Hello friends this is Muzamil Amin sharing personal experience with you regarding Billion Power Bank 15000 mah with the help of this review on mouthshut.dear friends two months ago I bought this from flipkart and after using it I got realized it to be a cheating looting of money.it charges my phone having 4000mah battery only twice.further it gets heated up while charging and also takes too much time to full charge. Hence I am not gonna suggest it to you my mouthshut friends
DONT WASTE YOUR PRECIOUS MONEY