I have a 02 dodge Stratus SE and my car won't stay charged. It keeps dying I have bought 5 batteries…

I have a 02 dodge Stratus SE and my car won't stay charged. It keeps dying I have bought 5 batteries over the past 3 months. What could my problem be. I don't want to keep wasteing money on batteries. I buy them brand new. And the most they last is 2 weeks

heck go to auto zone, they load test alternators free. Odds are yours is just worn out and won't recharge the battery correctly. if not that, you have a drain, check this video https://www.youtube.com/watch?v=B__DqK90IIc
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