Apple wall charger to powerbanj

Hello,

I have my macbook pro 2017 61W wall charger and since i bought the Anker 26800 mAh powerbank without wall charger i use the macbook’s charger and bought USB-C to micro USB to charge my powerbank. Now, my powerbank is blinking only but it didn’t get full charge even if i plug it 24 hours. I also try using another another wall charger but it gives me the same. I think the 61W macbook pro i used gives me this problem. What can i do?

I would contact Anker support. There contact information can be found here: https://www.anker.com/contact

Which 26800 version exactly? There are 6 versions of 26800. Read off the product code.

You say C to B cable, implies one of the B input 26800. If it’s the dual-input 26800 then that needs two 10W input and likely your MBP charge is negotiating down to one 5W input.