Should you buy a wireless charging power bank for your Samsung Galaxy S9


More and more mobile phones embrace wireless charging. Samsung Galaxy S9 has this feature with no surprise. You may have chosen a wireless charging pad for your new S9, which makes charging more convenient and cool. However, there is a gadget cooler than it, wireless charging power bank. With it, you can almost say goodbye to charging cables. Should we buy it? Let’s learn about how to choose a wireless charging power bank first.


How to choose a wireless charging power bank for your Samsung Galaxy S9 or S9 plus?

  • Qi Charging Standard

Make sure the wireless charging power bank you choose supports the Qi Standard. Although most phones which support wireless charging apply Qi charging standard, there are some other wireless charging standards out there.

  • Future Proofing

If you always replace your phone with a newest one, it might be worth looking out for a more powerful charging power bank that will support future devices. And get one with a more powerful wireless charger won’t hurt your lower rated devices, which will charge your devices with the most suitable speed. 

  • Wireless Charging Power

The official recommend wireless charging pad for Samsung Galaxy S9 can provide 9 watt wireless charging power. Therefore, if you don’t want to take a long time to wait for your S9 been fully charged, you should choose a wireless charging power bank which can provide charging power around 9 watt.

  • Battery Capacity

Common sizes of power banks range from 2000mAh up to 26000mAh or even larger. Larger capacity means more power and more recharges for your S9, but bigger body size. Therefore, choosing a suitable battery capacity is most important. Samsung Galaxy S9 houses a 3000mAh battery inside. You can decide to refer to the frequency of power bank’s usage. If you just need to recharge it three times a day, 10000mAh power bank will be the choice.

  • Power Output of ports

Sometimes, you will use power bank to charge other devices which don’t support wireless charging. Therefore, the output ports on it are also important. The number and feature of power bank’s ports are various. Power outputs vary as well. For S9, the quick charge port is definitely needed. How to quick charge Samsung Galaxy S9

  • Recharge of power bank

Power Bank input ranges from 1Amp up to 2.4Amps (short for ampere and it’s a unit of current). In short, the bigger the input, the faster it will recharge.

  • Safety

[Efficiency] – More efficient power bank is, a lower operating temperature it will have, which wastes less energy for a longer life expectancy.

[Over Current Protection] – it prevents too much power going into the battery pack and the power going out to the connected equipment, protecting the delicate circuitry of both devices.

[Over Voltage Protection] – it protects both the power bank and the connected device by keeping the voltage within recommended safety parameters to avoid damage.

[Over-Discharge/Charge Protection] – some power banks consistently monitor charge states to prevent this from happening.

[Heat Tests at Extreme Temperatures] – While using batteries in extreme temperatures isn’t advised anywhere.


I searched for a long time and didn’t find a wireless charging power bank which can satisfy my requests. 

  • wirelessly charge a phone too slow
  • recharge itself too slow
  • Lack of parameters

Therefore, I won’t recommend anyone of them to you. If you find one deserve to be bought, please leave a comment below and share with us. Best Power Banks for Samsung Galaxy S9

Read More:

Can Samsung Galaxy S9/S9 plus measure blood pressure using optical sensors? How?

How long to charge Samsung Galaxy S9/S9+ from 0% to 100%


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