This measures the battery's ability to start the engine in freezing temperatures. Never buy a battery with a lower CCA than your car's original spec.
High CCA is your priority to combat thickened engine oil.
Ensure the positive and negative posts are on the correct sides to reach your cables. 3. Match the Power Requirements Look for two specific ratings: how to know which car battery to buy
More expensive but lasts longer. Ideal for cars with "start-stop" technology or heavy electronic use.
A battery that is too small will vibrate; one too large won't fit the tray. This measures the battery's ability to start the
Heat is actually the #1 killer of batteries. Look for "South" or high-heat rated models if you live in a desert or tropical area. 7. Warranty Matters
The most reliable source is your vehicle's manual. It lists the exact specifications required by the manufacturer. If you don't have the manual, look for a sticker on your current battery. 2. Identify the Battery Size Ensure the positive and negative posts are on
Rare in standard cars; usually for high-performance or specific hybrids. 5. Check the Manufacture Date Batteries lose potency sitting on a shelf. Look for a date code (usually a sticker or engraving). A code like "4/26" or "D6" usually means April 2026. ⚡ Tip: Try to buy a battery less than 6 months old. 6. Consider Your Climate