Esky charger noise

Hi all,

After just receiving my HBFP I decided I had better charge the batteries (I purchased 2 extra aswell), odd thing is I am using 2 chargers to charge 2 batteries at a time but 1 of them sounds a bit like an old modem!

Do they normally make a noise? Or should I be thinking it's either a duff battery of charger? The noise seems to go in bursts, they both make the sound but 1 is a lot louder than the other.
I am aiming at purchasing a balance charger (when the misses gets over the fact I have blown the cats savings on 2 helis!) but until then I am sort of stuck with these.

Hope somebody has heard this before and it's nothing to worry about.

Thanks,

Pitt

Yeah, my chargers does the same thing

Thnks guys

Boy I sure am glad I read this before I charged my first battery, I probably would have had a freak out + melt down + total loss of self.

Good to know!