Ensure your alarm system is functioning properly before you head away these Christmas holidays and have the battery replaced if you haven't done so for the past 3 years. A suitable replacement alarm back up battery for your NX4 and NX8 Hills Reliance alarm system. Buy the battery online for a fraction of retail cost and replace it yourself or call on a professional.

  Purchase this  12V 7.0Ah rechargeable sealed lead acid battery for a fraction of the retail cost.  Primarily used as a replacement alarm battery, this Ness Security alarm battery is also ideal for a range of other applications such as communication equipment, security systems, uninterrupted power supplies and lighting systems.  Simply replace it yourself or call upon a professional to get the job done