Car Battery died while driving?

Yesterday I had to jump my car ('94 Honda Passport), which I found weird because I hadn't left any lights on or anything. I had about a 20-24 minute drive home, and when I got into my neighborhood, the battery gave out and everything stopped working. The car wouldn't even try to turn over. I'm worried to jump it again, because I'm afraid it will die on me while driving, again. What gives?

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