10 Most FAQ About Power Banks

Have you ever been out and about and your phone battery died? Or have you been traveling and there’s no electrical outlet available? Many of us have likely faced these situations. In such times, a power bank can come to our rescue. However, without sufficient knowledge about power banks, we might encounter problems in selecting and using them.

In this article, we intend to answer the 10 most frequently asked questions about power banks so that you can choose and use the right power bank with full awareness. Continue with us to answer the frequently asked questions by users about this device.

1. Can you take a power bank on a plane?

In response to the first of the 10 frequently asked questions about power banks, yes, you can take a power bank on a plane, but there are restrictions that you should be aware of:

• Capacity: According to the regulations of the Federal Aviation Administration (FAA) and the International Air Transport Association (IATA), the maximum capacity of a power bank that you can bring into the cabin is 100 watt-hours or 27,000 milliamp-hours.
• Number: Most airlines allow you to bring two power banks with the maximum permitted capacity into the cabin.
• Type of Battery: Your power banks must be lithium-ion or lithium polymer batteries. Other types of batteries are not permitted.
• Protection: Your power banks should be placed in a suitable case or packaging to prevent damage during the flight. Important Tips
• in flying: Before flying, check the power bank carrying rules with your airline.
• At security screening: At security screening, you may be asked to show your power bank for inspection.
• During the flight: Refrain from turning on or using the power bank during the flight. Power bank rules in checked luggage: If you have a power bank with a capacity of more than 100 watt-hours, you can carry it in your checked luggage. However, remember that weight and volume restrictions also apply to checked luggage.

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2. How do we charge a power bank?

Charging a power bank is a simple process, but there are tips to follow to extend its life and improve its performance. Power Bank Charging Steps

1. 1. Choose the appropriate cable: Use a cable that matches the input port of your power bank. Most power banks use microUSB or USB-C ports.
   2. Connect the cable to the power bank and power adapter: Make sure the cable is fully connected to both the power bank and the power adapter.
   3. Connect the power adapter to an electrical outlet: Use a power adapter with the correct voltage and current output. The voltage and current required by your power bank are usually written on its body.
   4. Wait for the power bank to fully charge: The charging time depends on its capacity and the output power of the adapter. You can check the user manual of the power bank for an approximate charging time.
   5. After the power bank is fully charged, disconnect it from power: Keeping the power bank connected for a long time can reduce its battery life.

Important Tips:

•  Use quality chargers and cables.
•  Charge the power bank in a cool, dry environment.
•  Avoid placing the power bank in direct sunlight or extreme heat.
•  Do not use the power bank while it is charging.
•  If you are not using the power bank for a long time, charge it partially and then turn it off. We will continue to answer more frequently asked questions about power banks.

3. How do we reset a power bank?

You may encounter issues such as the power bank not charging or not turning on. In these cases, resetting the power bank can help solve the problem. Below are the steps to reset a power bank:

1. 1. Find the power button: The power button is usually located on the side of the power bank.
   2. Press and hold the power button: Press and hold the power button for 10 to 15 seconds.
   3. Wait for the power bank to reset: The power bank will turn off and on, and the LED lights will blink.
   4. Turn on the power bank: After it resets, press the power button again to turn on the power bank. Important Tips
   5. If pressing and holding the power button does not reset the power bank, you may need to connect the charging cable and then press and hold the power button.
   6.  If resetting does not solve the problem, there may be an issue with the battery, and it may be necessary to repair or replace the power bank.

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4. How do we turn off an Anchor power bank?

Unlike most electronic devices, anchor power banks do not have an on/off button and automatically turn off under different conditions:

A) Disconnection

•  When you use an anchorpower bank to charge a device and disconnect the cable, the power bank automatically turns off.
•  This is to save battery power and prevent unwanted battery drain.

B) Inactivity

•  If you do not use the anchor power bank for an extended period (usually 30 to 60 minutes), it automatically turns off.
•  This is also to save battery power and increase its lifespan.

C) Excessive heat

•  If the anchor power bank becomes too hot, it will automatically turn off.
•  This is to prevent damage to the power bank and protect its battery. Important Tips
•  If you want to forcibly turn off your anchor power bank, you can connect the charging cable and then press and hold the power button for 10 to 15 seconds.
•  However, it is recommended to use this method only if necessary, as it could lead to reduced battery life.

