PowerBankExpert.com is reader-supported. If you purchase products via the links on our site, we might earn affiliate commissions.

Sales Sales

How does a power bank work?

Power banks are essentially batteries with smart circuitry that regulates current to charge USB-powered gadgets safely. Because power banks are

Read More

What is a power bank used for?

Power banks are rechargeable batteries that are designed to charge portable electronics on the go. They are capable of charging

Read More

What is the biggest power bank you can take on a plane?

Power banks are basically batteries that you can use to charge up your devices. However, there are limits regarding the

Read More

Car battery smells like rotten eggs? Here’s what you need to do

You get inside the car and notice the stinky smell of rotten eggs, but you’re sure you didn’t leave any

Read More

How fast does a power bank charge a phone?

Since the emergence of portable devices, charging speed has been a primary focus, even more so with power banks. Charging

Read More

What does “Service Battery Charging System” mean?

You get into your car, and everything looks to be in order until you turn the key and the engine

Read More

How Do Solar Power Banks Work?

The whole idea behind power banks is to have access to power even when you are on the top of

Read More

Do gas stations sell batteries and power banks?

It is common for us to refuel and pick up some snacks for the road ahead of us at gas

Read More

What to do if your power bank gets hot?

Every electrical device creates heat to some degree, and power banks are no exception. This article will explore what causes

Read More

18350 vs 18650 batteries. Key differences and similarities

18350 and 18650 are two of the cylindrical batteries that are often used in devices with high power consumption. In

Read More

What is overdischarging in batteries?

The term “Overdischarge” refers to a situation in which a battery’s voltage falls below the minimal level. In this article,

Read More

What is overcharging in batteries?

Overcharging occurs when a battery is charged beyond its maximum capacity, in other words, when a battery is charged to

Read More

What is USB-C Power Delivery (PD)?

Charging smartphones, tablets, laptops, and other portable devices has never been fun, much more so since battery capacity has improved.

Read More

Can you charge your power bank using a mobile charger?

The vast majority of power banks sold today do not also come with a wall charger. Those that do, are

Read More

How to charge your power bank using a laptop

While a power bank is usually used to charge other devices, there are times when it runs out of juice,

Read More

What Type Of Charger Can You Use For A Power Bank?

Most of the time, power banks do not come with a dedicated charger with them. They just have a charging

Read More

Can you charge a phone or power bank with a generator?

While the need for an electric generator is uncommon in urban areas, it can become crucial equipment during a power

Read More

Lithium battery pillow effect explained (aka spicy pillow)

Swelling is one of the most common issues with lithium-ion batteries. They resemble a pillow as they expand, which is

Read More

Advantages and disadvantages of power banks

Like any other device, power banks have their own pros and cons which you should be aware of before making

Read More

Can you charge a power bank with a fast charger?

Yes, you can use a fast charger to charge your power bank. However, both your power bank and the charger

Read More

Low Current Charging in Power Banks (aka Trickle Charging)

The majority of power banks do not charge devices that require low voltages. Gadgets such as fitness bracelets, smartwatches, Bluetooth

Read More

Power bank battery drains fast? Here’s what to look out for

While power banks have advanced tremendously in terms of capacity and are now available in huge capacities, charging methods have

Read More

Portable charger making high-pitched noise?

The high-pitched noise produced by your portable charger is referred to as “coil whine,” and it is most evident on

Read More

How to charge a power bank

When our portable charger runs out of power, you must charge it if you wish to use it again. Unsurprisingly,

Read More

Can you repair a power bank?

Like any other devices, power banks do break from time to time. While in many cases they can be fixed,

Read More

Does airplane mode charge your phone faster?

Yes, using airplane mode will speed up the charging process. This is because the cellular, Bluetooth, and Wi-Fi features consume

Read More

Can you bring power banks on Emirates flights? Rules and regulations.

Emirates’ regulations on power banks are restrictive, and passengers are only permitted to carry them inside the cabin with them.

Read More

Can you charge your phone on a plane?

