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Whoopee! A new, larger, more powerful, cheaper battery.
By getting this larger 51R for my Honda Fit, I have a battery with 425 CCA vs 370 CCA of the standard battery. It also saved me $60. My car has a battery tray that lets the larger battery drop right in, but some Fits have to modify the tray or buy a new one.
The red wire runs to a fuse panel inside the car, and it's controlled by a switch so I can have 12v power when the car isn't running. The black fuse holder and black wire are for a Battery Tender smart charger.
That rusty bolt on the right is for a hydraulic hood support. I can't find one for my son's 2020, though. They don't seem to make them for the Fit anymore.
Last edited by SilverEX15; Mar 4, 2026 at 11:39 AM.