Yuck!

I have noticed one was overcharged before, but still useable. This morning, another one just gone wild. I don't know it's the battery or the charger or both. Well, at least they are cheap.

Not even three months...
I have noticed one was overcharged before, but still useable. This morning, another one just gone wild. I don't know it's the battery or the charger or both. Well, at least they are cheap.
Not even three months...