Sony CP-V10A BLACK 10000mAh Power Bank comes with a 10000mAH Lithium-Polymer battery which is rechargeable. This device retains more than 90 percent of its capacity at 1000 charges. This portable charger is meant for charging ebooks, tablets, smartphones, cameras and various other electronic devices. Whenever there is a case of emergency and your battery runs out, this portable power bank proves to be a saviour. This Sony Power Bank is compatible with not only Samsung but other brand devices as well. It can charge Samsung Xperia™, Cyber-shot™, Handycam® and Walkman® with efficiency. This device also comes with a micro USB cable that can connect to almost all the devices for easy charging.