2 x Replacement Siren Batteries for Eve Fanso P/N: 103-304742

This pair of batteries are perfect replacements for Eve and Fanso P/N: 103-304742 batteries that are used in Visionic wireless outdoor siren or bell box batteries. These lithium 3.6V 3.5Ah are fitted in pairs. Every few years these non-rechargeable batteries simply come to the end of their natural life and therefore need replacing. The 3.6V Lithium 103-304742 alarm battery packs come with the four wires and the correct connector plug to it first time every time.