MI 20000 mAh power bank are awesome. I am used this power bank after few mount. I really enjoy with this power bank . it has a good quality better u which can charge easily 2 3 mobiles.
design and quality are really really good. moreover color of blue is so so great looking . on this price u get a real really good product from MI.
All mi power banks are really good. charger speed is so so first as others power banks.
so its real very useful product .
and I say u can buy this product any doubt.