows products, and more, giving you peace of mind for an extended period.
Absolutely! There are power banks specifically designed to charge laptops. Since laptops have high-capacity batteries, it’s recommended to choose a power bank with a capacity of at least 20,000mAh. One excellent option is Anker 747 Power Bank (PowerCore 26K for Laptop), boasting a massive capacity of 25,600mAh and rapid 87W charging. This power bank is capable of delivering speedy and secure power to all leading laptop brands, ensuring you never run out of juice when you need it the most.
Armed with these user-friendly tips and recommendations, you’re now equipped to find the power bank that perfectly suits your charging needs.
Luckily, Anker has you covered with our remarkable range of power banks.
With cutting-edge technologies and a variety of capacities to choose from, Anker offers the ideal solution for every charging requirement. Our power banks are designed to keep you connected and powered up wherever your adventures take you.
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What is the name of the portable battery for charging the phone
What should I do if the external battery does not charge my phone?
An external battery is a faithful assistant, designed to rescue our gadgets and give them the necessary charge.
Often it is on him that all hope is! Especially when traveling or at important meetings.
But sometimes the external battery refuses to perform its duties – it does not want to charge the smartphone! Or it charges for a few minutes – and then … Although at the same time it continues to regularly replenish its own energy.
Let’s look at the reasons for this behavior.
First, let’s find out, is it really an external battery? Let’s first check the external causes:
1. The most common option is a cable failure.
Yes, yes, it was him, not the power bank. The cable can fray in the most important places due to frequent kinks, often hidden from view. Sometimes the cables that come with gadgets can be initially faulty. Try replacing the cable – and eliminate this cause from the list.
2. The cable does not fit the powerbank – does not support the current parameters that are needed for normal operation.
Exit – again, take another cable.
3. Connector not suitable!
Often, unknowingly, iPhone owners encounter this when their gadget needs a cable with a Lightning connector.
4. There are problems with smartphone ports.
Perhaps the port of your favorite gadget is broken, melted, oxidized. Examine it carefully in good light. For example, if the contacts of the micro-usb connector are oxidized on a smartphone, then the electric current that you expect from the power bank will simply not flow through the connecting elements.
5. The smartphone is pre-installed with a ban on working with certain power banks (with their manufacturer). And this happens, alas. Again, the iPhone. What to do? Purchase a powerful external battery with a mandatory 220 V socket – you will connect a branded phone charger to it.
6. The external battery may be prevented from working by faulty smartphone software.
These may be “glitches” of the phone programs responsible for tracking the energy consumption of the gadget. And if such a program “goes crazy”, then the voltage supply to the smartphone’s battery contacts can be completely limited, no matter how hard the bank tries.
7. Virus programs encroached on the smartphone ; they pull the entire charging resource on themselves, constantly discharging the phone – and do not allow the power bank to charge it! One example is the Carib virus: it constantly activates Bluetooth, “pulls out” a barely renewing battery, starting energy-intensive processes that you cannot track without special equipment.
8. Games, programs that you actively use while trying to charge your phone from a power bank. Try turning off all running applications and wait a few minutes.
9. Several powerful gadgets are connected to the power bank at the same time and require charging. And the external battery may not have enough power for each device! Leave only one on charge and check the situation again.
But the reasons for refusing to give current to a smartphone can also be in the external battery itself.
What? Insufficient current – from an external battery to a smartphone. Some finicky phone models need a 2A charging connection. And if the current strength declared by the power bank is 1A (as most often happens) – alas, the gadgets do not understand each other.
The power bank has a very small power (super-budget option), and the smartphone – on the contrary , is distinguished by extra performance. This is especially evident when there is very little charge left in the bank. The external battery can flash, but it does not give current.
The power bank has been inoperative for too long (for example, it has been lying for a long time, or waiting for you from vacation).
Even if the external battery shows readiness for work, it will not want to charge the smartphone for a long time – complex chemical processes in it could slow down.
This is true of lithium-ion batteries even when they are just lying around. Try charging the external battery for at least 10-12 hours. It should “swing”: the electro-chemical processes will gradually work in the desired mode, and the povebank is back in service!
Power of the external battery does not match the declared one! One of the most topical reasons for the unwillingness of the bank to help the smartphone charge.
For example, the manufacturer proudly states in the description that his device has a capacity of 8000 mAh. But in fact, it can be less than 1000 mAh. In this case, the bank can charge the smartphone a little, and then stop the process.
Serious malfunction of the controller in the power bank: the fuse cuts off the power supply from the external battery to the smartphone seconds after the start of the charging process – or immediately. Such a failure can be detected by resorting to the help of experienced repair specialists.
Perhaps the reason is in the problems of the contact group – the contacts are moving away, partially melted. This seriously affects the stability of the current supply – or it stops altogether.
Have you read the article, discovered the external reasons for the reluctance of the power bank to charge the smartphone – and were you able to eliminate them? Great!
Do you understand that the problem is serious? So, it’s time to resort to the help of specialists who will thoroughly check the external battery.
And, of course, collect more information about the supplier at the initial stage of the purchase. Carefully read the instructions for the power bank.
And when buying a gadget, choose a seller who gives not only a mandatory warranty for the device, but also carefully checks every detail of the external battery before shipping!
Let your union with an external battery last long and productive!
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