This wall charger is designed to charge the Samsung i9300 Galaxy S iii battery only not in the phone. It is the best solution for charging your cell phone battery. USB port allows charging of any device that can normally be charged by a USB cable e.g. Mobile Phones, Cameras, PDAs etc.

• Charge your samsung i9300 i9500 battery, not in the phone
• LED light indicator for charging status
• Never overcharge: Stop charging once battery is full automatically and keep the performance and life of battery
• More convenience to interchange your standby battery
• Portable, lightweight and easy to carry
• USB Port Output allows you to charge phone directly or provide power to other electronic devices with USB cable (Not Included) 
• US, EU, UK and AU plug for your choice (We will ship it according the type your country use)

Specifications:

• Input voltage: AC100V ~ 240V 50/60Hz 0.15A
• Output voltage: DC4.2V 350mA~±50mA
• USB DC5.2V 800mA

Compatible with:

• Samsung i9300 Galaxy S iii
• Samsung Galaxy S 4 IV i9500

Package included:

• 1 x Samsung i9500 Galaxy S 4 / i9300 Galaxy S iii Battery Charger with USB Port