Helloo.everyone the powerbank Intex 400 is waste of money .it is not as like as its specification shown by intex .It is not properly charge the mobipe phone.its charging speed is also not good .i preferd you to carge ur mobile phone with ur personal charger.Also the power bank is not charged properly sometimes it stuck the charging and then mobile phone will not properly work .i preferd you to not to buy this this is just waste of money