What’s the inside of a car battery look like? Thankfully we had one break apart so we get to see what secrets it holds! This is an AGM battery. There are many types of lead-acid batteries but the chemistry is the same: it’s just metal and acid beefing. Each one has lead plates sitting in sulfuric acid. The acid pulls electrons off one plate and sends them rushing through your car’s wires, which is what powers the starter and electronics. As the battery discharges, the plates slowly get coated wi