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Best Laptop Power Banks for 2021

last updated: Dec 17, 2020

If you’re planning on being away from home, a laptop power bank is a great accessory to keep on hand when far away from a power source. These little devices are small and compact, and they can charge multiple devices over and over again. We love them because they are incredibly versatile and work for a myriad of devices. Whether you need to charge up your laptop or your cellphone on your next outdoor adventure, or you just want to stash a pack in your car for emergency laptop juice, these devices are small, powerful, and surprisingly affordable.

In this guide, we have provided a list of some of the best laptop power banks so you can stay on top of things when far away from home.

In a Hurry? The test winner after 17 hrs of research

icon
Anker Powerhouse 100
98.5/100 our score
Battery Life
99
Connectivity
99
Protection
98
Portability
98
Anker Powerhouse 100
Why is it better?

100W AC outlet

USB-C port

Built-in flashlight

Can charge multiple devices at the same time

In a Hurry? Editors choice:
Anker Powerhouse 100
Test Winner: Anker Powerhouse 100
Amazon Link
Researched Sources
12
Researched Sources
Reviews Considered
2.1k
Reviews Considered
Hours Researching
17
Hours Researching
Products Evaluated
15
Products Evaluated
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This buying guide for laptop power banks has been put together to show you the best researched and reviewed products that are external batteries that can charge your laptop portable. A great laptop power bank to keep your eye on is the Maxoak. We love this laptop power bank because it is known for having six built-in security protections and its ability to charge several devices at once.

Sorting Options
Battery Life Connectivity Protection Portability By Default
Rank
PictureProduct
Name
Rating
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#1
The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
98.5
Battery Life
99 %
Connectivity
99 %
Protection
98 %
Portability
98 %
Price Comparison Last Updated (24.07.21)
Amazon Link
$179.99
#2
The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
94.5
Battery Life
95 %
Connectivity
94 %
Protection
95 %
Portability
94 %
Price Comparison Last Updated (24.07.21)
Amazon Link
#3
The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
92.5
Battery Life
92 %
Connectivity
93 %
Protection
93 %
Portability
92 %
Price Comparison Last Updated (24.07.21)
Amazon Link
$129.99
#4
The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
89.8
Battery Life
89 %
Connectivity
90 %
Protection
89 %
Portability
91 %
Price Comparison Last Updated (24.07.21)
Amazon Link
$199.00
#5
The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
86
Battery Life
86 %
Connectivity
87 %
Protection
85 %
Portability
86 %
Price Comparison Last Updated (24.07.21)
Amazon Link
#6
The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
85
Battery Life
84 %
Connectivity
85 %
Protection
85 %
Portability
86 %
Price Comparison Last Updated (24.07.21)
Amazon Link
#7
The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
84
Battery Life
84 %
Connectivity
84 %
Protection
85 %
Portability
83 %
Price Comparison Last Updated (24.07.21)
Amazon Link
$199.95
#8
The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
83
Battery Life
83 %
Connectivity
84 %
Protection
83 %
Portability
82 %
Price Comparison Last Updated (24.07.21)
Amazon Link
$69.99
#9
The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
82
Battery Life
82 %
Connectivity
81 %
Protection
83 %
Portability
82 %
Price Comparison Last Updated (24.07.21)
Amazon Link
$34.99
#10
The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
78.5
Battery Life
78 %
Connectivity
79 %
Protection
78 %
Portability
79 %
Price Comparison Last Updated (24.07.21)
Amazon Link
$97.22

Top 10 Picks

1. Anker Powerhouse 100

The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
98.5
Anker Powerhouse 100
Anker Powerhouse 100
Anker Powerhouse 100
Amazon Link
Battery Life
99
Connectivity
99
Protection
98
Portability
98
best offer for today
Amazon Link
$179.99
Pros:

100W AC outlet

USB-C port

Built-in flashlight

Can charge multiple devices at the same time

Cons:

Slightly expensive

Heavier than expected

Anker is one of the leading brands in the portable-power world. What we love most about this design from Anker is that it is super small and compact, and can charge your devices over and over again. It comes with a few different charge cables to accommodate various devices and boasts a few extra features to lend a hand when far from home.

