It's best not to use batteries in power banks, as they have a short lifespan. Typically, power banks are powered by lithiumbatteries with the digital index 18650. They come in different types, but people recommend taking PanasonicNCR18650B 3400mAh, PANASONIC Eneloop PRO 2500mAh. It's impossible to say for sure whether this is worth it. You'll have to purchase one and test it on your device.
The main thing to remember is that there are currently no 18650 batteries capacityMore than 3400 mAh. If you see such offers anywhere, it's usually a scam. Similar batteries can be found in laptop batteries. They have the best characteristics. You can find more information about this power cell here. read in this article.
Lithium power sources do not tolerate well:
- Strong discharge.
- They fail if charged incorrectly or uncontrolled.
In this regard, we need to think about charge controllerand, if you need to find a board that increases voltage to 5 volts.
So, using power bank batteries, you can easily assemble your own battery yourself. It'll be a bit cheaper, of course, and you'll protect yourself from counterfeiting. Currently, a regular power bank can contain low-quality batteries. This way, you're insuring yourself against that.
