Car Battery Center
Car Battery Replacement

Battery Group Size: What the Codes Mean and How to Find Yours

Understand BCI, H and LN battery size codes, then verify your vehicle’s fitment, terminals, battery type and ratings before buying.

October 30, 2026 · 4 min read

Featured
Latest
Car Battery Replacement

Replace the Battery or Recharge It? How to Decide

A jump-start alone does not mean you need a new car battery. Compare test results, damage and charging warnings to choose a recharge, replacement or diagnosis.

Battery Installation Guides

How to Change a Car Battery Safely, Step by Step

Follow the safe cable order for a 12-volt battery swap, check fitment and venting, and find out when registration or difficult access calls for a shop.

All 88 articles, newest first →