Replaced my factory battery yesterday. Nothing special, just went to Autozone since they offered the best warranty. I decided it was time after my car wouldn't turn over the night before - it wasn't cold yet and I had stepped in to Home Depot for all of 5 minutes, when I came out it acted normal until I turned the key and all I got was weird dash flashes and clicking noises. Upon installing the new battery (rated 50 more CCA than the stock battery) it started right up.
I had noticed that, especially on cold mornings, it was being sluggish to start. Sometimes it barely turned over. Now there is zero hesitation and the headlights even look brighter. Makes me wonder how worn out - or underpowered - the stock battery was.
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