I don't think batteries are normally under the warranty. Your individual TMo store may treat you different.
1. Blinking red does not indicate a dead battery until it hits below 15%, otherwise it indicates a received message or alert. Blinking yellow or amber does indicate a low battery status.
2. You might want to read this link... some info you could use. Battery Use Tips for your Maximum Battery Life | BlackBerryNews.com
Originally Posted by jmdsurf45
searched and read my post concerning battery problems but couldn't find an answer to my *%&^&$ problem