Lol, i am still using my old trusty Aukey PB-T10 20000mAh powerbank which i bought in the year 2016. Only drawback now is that it only use micro-usb cable to recharge it.

I don't use it like everyday lo.. Only like the earlyt 2-3 years i used it daily to charge my phone overnight.. With advancement of phone/androidOS the need to overnight charging has become less so i switch to daily morning fast charging of my phones..
Hence my powerbank now is being used like only 4-5 times a month. So yeah, it can last with good care..