It really wants 5V3A. I believe it will take less than that, but if you are using it at the same time it might still drain the battery. It uses 1.7W while in s2

It really wants 5V3A. I believe it will take less than that, but if you are using it at the same time it might still drain the battery. It uses 1.7W while in s2idle in my (rough) testing. I power off every night. This might work for you: https://www.amazon.com/Charmast-26800mAh-Portable-Li-Polymer-Compatible/dp/B07P5ZP943/ https://www.amazon.com/Charmast-26800mAh-Portable-Li-Polymer...