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The very first thing that we noticed about this design is that it boasts a myriad of charging outlets. The face of this design offers a traditional power outlet that can not only charge your laptop but also provide power for a host of other devices as well. It also has a USB-C port, and two separate USB ports as well.

What we love most about this powerful design is that it is powerful enough to charge more than one device at the same time. If your laptop and cellphone are out of juice, you can plug them both into this compact charging station for a quick charge. Users love that it is small and compact, and even provides users with an extra light when you are in a pinch.

If you are in the market for something that is super powerful and comes from a trusted brand, this design from Anker is a great choice. It can power multiple devices at the same time and hosts multiple styles of ports to accommodate all of your gadgets. Plus, it has a 100W AC outlet that works for just about anything.

2. Mophie

The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
94.5
Mophie
mophie 4167_PWRSTION-AC-20K-BLK Powerstation AC - External Battery - Made for Laptops
Amazon Link
Battery Life
95
Connectivity
94
Protection
95
Portability
94
best offer for today
Amazon Link
Pros:

100 watts of power

2.4-amp USB port

Finished with a premium fabric wrap

Cons:

The fans can be noticeable when charging devices

Even though the battery capacity of the Powerstation is not the highest on this list, it still claims the number two spot for its overall design. But, the capacity is far from small.

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The Powerstation is a 22,000 mAh battery and when compared to the rest of the competition, sports a middle of the pack sized battery. This is designed with an AC outlet and also a USB-C input/output. In regard to a vast amount of ports, the Powerstation only sports a few.

All in all, this unit can deliver up to 100 watts of power to charge your devices. The USB-C port will charge devices with up to 30 watts of power and will also recharge the Powerstation quickly. In addition to the built-in safety features, this is also designed with a digital power management system. With this, the circuitry will smartly and efficiently charge each specific device.

This is nowhere near the heaviest unit on this list but it may not necessarily be the most portable either. Still, it should fit most transporting situations. It would almost seem that this entry belongs in the middle of this list. However, it really comes down to the fact that the Powerstation is the most consistent design out there.

3. Maxoak

The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
92.5
Maxoak
MAXOAK Laptop Power Bank 185Wh/50000mAh Portable Laptop Charger External Battery
MAXOAK Laptop Power Bank 185Wh/50000mAh Portable Laptop Charger External Battery
Amazon Link
Battery Life
92
Connectivity
93
Protection
93
Portability
92
best offer for today
Amazon Link
$129.99
Pros:

Capacity of 50,000 mAh

Six built-in security protections

You can charge several devices at once

Cons:

It is one of the heavier models out there

Now, if you merely want to invest in the most powerful unit on this list, then this model is your best option. But, do keep in mind that this is not exactly the lightest model, which is to be expected given its power.

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Good luck finding a battery charger that sports the capacity that this bad boy does. With a 50,000 mAh capacity, to give you an example, this could charge an iPhone 17 times. In total, there are six output ports that you can use. There are two 2.1-amp and two one-amp USB ports. In addition, there is a five-amp jack for current laptops and notebooks and a 2.5-amp jack for digital cameras.

On top of the fact that this does support pass-through charging, it is also equipped with two 2.1-amp USB ports for optimal charging. Plus, the DC input is 2.5 amps. It is also built with a lithium-ion polymer battery and six security protections.

Given the sheer power and capacity here, it really is not surprising to see the excess weight. In fact, at nearly three pounds, it is one of the heavier models on the market. There is so much to love about this unit. Not the least of which is its massive battery capacity but do not forget its advanced security protection and charging efficiency.

4. Omnicharge Omni 20

The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
89.8
Omnicharge Omni 20
Omnicharge AC/DC Portable Power Bank - Omni 20 – Battery Pack for Laptops
Omnicharge AC/DC Portable Power Bank - Omni 20 – Battery Pack for Laptops
Amazon Link
Battery Life
89
Connectivity
90
Protection
89
Portability
91
best offer for today
Amazon Link
$199.00
Pros:

100-watt AC outlet

Meets FAA safety guidelines for travel

Support pass-through charging

Cons:

Some users do not like that Qi wireless charging is not included

For the price of the Omni 20, it may surprise some users that it lacks the capacity to compete with other models. Yet, with pass-through charging and fast-charging USB ports, the price is somewhat warranted.

