12 Things You Need to Look Before Buying a Power Bank

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What should I look for when buying a power bank?

If you’re currently looking to buy a power bank, you might come with a question: “What should I look for when buying a power bank?”. Here, we’re going to list down exactly all the criteria and specification that you need to pay attention in order to get the best value of quality and money!

How long do you use your cellphone in a day? Two hours? Five hours? Or never count them? It is almost certain that in today’s internet technology, people will check their cellphones when they have free time.

Whether it’s viewing message notifications, replying to work e-mails, watching YouTube, playing games or just surfing in cyberspace. This explained why your cellphone battery will run out quickly with intense use.

That’s where the power bank function comes as a solution to avoid running out of battery power. With it portability, power bank is easy to carry anywhere when you can’t find a socket to charge your phone.

What Should You Look For When Buying a Power Bank?


1. Check the Power Bank Current Value, Equate with Your Cellphone

The current value power of your power bank has an important role in the use of smartphones. The greater the current flow of power, the faster the smartphone battery will be charged.

Moreover, nowadays there are so many gadgets that present fast charging features.

Therefore, before buying it, first check and look the current value of your targeted Power bank, then match it with the current power of your cellphone.

If the required current is 2 amperes, then make sure you buy the same current rating. This is so that battery charging by Power bank can run normally.

The equalization of the currents will affect the life of the battery, so it will last longer.


You can see the current value on the:

  • Power bank packaging
  • Cellphone cardboard box
  • Your phone’s charger head description

Read Also: Why is My Phone Easily Get Hot and How to Stop It

2. Don’t Be Fooled By The Price

“If the price is expensive, the quality is good.”

“If the price is too low, the quality is questionable.”

This statement is often to be true. Don’t be fooled by the price. Always remember, there is a price, there is quality.

When you are offered a large capacity power bank at a low price, don’t buy it right away. It could be not original.

Logically, it is impossible for large capacity to be sold cheaply. Sometimes the battery used is a reconditioned battery which will certainly harm your device. It’s a good idea to first check the market price and the power bank quality you need.

Read Also: How to Take Care of Charger Cable: Prevention From Breaking

3. Adjust the Power Bank with the Cellphone Battery Capacity

Before buying a power bank, another thing to look and pay attention to is the battery capacity of your smartphone. Then adjust it to the power capacity of the power bank.


We recommend that you choose a power bank that has twice the battery power capacity than your cellphone.

For example, you have a cellphone with a battery capacity of 2,500 mAh. So, look for a power bank that has a power capacity of approximately 5,000 mAh.

The function is so that your cellphone can be fully charged again and you still have the remaining power in the power bank to be used at a later time. Or maybe, you can lend the leftover power in your power bank to your friend.

Read Also: Battery Hack: 11 Tips to Improve Laptop Battery Life

4. Prioritize Li-Polyme Batteries

Most of the batteries used in the market are Lithium Ion (Li-Ion) batteries, although the price is relatively cheaper than Li-Polymer (Li-Po) batteries, Li-Ion batteries are often unstable, causing Li-Ion batteries to heat faster and easily have problems. It might even explode.

On the other hand, the Li-Po type battery is more stable and less prone to electrolyte leakage. So, the Li-Po battery power bank has a longer resistance than Li-Ion.


5. Select Power Bank with Original Brand

There are various types of power bank brands on the market. Make sure you choose a power bank with a trusted brand. By choosing a brand that is well known and guaranteed authenticity, the quality has been tested.

However, make no mistake. There are many fake products out there with well-known brands. Again, don’t be easily tempted by the very cheap prices. In general, well-known brands will cost more than brands with unfamiliar names.

But by draining the contents of your wallet more, you will get good quality and can be used for a long time, not easily damaged.

6. Does Your Power Bank Have Security Features?

Not a few people ignore the security features of buying Power bank. This is due to a lack of information about this feature.

Make sure the power bank you want to buy has a Short Circuit Protection feature, which is a protection feature that prevents short circuits or short circuits, both on your power bank or your gadget, so that it will avoid damage.


In addition, it is important to have the Over Charging Protection feature, which means that if the battery on the device is fully charged by the power bank, the electric current that is flowed will automatically cut itself off.

Finally, it will be more complete with the Temperature Protection feature. The goal is to detect excess heat when charging. So, don’t underestimate the features in Power bank, so that your gadget battery is safe.

7. Observe the Product Warranty

Choose a power bank brand with a relatively long product warranty, at least 6 months or 1 year.

Make sure the warranty is an official guarantee, not a shop or personal guarantee. Many counterfeit products are offered at low prices and provide a 1 year warranty, but not an official guarantee.

8. Ensure It Has CE and FCC Certifications

A good power bank must pass the quality test. One of the characteristics of the best and best quality power bank is the CE (European Standard) and FCC (US Federal Communications Commission) certification.


With the existence of these standards, at least it can guarantee that the power flow will not damage your smartphone.

9. Select a Power Bank with Protection Technology

Important power bank features are short circuit protection and over-charging protection. The first feature is useful for protecting your smartphone from electrical short circuits caused by power banks if they don’t work properly.

While the over charging protection feature is useful for automatically stopping charging once your smartphone is fully charged.

Therefore, you don’t need to worry about your cellphone charging and power bank running out if you forgot to unplug it.

10. Best Guarantee

Power bank with the best quality usually has a direct warranty from the manufacturer. Usually there are manufacturers who provide a warranty ranging from 6 months to 1 year.


11. Pay Attention to the Built Quality of the Power Bank

In addition to a simple and efficient model, you must also pay attention to the built quality of the power bank itself. Does the material used feel sturdy, or is it very fragile? The fragile material will certainly shorten the life of the power bank.

Power bank with less quality material will heat up quickly. Usually, a power bank that has a built-in low will make a sound when you shake it.

12. Select Power Bank with Indicator Screen

After Built-quality, another thing to look before when buying a power bank is the indicator screen. The indicator screen is an important feature of a power bank that functions to provide a warning when it is almost out of power and after that it gives a notification when the power has finished charging.

Even though it seems trivial, the indicator screen is very useful, without this screen you can’t predict when you have to charge your power bank.

Bottom Line

After reading all the points above in choosing a power bank, our advice is that if you find a socket to charge your gadget, it is better to just use that socket.


The goal is to make your power bank more durable and not easily damaged. Please note that using power bank too often can affect the increase in heat on your device. Be wise in using it, yes.