How a Power Bank with Wireless Charging Works
A power bank with wireless charging transfers power via induction: the power bank contains a coil that generates a magnetic field, and the receiving coil in your phone converts that field back into electricity.
This charging uses the Wireless Power Consortium's Qi standard, so the brand of your device doesn't matter. Among the range of portable chargers Is this the version where you set the device down instead of plugging it in?
Newer models use Qi2 technology, which incorporates magnets so your device is positioned correctly right away, instead of you having to adjust it until the light turns on. In addition to the charging pad, nearly every model includes a USB-C port, so you can also simply use a cable and the corresponding chargers continue to use.
Which phones can you charge with a wireless power bank?
With a wireless power bank, you can charge any phone that supports the Qi standard. Virtually every recent mid-range and high-end device has a receiving coil, while entry-level models often lack one.
If you're not sure, check your phone's specifications or the battery settings: if it mentions wireless charging or "Qi," the power bank will work.
In addition to smartphones You can also charge it the same way wireless earbuds as long as the charging case supports Qi. If your device doesn't support wireless charging, you can use the USB-C port on the same power bank to charge at full speed anyway.
How fast does a power bank charge wirelessly?
Wireless charging of a power bank ranges from 5 to 15 watts, depending on the standard supported by both your device and the power bank. The original Qi standard started at 5 watts and increased to 10 watts. Qi2 raised that to 15 watts, and since April 2025, Qi2 25W has been available, with which the Wireless Power Consortium set the maximum at 25 watts.
For charging on the go, 15 watts is more than enough: just place or clip your phone onto it and it will continue charging while you keep using it as usual. If you ever want to charge at full speed, simply connect it to the USB-C port on the same power bank. This gives you two charging options in one device, so you can choose whichever is most convenient at any given moment.
How many mAh does a wireless power bank need?
A 5,000 mAh wireless power bank can fully charge an average smartphone about once, and a 10,000 mAh power bank can charge it about twice.
So think in terms of charge cycles rather than mAh: that gives you a better idea of a model's practical value. Plus, more capacity means more weight and thickness, and you'll definitely notice that in your pocket.
Therefore, choose based on usage:
- Daily charging: 5,000 mAh, compact and light enough to take with you everywhere.
- A long day or a festival: 10,000 mAh—enough to power both your phone and your earbuds.
- Weekend getaway: more capacity, with a model that feels a bit sturdier in your hands.
If you fly regularly, a wireless power bank is a good choice: models up to 100 Wh are allowed in your carry-on luggage, which is equivalent to about 27,000 mAh.
Buy a Wireless Power Bank
You can buy a wireless power bank at TechPunt With the lowest price guarantee in the Netherlands: if you find it cheaper at another online store in the Netherlands or Belgium with the same delivery time and warranty period, we'll adjust the price accordingly.
If you place your order on a business day before 8:00 p.m. and the model is in stock, you’ll receive it the next business day in the Netherlands and Belgium. Orders over 75 euros qualify for free shipping. Everything ships directly from our own warehouse in Barneveld—so no drop shipping and no surprises later on—and you’ll receive a 2-year warranty and a 14-day return policy.
If you're looking for a case or screen protector to go with it, check out the phone accessories. Can't decide which model is right for you? Give us a call or send us an email—we'd be happy to help you figure it out.