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Going from 50,000 mAh to 20,400 mAh is a bit of a shock. But, this offers a 100 percent charge. Omnicharge designed their Omni 20 with AC/DC outlets to account for a wide range of laptops. Also, they included two fast charging USB ports for other devices.

In addition to the fast-charging USB ports and the 100-watt AC outlet, this is equipped with pass-through charging. This means the unit can charge your devices and charge itself at the same time. It is also equipped with intelligent charging which ensures each of your devices is charged in compliance with the manufacturer’s recommendations. Also, this option meets FAA safety guidelines for air travel.

At a weight of just under 1.4 pounds and dimensions of five inches by 1.1 inches by 4.8 inches, this is one of the more portable units out there.

The Omni 20 is certainly not the cheapest model on this list. Some users may not feel the somewhat lower capacity warrants the price but hey, just look at the other features.

5. Ravpower

The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
86
Ravpower
AC Portable Laptop Charger RAVPower 20100mAh AC Outlet Power Bank 65W(Max) External Battery
AC Portable Laptop Charger RAVPower 20100mAh AC Outlet Power Bank 65W(Max) External Battery
Amazon Link
Battery Life
86
Connectivity
87
Protection
85
Portability
86
best offer for today
Amazon Link
Pros:

Advanced iSmart 2.0 technology

Built with several protection technologies

Features a 2.4-amp USB port

Cons:

There is no AC outlet

As with some of the other entries on this list, this actually does not have an integrated AC outlet. So, if you have a laptop that requires one, this is not going to work for you.

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With a capacity of 26,800 mAh, this is going to have little issues delivering the charges that you require for your devices. While not overloading with ports, this does have two iSmart ports and also both two-amp and one-amp input recharging ports.

First off, there is an integrated Type-C outlet that is designed with 30 watts of power. This matches the original AC MacBook charger by the way. Also, there are two iSmart ports with a combined 3.4 amperage. What is really nice about this model, outside of its short circuit, overcharge, and surge protection technology is it is equipped with advanced iSmart 2.0 technology. This is beneficial for smart and efficient charging.

Some units struggle to combine adequate capacity with a portable design but RavPower did not seem to have this issue. At less than one pound, this is an exceptional surprise. With an integrated AC outlet, perhaps this would have ascended a bit higher on this list. Still, its ideal combination of portability, power, and efficiency is fantastic.

6. Jackery AC Outlet

The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
85
Jackery AC Outlet
Jackery AC Outlet
Amazon Link
Battery Life
84
Connectivity
85
Protection
85
Portability
86
best offer for today
Amazon Link
Pros:

Various USB ports

Conforms to the UL 2743 standard

Equipped with an AC outlet

Cons:

Quite the bulky design

Just from viewing the photos of the PowerBar, you can tell that it is bit chunky. While this certainly can’t be denied, the overall design and performance more than salvage the PowerBar.

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The 20,800 mAh capacity that the PowerBar brings to the table is enough to charge a 12-inch MacBook or an iPhone up to 10 times. The 85-watt, with a 100-watt maximum, AC outlet allows users to charge a vast majority of laptops. In addition, there are also three total USB ports.

This is one of the efficient designs on this list, to be honest. It comes with a quick charging port and also a three-amp Type-C port and a 2.4-amp USB port. Jackery claims that their PowerBar is designed with the highest safety and quality standards and their design does conform to the UL 2743 standard. Now, based on some user feedback, though, it may not have overcharge protection.

To be honest, the PowerBar looks like a brick. While it is not quite as heavy as a normal brick, at around 1.5 pounds, it can still be a load when factoring in other items.

