Always power at hand with a power bank
A power bank, also known as a portable charger, is a portable, rechargeable battery that lets you charge mobile devices without needing a power outlet. You charge the power bank in advance via a cable, at home or at the office, and then use the stored energy on the go to power your smartphone, tablet or other devices. You connect your device via a USB-C cable or another connection, and the power bank automatically supplies the power needed.
The lifespan of a power bank depends on how often you charge it and how well you take care of it. Most quality power banks last between 300 and 500 charge cycles before the battery capacity noticeably declines. With normal daily use, this means an average of two to four years. A robust design, overcharge protection and overheating protection all contribute to a longer lifespan. Store your power bank at room temperature and don't drain it completely unnecessarily; that way you keep it in good condition for as long as possible.
The best-selling power banks
Benefits of a power bank
A power bank offers so much more than just emergency power. Below you'll find the main benefits all in one place, so you'll immediately understand why so many people rely on one every day.
- Power anywhere you go: with a power bank you're not dependent on wall sockets. Whether you're travelling, camping or having a long day at work: your phone stays charged.
- Compatible with almost any device: power banks work universally with iPhones, Android phones, tablets, earbuds and other USB devices. USB-C support makes them even more versatile.
- Fast charging thanks to quick charge: models with fast charging via Power Delivery or Quick Charge significantly shorten the charging time, both for your device and for the power bank itself.
- Charge multiple devices at once: thanks to multiple ports, you can charge your phone and your tablet or earbuds at the same time, without having to choose.
- Compact and lightweight: modern power banks are designed to take with you. A compact size and light weight make them ideal to carry in a bag, backpack or coat pocket.
- Safe and reliable: quality power banks are equipped with safety protection against overheating, overcharging and short circuits, so your devices stay protected.
A power bank is therefore a reliable, efficient companion for anyone who's often on the go or depends on their devices.
What powerbank capacity do I need?
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Suitable for |
Number of charging cycles (smartphone) |
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Occasional use, emergency charger, compact to take along |
Charge fully once |
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Daily use, short trips |
2 to 3 full charges |
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Longer trips, holidays, multiple devices |
4 to 6 full charges |
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Intensive use, charging laptops, outdoor and expeditions |
6 times or more, including tablets and laptops |
What kind of power bank should I choose?
When choosing a power bank, there are a few things to pay attention to. The capacity in mAh determines how much energy the power bank can store and how often you can charge your device. The output in watts determines how fast that charging goes. It's also handy to look at the number of ports: if you want to connect multiple devices at once, choose a model with multiple connections.
Also pay attention to the size and weight. A small power bank might be nicer, especially if you take the power bank with you every day. If you also want to charge a laptop, check whether the power bank supports USB-C with Power Delivery. Finally, compatibility with your devices, whether it's an iPhone or Android, is always something to check.
Which power bank capacity do I need?
The capacity of a power bank is expressed in milliampere-hours, or mAh. The higher this number, the more energy the power bank can store and the more often you can charge your device. Keep in mind that a power bank never converts its full capacity into usable energy; due to efficiency loss during charging, the effective capacity is slightly lower in practice. The table below gives an overview of which capacity suits which use.
For most people, a 10,000 mAh power bank is the best choice: enough capacity for everyday use, without having to carry a heavy or large power bank. If you travel more often or want to charge multiple devices, then 20,000 mAh or more is the smart choice.
How much power output should my power bank have?
Besides capacity, the power output of a power bank, expressed in watts, is an important factor. The output determines how quickly your device charges. A lower wattage is enough for smartphones and earbuds, but for tablets and especially laptops you need a higher wattage. Fast charging via Power Delivery or Quick Charge also requires a minimum wattage. The table below helps you determine which output suits your devices.
For everyday smartphone use, a power bank with 18 to 20W is plenty. If you also want to charge your tablet or laptop quickly, go for a model with at least 30W and Power Delivery support. That way you're covered quickly and efficiently in any situation.
Powerful power banks for every device
Power banks come in many shapes and sizes, tailored to a wide range of devices and use cases. The most common type is the smartphone power bank: compact, lightweight and perfect for everyday use by students or travelers. But there are also powerful models that can fully charge a laptop, thanks to a high capacity and USB-C with Power Delivery. For the outdoor enthusiast or camper, there are rugged, weather-resistant power banks that work reliably even in tougher conditions.
In addition, there are power banks with wireless charging, which let you charge your compatible smartphone or earbuds without a cable. Models with an LED indicator show how much power is still available, so you're never caught off guard. And for those who want to power multiple devices at once, there are power banks with multiple ports, including both USB-C and classic USB connections.
Buy a power bank at TechPunt
At TechPunt you'll find an extensive range of portable chargers for every user and every device. As an official Xiaomi distributor, we offer the largest Xiaomi range in the Benelux, complemented by other quality brands.
All power banks are shipped from our own warehouse in Barneveld: order on a business day before 8:00 PM and you'll have your new power bank at home the very next day. View our full range of power banks and order your new portable charger from TechPunt today.
How much power should my power bank have?
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Suitable for |
Charging speed |
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Smartphones, earbuds, smartwatches |
Standard charging |
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Smartphones with fast charging, tablets |
Fast charging with Quick Charge |
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Tablets, small laptops, multiple devices at once |
Fast charging via Power Delivery |
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Laptops, professional devices, powerful fast chargers |
Very fast charging, suitable for high-power devices |
FAQ about power banks
What is a power bank?
What is a power bank?
A power bank is a portable, rechargeable battery that lets you charge smartphones, tablets and earbuds without a power outlet. You charge the power bank at home via a cable and then use the stored energy on the go. Power banks vary in capacity, size and output, from compact emergency chargers to powerful power banks for laptops, for example.
How much does a power bank cost?
How much does a power bank cost?
The price of a power bank depends on its capacity, power and features. A compact power bank of 5,000 to 10,000 mAh is already available from around 15 to 30 euros. Models with a higher capacity of 20,000 mAh or more, or with fast charging and multiple ports, usually cost between 30 and 60 euros. Powerful power banks that can also charge laptops are often a bit higher in price.
What kind of power bank should be in an emergency kit?
What kind of power bank should be in an emergency kit?
For an emergency kit, a power bank of 10,000 to 20,000 mAh is a great choice: big enough to charge your smartphone several times, yet still compact enough to store away. Look for a sturdy design, overcharge protection and an LED indicator, so you always know how much power is still available. USB-C support ensures broad compatibility with modern devices.
How do I charge my power bank?
How do I charge my power bank?
In most cases, you charge a power bank with a USB-C cable connected to a wall outlet or fast charger. Many modern power banks support fast charging, so they're fully recharged in no time. Some models also support wireless charging as an input. Check the manual for your model for the recommended charging method.
How long does a power bank last?
How long does a power bank last?
Most power banks last between 300 and 500 charge cycles before the battery capacity noticeably decreases. With normal use, this means an average of two to four years. Store the power bank at room temperature and don't let it fully discharge to keep it running as long as possible.
user@techpunt.nl
user@techpunt.nl
user@techpunt.nl
user@techpunt.nl
user@techpunt.nl
