Why is my AA battery making a sizzling noise?
Robert Miller
Updated on April 23, 2026
It's normal for hydrogen gas to be produced. The batteries are not sealed, to allow this gas to vent. But misuse of the battery, or if it goes bad, excessive amounts of hydrogen gas is created. This, along with liquid corrosion byproducts, can cause gas bubbles, which you can hear.
What does a battery exploding sound like?
Explosions heard around the worldAnd on internet message boards, consumers worldwide describe the same "loud pop," "bang," "hiss," or "sizzling noise" that comes with an exploded alkaline battery. Whether they are 9-volt, AA, AAA, C or D size batteries, all are capable of exploding.
What does it mean when a battery crackles?
A motorcycle battery that crackles when chargingIt is the arrival of the current which will react again the chemical elements which are inside your battery which will create this noise. Most of the time he's not that strong and you shouldn't be worried.