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 .
Goodqualityvalue for money I purchased 499/- only 3 chargeable Port my phone battery 4000 MAH 2.5 times charge a phone chargeable speed is normal but charge at any time i used this power bank last three month