I dunno, I didn't installed it. I just went to Kragen and was like "Gimme the biggest, baddest mothafucker on the shelf". Then I took it to the audio place to install it (took like 2-3 days), and I asked the guy over there how long the battery would last and he said I should recharge it/buy a new one right then. What I don't get is what could've made it fuck up so quick.
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