Hello. With the help of some threads from this forum I started to change the accus of the alarm siren. Everything was simple but then the big surprise: The new accu has 3 pins (see photo) but the installed ones have 4. Type of both is Varta 3/V150H. If you have experience with changing: How many pins do your accus have? If 4 -> where to buy? Orderno.? Best Regards Gerhard Image Unavailable, Please Login
