i have a 06 chev. colorado,bought new has 9500 mi. on ithave and am having a

problem with battery dead if not? have had problem with battery dead if not driven for a couple of days once i jump it and drive only a short distance it is good until this happens again have replaced battery once under warranty anyone have a clue or is it just not driven enough.. no lites show a problem and runs great thanks

1 everything stock or after mARKET RADIO//ALARM OR LITES...
2 GLOVE BOX LITE ON
3 ALTERNATOR GIOVING 16.7 VOLTS?

1 everything stock or after mARKET RADIO//ALARM OR LITES...
2 GLOVE BOX LITE ON
3 ALTERNATOR GIOVING 16.7 VOLTS?