This is the same genuine Li-Polymer battery that come with your BlackBerry in box pack. Ideal as a replacement or spare for the original or as a second battery for your BlackBerry handset, it is perfect for those who use their phone extensively whilst out and abou or who looking to keep an spare. Lets you keep talking and makes sure you don't miss important phone calls. Simply swap with your original battery when you run low on power. This battery has a capacity of 1000mAh.