Instruct: Classify Amazon reviews into positive or negative sentiment
Query: VERY BAD BATTERY LIFE

I have been using the phone for a month now. Its all good, I have no problem with the functions or voice quality. The only and very important thing missing is good battery life. It gets discharged within 8 hrs (idle time). If you use it, it will get discharged in 15 to 20 mins talk time. Its terrible.