7. Goal Zero Sherpa 100

The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
84
Goal Zero SHERPA 100 PD QI
Goal Zero SHERPA 100 PD QI
Goal Zero SHERPA 100 PD QI
Amazon Link
Battery Life
84
Connectivity
84
Protection
85
Portability
83
best offer for today
Amazon Link
$199.95
Pros:

QI-compatibility

2 USB ports

Very durable

Cons:

Slightly expensive

Larger than expected

Tired of wires? QI-compatible devices are quickly gaining in popularity, and this design from Goal Zero works to make your life just a bit easier. While it still offers many of the traditional USB ports as many of the other designs out there on the market. It is able to wirelessly charge your compatible devices by simply placing them on the top of the unit for a quick and easy charge.

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What makes this design stand out from the pack is that it works to ditch awkward wires. It hosts a QI charging station on the base of the unit that can charge your newer and compatible devices without the need for annoying and often-misplaced wires. It also hosts two traditional USB ports for your other devices as well.

One feature that users really appreciate is the small screen on the face that lets you know how much juice is left in the tank. When fully charged, it reads 100 percent. This screen gives you a better indication of how much power is left before it needs to be recharged at home.

For those in the market for something that is more advanced than some of the other designs out there on the market, this design from Goal Zero is a great choice. It works to rid your life of charging cables with its QI-compatibility and provides users with an easy to read screen that lets you know exactly how much juice is left in the. Plus, it is powerful enough to charge multiple gadgets at one time.

8. Zendure X6

The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
83
Zendure X6
Zendure X6
Amazon Link
Battery Life
83
Connectivity
84
Protection
83
Portability
82
best offer for today
Amazon Link
$69.99
Pros:

24-month warranty

Each port has auto-on smart charging

Can support five devices at once

Cons:

The case design makes this a bit unstable

For what it is, the X6 from Zendure is one of the better designs out there. However, for laptops, it can be a bit limited as it lacks an AC outlet for some models.

Read more

The X6 has a 20,000 mAh capacity which, when compared to the others on this list, can be considered a smaller battery. In total, there are five ports. Four of them are USB ports, with one of them being a 2.0 smart quick charge port.

The total output, in regard to power, is 45 watts. All in all, it is equipped with the latest fast charging technology and can quickly charge the best devices around the world. One of the best features equipped is the auto-on smart charging technology. With this, each port will automatically detect your device and efficiently charge it based on its requirements.

For sure, this is where the X6 shines. Though it lacks the capacity of other units, it weighs less than one pound, is less than five inches in length, and comes with a travel pouch.

If you need nothing but power then this is probably not the design for you. Though, for those that need a battery pack to not weigh their backpack down too much, this is almost perfect.

9. Baseus

The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
82
USB C Fast Battery Pack Charger, Baseus Portable Power Bank 30000mAh, 3 Output Port Charger for iPhone 12 Pro Max, Samsung S20
USB C Fast Battery Pack Charger
USB C Fast Battery Pack Charger
Amazon Link
Battery Life
82
Connectivity
81
Protection
83
Portability
82
best offer for today
Amazon Link
$34.99
Pros:

Very affordable

Easy to charge

2 USB ports

Cons:

Not as powerful as others

If you are in the market for something that is a little more affordable, this design from Baseus is a great choice. What users like most about this design is that it is small and compact, and it is super easy to give it a quick charge before heading out. It charges a myriad of different devices, and it comes in at a price point that won’t break the bank.

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The very first thing that we noticed about this option is that it has a power supply built right into the back of the unit so you don’t have to worry about losing the main charging cable. You can leave it plugged into an outlet at home to grab as you are packing up your gear to head out for the day. Plus, it is incredibly small and compact.

It is important to note that this design isn’t quite as powerful as many of the larger and more expensive designs out there on the market. A single charge is able to power up your cell phone just over two times, and it can only charge up your laptop one time before it needs to be recharged.

If you simply need something that is able to give your computer a quick charge throughout the course of the day, this design from Baseus is a great choice. It comes in at one of the most affordable price points out there on the market, and it is super easy to charge up while at home.

