Answers to some of your questions about your Samsung Galaxy S III 4G LTE battery
What is the maximum talk time?
Your battery has a maximum talk time of up to 9 hours continuous use.
Why is my Samsung Galaxy S® III 4G LTE battery life inconsistent?
How fast your battery runs down depends on what you do on your Samsung Galaxy S III 4G LTE. Features like Bluetooth®, GPS, games, watching YouTube or videos that you have transferred to your microSD card or device, and web browsing put more strain on the battery than simple features like voice calls and text messages.
How can I conserve my Samsung Galaxy S III 4G LTE battery life?
You can lower screen timeout and brightness, turn off idle radios and apps, use Wi-Fi whenever available, turn off automatic application updates, connect your power cord when watching YouTube or videos, and limit your email updates and application notifications.