First of all its not a 10k mAH powerbank,exactly 6000 maH . After usage of 4 months,batteries drains n dead completely . n Stop working,Not a long lasting,this desi brand is upto this.The more u use, batteries storage n life becomes less lesss n dead. Max 6mnths life if u use daily .
Most of the not so good powerbnks are coming in same design . And obviously the inside tech is also the same . Not good. It discharges to 8-10% from 100 after full charging my 3000mah phone. Which is absolutely not good . Better go for MI or new launch morui . They are far better
It charged my 4100 mah battery for hardly 2 times.charging speed is also not good,its a bit heavy too,but going by the price ,it's ok,cant expect much from it.but yeah,its certainly not 10000 mah power bank.