10. Halo Bolt

The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
78.5
Halo Bolt 58830 Mwh Portable Phone Laptop Charger Car Jump Starter
Halo Bolt 58830 Mwh Portable Phone Laptop Charger Car Jump Starter
Halo Bolt 58830 Mwh Portable Phone Laptop Charger Car Jump Starter
Amazon Link
Battery Life
78
Connectivity
79
Protection
78
Portability
79
best offer for today
Amazon Link
$97.22
Pros:

120-volt AC outlet

Many different colors and styles

Comes with a car charger

Cons:

Not the largest capacity and the description is deceiving

The Halo Bolt is one of those designs that often gets swept under the radar when people discuss the best power banks. While not flawless, it certainly is worthy of recognition.

Read more

Do not be deceived, the Bolt does not have a 58830 mAh capacity (that is its Mhw rating). Instead, it is comprised of three 5,300 mAh batteries. It is equipped with a 120-volt AC outlet and also two USB ports. Additionally, this also comes with a car charger to keep this powered on while driving.

The maximum output that this can handle is 65 watts at 115 volts. Ensure that your laptop complies with this range and power. Halo describes their Bolt as being both stylish and safe. It can act as an LED flood light and also as a jump starter for a dead battery.

Though this is dubbed as being light and compact, there are lighter and more compact units out there. Still, it is far from horrendously heavy or bulky.

Criteria Used for Evaluation

Battery Life

At the end of the day, which is actually the most important aspect and the first you should assess ironically, any type of battery pack needs to have the juice that your devices require.

If you were unaware in the beginning, then you probably began to pick up the fact that the number you are looking for is the mAh capacity. For the record, this is an acronym for milliampere-hour. You may also see this as Ah, which is merely ampere hour, but that is usually used to assess higher battery capacities as 1000 mAh is in a single Ah.

For the most part, typical models will range from 1000 to 20,000 mAh. But, as you have seen on this list, some units can go beyond 25,000 and others will even eclipse 50,000. The higher the capacity, the more juice it has to deliver charges to your devices. You can also take into consideration the battery size of your devices, which will be measured in mAh or Ah as well, to see how much capacity you need.

Connectivity

Now, what would a power bank be with a high capacity if it did not have a means to actually charge your devices?

Of course, this means you have to assess what ports you will need. The purpose of this list was to list the best laptop power banks which means all the battery units on this list will charge that device. However, you also need to make sure the right port is integrated. For example, if your current laptop requires an AC connection then you need a model with an AC outlet. But, other types such as notebooks may not require that type of connection. It all depends on your needs.

Also, these are multi-functional chargers so you can also look for USB ports. While the amperage will be addressed in a minute, you can also look for Type-C USB ports as these connectors support faster data transfer speeds of 10 gigabits per second. If you have multiple devices that may need to be charged simultaneously, look for two to three (or maybe even four) USB ports.

Protection

If everything went right in regard to charging, that would be great. Designers simply can’t account for that because when voltages come into play, so can danger and accidents.

Due to this, you always need to look for specific safety features to be integrated. First off, and this is not necessarily a feature, look for the unit to comply with UL standards or be UL listed. This means that the unit has been tested and meets the strict safety standards of the UL. Past this, look for overload protection, overcharge protection, surge protection, short circuit protection, among others.

To briefly describe those aforementioned protection technologies, overload protection will protect the system from a running overcurrent which could lead to overheating. Overcharge protection will prevent your devices from overcharging (which can ruin the battery). Surge protection will prevent any surges from damaging your connected devices. And, short circuit protection will prevent excessive currents from damaging any devices. Also, one last thing, some systems will implement intelligent charging where the device recognizes and adjusts to how each of your connected devices needs to be charged.

Portability

Now that all the potentially overwhelming information is out of the way, you can assess this relatively easy consideration. One of the benefits of power banks is the fact that you can charge your devices, including laptops in this case, on the go. While they can be used at home, it seems a bit counterintuitive considering you have access to other outlets of power. So, they are most convenient on the go which would then mean, portability comes into play.

If you are planning on backpacking or hiking with a power bank, you may not want it to be bulky and heavy. Even the heaviest of models still may not eclipse three pounds but when you are backpacking, the pounds begin to add up quickly. Although, even for normal transport, a more compact and light unit may be what you need.

