What Causes A Car Battery To Bulge. Why do car batteries swell and bulge. Swelling Bloated Battery Case A swelling battery is very dangerous.

The main reason that batteries swell is from over charging. If an alternator has a faulty voltage regulator it will overcharge the battery and build up hydrogen gas faster than the battery can dissipate. In my opinion then the car battery bulging can be for a couple of reasons.
Why do car batteries swell and bulge.
Such oxidation occurs usually due to overcharging of the battery due to a faulty battery or faulty charging electronics in the phone or batt. Read more elaboration about it is given here. This is caused by overcharging or by a short circuit inside the battery. The main reason that batteries swell is from over charging.