Unlike a decade ago, most airlines now provide USB ports and outlets for charging electronics such as phones, tablets, and

Read More

Best places to find power banks near you

Sometimes you might be in a rush or forget to bring a charger along when you need it the most.

Read More

Why is my phone losing battery while charging?

A phone losing battery when charging is one of the issues that can occur for a multitude of reasons. If

Read More

Power banks on EasyJet airline flights. Rules and regulations.

EasyJet, like every other airline, has stringent policies regarding carrying battery-powered devices on flights. For instance, this airline allows only

Read More

Do power banks stop charging when full?

Most power banks do stop charging after reaching their full capacity. In recent years, manufacturers have been acutely aware of

Read More

How long do TPMS batteries last?

TPMS (tire pressure monitoring system) batteries have a lifespan of 5 to 10 years or 60k to 80k miles. However,

Read More

How long do 18650 batteries last?

18650 batteries are used in high-power electronics, and while they require around three hours to charge, the duration expected to

Read More

What are the signs of a bad cell phone battery?

Are you experiencing automatic restarts when using resource-intensive apps, slow charging, or strange behavior from your phone? All of these

Read More

How Long Do Key Fob Batteries Last?

The CR battery series is the most popular used in key fobs today, with the CR2032 being the most popular

Read More

Power banks on Delta Airlines flights. Rules and regulations.

Delta Airlines has a strict policy that only allows lithium-ion power banks and other batteries with a maximum capacity of

Read More

Power banks on American Airlines flights. Rules and regulations.

American Airlines treats portable chargers, battery packs, power banks, and mobile phone battery cases the same way it treats spare

Read More

Graphene batteries: Future tech or hype?

Batteries have become a necessary element we need to conduct our everyday lives. However, graphene batteries are currently the subject

Read More

Taking a power bank on a United Airlines? Here’s what you need to know

Power banks with a capacity of less than 100Wh are permitted in carry-on baggage but not in checked baggage for

Read More

Taking a power bank on a Ryanair flight? Here’s what you need to know

According to Ryanair’s official website, passengers are only permitted to bring power banks with a maximum capacity of 160Wh. Most

Read More

How to Fix Audio Static or Humming Noises from the Aux When Charging Your Phone Via the Car’s Cigarette Lighter

No road trip is complete without music. Be it a routine drive to work or a road trip, good music

Read More

Why is my phone charging slow and dying fast? 

There are many reasons why a battery charges slowly or dies quickly, and in this post, we will discuss the

Read More

Ni-Cd vs. Ni-MH vs. Li-ion Rechargeable Batteries Compared. Which Is Better?

With the advancement of technology and the development of portable electronics such as cellphones, laptops, and cordless power tools, it

Read More

Swollen power bank? Here’s why it happened and what to do about it.

Although it’s not a common occurrence, power banks do swell or bloat from time to time. When this happens, they

Read More

What happens when you overcharge a battery?

Overcharging is a damaging process that can happen to any rechargeable battery. But what really happens when it takes place? Let's have a look

Read More

What to do if your power bank keeps disconnecting and turning off

Sometimes a power bank might automatically disconnect and stop charging. Find out why this might be happening and how to fix it.

Read More

Are 20000mAh power banks allowed on flights?

Airline regulations can be confusing. Are 20000mAh power banks allowed on planes? Let's find out

Read More

Can charging with a power bank damage your phone battery?

Power banks are the perfect accessories for mobile phones. But can they damage their batteries while charging?

Read More

What is short circuit protection in power banks?

Short circuit protection is a basic safety feature in almost all power banks. Learn what it is and how it works.

Read More

Why are power banks not allowed in checked baggage?

You can take power banks on a plane but only in the carry-on but not in the checked baggage. How come? Let's explore the causes that lead to ot these rules.

Read More

What is over-discharge protection in power banks?

Whenever you buy a new power bank, you may notice that it comes with a series of safety features that

Read More

Can you charge a laptop with a power bank?

