my battery is weak whats could be causing this? on 2009 Honda Fit

left the car on start mode but not idling maybe 5 mins 10 mins tops and i had to get a jump

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4 answers
'IF' orignial battery, replace it! Lucky it lasted this long. So what up? 3-29-13
ck charging system and load test battery
IF it's the original battery , then as wetry said , replace it. Honda OEM batteries suck when it comes to leaving the key on without running for more than 5 minutes.
check you alternator