Make sure you’ve got all the power you need on the move. A genuine Samsung Galaxy S4 extra battery kit is specially designed for your handset, so you can be sure it won’t let you down. The charging case supplied can be used to store and protect your new battery, as well as recharging it. You can check the charging status using the useful indicator. And, thanks to its compact and ultraportable design, you can easily carry your extra battery kit with you wherever you go.