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Lifespan

Even though this investment may seem steep at first, these bad boys really will pay for themselves. If they are properly maintained, they can retain around 85 percent of their original capacity at around a 450 charge and discharge cycle. Now, what this is referring to is how many times it charges and then discharges (with one being one cycle). If you do the math, you begin to realize that these devices can last for several years.

However, what you need to understand is that with any type of battery, their performance is going to degrade over time. This is no different in this case so eventually, they will need to be replaced.

Automatic Shut-Off

Many of the power banks out there on the market are equipped with a handy automatic shut off feature. When your device is fully charged, it will stop sending power to your device.

This feature not only protects the battery of your device but also extends the battery life of your power block as well!

Other Factors to Consider

Power Source

So, you got the capacity you want and the number of ports you desire. Yet, now you need to ensure the actual charging is efficient. The easiest way to determine that is to assess the specifications of the ports and the unit as a whole. For example, talking about USB ports, you will want at least one of them to have at least 2.1 or 2.4 amps. A one-amp port is not going to be very efficient at charging your USB device; although, it does depend on what the device demands itself. If more than one support 2.1 or 2.4 amps at the same time, then this is even better.

As for the AC outlet, if you need it, United States national standards specify that nominal voltages should be 120 volts. So, ensure that the AC outlet on the power bank is close to that voltage. But, you also need to remember that the battery charger itself will need to be recharged. To do this, you will need to use the input port but they can range from one amp to 2.4 amps themselves. Shoot for a 2.4-amp input so the charger will not take too outrageously long to charge.

Frequently Asked Questions

q: Can a laptop power bank really recharge my laptop to full?

a:

It's hard to imagine that these small little bricks can recharge your laptop to full, but it's true! These little bricks are so powerful, in fact, that they can charge them up to 2-3 times in a single charge. Plus, many are able to change up multiple devices, such as your cellphone. Smaller devices can be charged up to 6 times for most brands, making them a must-have on your next outdoor adventure.

q: What do I do if it won't turn on?

a:

Some troubleshooting may be necessary from time to time and one such instance is if your unit will not turn on. There could be a few reasons why this is happening.

For one, and understand that this can happen and sometimes you really do let the simple aspects slip your mind, it may simply be fully drained. Go ahead and recharge the bank and if it still does not turn on, then it could be a cable issue. It is possible that the system is simply going into sleep mode, which it may do if it detects any possibility of a short circuit or an overcharge (if it has protection technologies).

Use a cable that is in good condition to then recharge the unit itself. If this still does not work, then you may need to get in contact with the manufacturer or any sellers of the product.

q: How can I extend the battery life?

a:

First, you should always use original cables to charge any of your devices including smartphones, tablets, and laptops. Never use third-party knockoffs as they are not as efficient.

Second, if you do not use the battery charger very often, you should at least fully charge it once every three months or so.

In addition, do not store it in a humid place with rapid temperature changes. Oh yeah, and this goes back to the previous point, and it is not wise to leave it fully drained for extended periods.

q: Why is my device charging so slowly?

a:

First off, let’s once again get the obvious out of the way. If you are charging a device that, for example, is plugged into a port that only supports one amp, the charge is going to be slow naturally. Yet, what happens when you know the port you are using is able to charge your devices quickly and it is not? To be honest, it may be a simple matter of the cable that you are using. Remember, always use first-party cables as third-party cables may not be as efficient. But, much like everything else, cables do not last forever so you simply may need a replacement.

q: What do I do if it overheats?

a:

This really goes back to what was discussed earlier about safety features. One of the primary safety features you need to look for is overheating protection, which will be accounted for if it has overload protection. Without this, however, the issue of overheating can come into play.

So, what do you do if this occurs? First off, unplug all the cables and turn off the system. Now, try charging one device and if the heating still occurs (taking into mind that slight heating is normal during charging) then it may be time to contact a service center or the manufacturer.

q: What do I do if it fails to recharge?

a:

This is yet another question that is referring to potential issues that you could encounter. How about this one? What happens if your unit fails to recharge itself? If you know that the AC adapter is securely connected and it is not working, you may need a new one. Also, you may simply need a new cable as it could be defective.

If neither one of these is the problem, then there could be a further issue. Once again, contact the manufacturer in this instance as there may be internal issues.