Last Updated: May 16, 2014
Answers to some of your questions about your Samsung Galaxy S II battery
Your battery has a maximum talk time of up to 8.7 hours continuous use.
How fast your battery runs down depends on what you do on your Samsung Galaxy S II. Features like Bluetooth®, GPS, games and web browsing put more strain on the battery than simple features like voice calls and text messages.
You can lower screen timeout and brightness, turn off idle radios and apps, use Wi-Fi whenever available, and limit your email updates and application notifications.