Getting the right battery for your car is important. It needs to have enough power to start your engine on a cold morning, and that depends on how big your engine in. Batteries are usually rated by their cranking amps (CA), cold cranking amps (CCA), and reserve capacity (RC), but along with those there’s also the size and design that need to be right.

Two batteries may have the same or similar ratings but could be a different size or have the positive and negative terminals on opposite sides. On this particular car, an Accord, I know that some models have a bigger battery than others, and when it came in, the battery tested bad, and it was the smaller size, and the owner had stuffed some cardboard in to fill the extra space.

When we replaced it, we put in the proper larger battery.

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-Dan