Battery charges very fast. up to 60% in 30 mins. for this price am highly suprised to have gotten this in the box.mine came with global rom too.even I am not heavy user I have charged battery till 97% on 8th November at 6PM and I user it for internet and some online videos and 4-5 calls for the day and today at 5PM( 10th November) it is 25%