Call 1-800-345-8207 or visit our web site for our complete product listing www.GeneralAirProducts.com Batteries Not Included? While we are happy to supply batteries with your unit upon request, it will be much less expensive for you to buy them locally. When ordering, our sales staff will help you size the correct battery and assist you in finding a local vendor. Battery Back-Up Unit for use with General’s Quality & Service Since 1936 General Air Products’ Battery Back-up units are specifically designed to provide power to the RFP System in the event of a loss of power - ensuring that the fire protection system in your home is fully functional at all times. General’s Battery Back-up provides the maximum amount of system reliability making it the perfect solution for remote locations where reliable power supply is a problem. - Built-in charger and auto-switchover guarantees your fire protection system will be ready during a power failure event. - Industrial duty stand aids in the protection of the trickle charger and batteries - Pre-formed cables come standard to minimize field installation. - Standard units in 230v but other voltages are available (consult factory). Model Number Amp Draw Voltage Phase APS17A-230A 17 230 Single APS25A-115A 25 115 Single