Overall it is very much possible to charge any laptop using a power bank. However, you’ll need to make sure

Read More

Is your power bank charging slowly? Try this

Sometimes the charging speed of our power bank can get frustratingly slow. This reduced charging speed can have several causes

Read More

What is overcharge protection in power banks?

Almost all power banks have overcharge protection. But what is it and how does it actually work?

Read More

Are power banks bad for your phone? Can they damage the battery?

Under normal circumstances charging a phone with a power bank will not damage the battery. In fact, it should have

Read More

Is it safe to use a phone while charging it with a power bank?

Generally speaking, it’s safe to use a phone while charging it with a power bank. However, and here comes the

Read More

Can you charge a power bank with a phone charger?

Yes, it is possible to charge your power bank with your phone charger! In fact, most power banks come without

Read More

How long does it take to charge a power bank?

The charging time of a power bank depends on several factors: the power bank’s capacity, the charging technology, and the

Read More

Is it safe to leave your power bank charging overnight?

What happens if you leave your power bank charging overnight? Can it get damaged, heat up, or even explode? Get advice and recommendations.

Read More

Lithium-ion vs Lithium-polymer power banks. Which is better?

Power banks come with different battery types, including Li-ion and LiPo. But which ones are better? In this post, we explore their differences, pros, and cons.

Read More

How to charge your phone using a car cigarette lighter

You can definitely charge your phone using a car cigarette lighter. But some approaches are safer than others. See which is the best one.

Read More

How many mAh do you need to charge your phone?

Unsure of how many mAh you need to charge your phone? In this post, we'll help you find out the right power bank capacity to charge your phone up to 2 times.

Read More

Can a power bank charge and discharge simultaneously?

Find out if power banks can charge and discharge simultaneously. This is a feature that can be useful in some situations.

Read More

Can Power Banks Explode?

In very rare situations power banks are known to explode. In this article, we detail the main causes and how to prevent explosions from happening.

Read More

Power bank vs portable charger. What is the difference?

Are you confused by the actual meaning of the terms "power bank" and "portable charger"? We shed light on this subject and offer examples of correct usage.

Read More

What is pass-through charging in power banks?

Pass-through charging is a key feature in power banks. It can be very handy in certain situations. In this article, we explained what it is and how it works.

Read More

How Long Does a Power Bank Keep its Charge?

Most people that purchase power banks rely on them on a daily basis. But sometimes it takes a long time

Read More

Gallium Nitride (GaN) Technology

Gallium Nitride (GaN) technology is an emerging trend, which brings a lot of high hopes for the future of the

Read More

How long does a portable charger last on average?

Ever wondered how much does a portable charger actually last? Months, years? It actually depends on several factors.

Read More

What happens if you plug a portable charger into itself

Since a power bank holds energy and has both input and output ports, it doesn’/t take long for people to

Read More

Anker’s PowerIQ Fast-Charging Technology

With the growing development of smartphones, tablets, and laptops, consumers are searching for quick and effective ways to charge their

Read More

What is Qualcomm Quick Charge?

In this post, we break down Qualcomm Quick Charge technology, analyze its evolution, and study the benefits of using compatible chargers and power banks.

Read More

How do you know when your portable charger is fully charged?

Portable chargers or power banks have small LED light indicators that give information about the various states of the unit.

Read More

Is your power bank blinking but not charging? Here’s what to do

Power banks can be real lifesavers, but sometimes they can give us headaches too. One of the most common problems

Read More

Why is there a difference between real and rated battery capacity?

It is undeniable that power banks have made our lives easier when it comes to extending the battery life of

Read More

How Long Do Cell Phone Batteries Last?

Battery life is influenced by many factors, so there is no straightforward answer to this question. However, on average, a

Read More

Can you bring portable chargers on a plane? 3 TSA rules you need to know

Many people do not know whether they are allowed to bring power banks on planes or not. The airline industry

Read More

What is a power bank? Power banks explained

A power bank is a portable battery designed to recharge electronic gadgets when you don’t have access to a regular

Read More