The EP-TA20UWE charger is an official Samsung product made from the highest quality materials and to the strictest standards. This is ideal as a spare or replacement for your existing charger. With the Samsung 2 Amp Wall Charger, you can be sure that your Samsung Galaxy or other micro USB compatible smartphone will always be fully charged and ready to go. The Samsung 2 Amp charger recharges your phone's battery at a much faster rate than your typical 1 Amp or 700mAh charger. This is the same mains charger as supplied with your mobile phone.