Bluetooth speakers: use as a powerbank

To make Bluetooth speakers mobile, most devices have a built-in battery. Some models allow you to use the built-in battery as a power bank, for example, to charge smartphones or tablets. Get an overview of the pros and cons of Bluetooth speakers with powerbank function.

Powerbank in Bluetooth speaker

A powerbank is often a combination of many smaller batteries connected to one large battery.

• The great advantage of a Bluetooth speaker with powerbank function is that you can conveniently charge your tablet or cell phone when you are on the go.
• Often, however, it is so that the integrated battery simultaneously runs the speakers and serves as a powerbank. So, for example, charge the battery of your smartphone through the speaker, it affects the total runtime.

To charge smartphones or tablets using the powerbank function, you must use the designated USB port on the speaker. Note that not every Bluetooth speaker that has a USB port can be used as a power bank. You can usually find out whether your device has such a function and how to use it in the manual.

More battery capacity thanks to separate powerbank

If you are on the road a lot, it definitely makes sense to buy an additional powerbank. You can get inexpensive models with 20,000 mAh for as little as 20 euros online or in electronics stores. Bluetooth speakers with powerbank function, such as the JBL Charge 4, only have 7,500 mAh battery capacity compared to a separate powerbank.