The VdS-certified 12 V batteries can be used anywhere that devices need to be powered immediately after a power failure. Due to their long lifespan and high reliability, they are particularly suitable for use in alarm systems. These batteries require no maintenance throughout their entire lifespan. Their specially compact design makes the batteries completely leak-proof. A special calcium alloy of the highest purity ensures a long service life. Depending on the average depth of discharge, the batteries can be charged up to 1000 times. All batteries are VdS-certified and vary in size, weight, and capacity.