5. What are the best power banks?

Given the wide variety of power banks on the market, choosing the best power bank for you depends on your needs and budget. Below is a table with several examples of the best power banks available on the market in the year 2024:

The name of the power bank	capacity(mAh)	ports	Charging speed (W)	Size (mm)	Weight (g)	Safety features
anchor PowerCore III Slim 10000mAh	10000	1 USB-A, 1 USB-C	18	151 x 65 x 17	210	Protection against overcharging, overheating, short circuit
RAVPower RP-PB15	15000	2 USB-A	18	160 x 80 x 22	300	Protection against overcharging, overheating, short circuit
Xiaomi Mi Power Bank 2i	20000	2 USB-A, 1 USB-C	18	155 x 75 x 22	350	Protection against overcharging, overheating, short circuit
anchor PowerCore III Elite 20000mAh	20000	1 USB-A, 1 USB-C	60	160 x 75 x 22	320	Protection against overcharging, overheating, short circuit
RAVPower PB21000	21000	2 USB-A, 1 USB-C	22.5	160 x 80 x 30	420	Protection against overcharging, overheating, short circuit
Aukey PB-N13 26800mAh	26800	2 USB-A, 2 USB-C	100	180 x 85 x 40	560	Protection against overcharging, overheating, short circuit

6. What size power bank do I need?

To determine the appropriate capacity for your power bank, you should consider how much you use your smartphone and its battery consumption.
Below is a general guide to choosing the right capacity for a power bank:

•  Casual users: If you use your smartphone only for everyday tasks like making calls, sending messages, and browsing the web, a power bank with a capacity of 5000 to 10000 milliamp-hours is sufficient for you.
•  Active users: If you use your smartphone for high-drain activities like gaming, watching videos, or using GPS, you will need a power bank with a capacity of 10000 to 20000 milliamp-hours.
•  Heavy users: If you use your smartphone continuously for demanding tasks, you will need a power bank with a capacity of 20000 milliamp-hours or more.

7. Which power bank is good?

In previous sections, we listed several examples of the best power banks available on the market in 2024 in a table; however, it is also important to consider the following points regarding your needs and budget.

1.  Capacity: The capacity of the power bank is measured in milliamp-hours (mAh). The higher the milliamp-hours, the more charges the power bank can provide to your devices.
2.  Ports: Most power banks have USB-A ports for charging phones and other USB devices. Some power banks also have USB-C ports for charging laptops and other USB-C devices.
3.  Charging speed: The charging speed of the power bank is measured in watts (W). The higher the watts, the faster the power bank can charge your devices.
4.  Size and weight: If you plan to carry the power bank with you, consider its size and weight.
5.  Safety features: Some power banks come with safety features like protection against overcharging, overheating, and short circuits.

8. Can my power bank charge my laptop?

Whether your power bank can charge your laptop depends on several factors:

A) Power bank output power

1.  To charge a laptop, you need a power bank with a minimum output of 45 watts and a USB-C port.
2.  The output power of the power bank is measured in watts (W) and is usually indicated on its body.
3.  For example, if your power bank has an output of 18 watts, it is not sufficient for charging your laptop.

B) Your laptop’s battery capacity

1.  The capacity of the laptop battery is measured in milliamp-hours (mAh) and indicates the amount of charge it holds.
2.  The higher the battery capacity of your laptop, the more capacity you need from a power bank to fully charge it.
3.  For example, if your laptop has a 6000 mAh battery, you need a power bank with a capacity of 12000 mAh or more to fully charge it.

9. How can we charge a power bank without a charger?

Unfortunately, power banks cannot be charged without a charger. Power banks have internal batteries that require an external power source to be recharged. However, some power banks come with built-in solar panels that can be used to charge the power bank using sunlight. However, this method is slow and may not work well in all lighting conditions.

10. How can I properly take care of my power bank?

To take care of your power bank, you should:

•  Keep it in a cool, dry place.
•  Avoid exposing it to extreme heat or direct sunlight.
•  Protect it from impacts and bumps.
•  Avoid overcharging it.
•  Use high-quality chargers and cables.

conclusion

I am always on the move and therefore need a reliable power bank so I can charge my devices while on the go. I have been using various power banks for several years and have had different experiences with them. Some charged quickly, some had long battery lives, and others were simply not reliable. That’s why I decided to write this article in response to the 10 most frequently asked questions about power banks, based on the experiences I’ve gained. I hope that by reading it, you have found the answers to your questions.