
This 9V Active Dummy Cell Battery is used to replace a real 9V battery in smoke detectors and other electronic devices that use a single 9V battery. It has an 8" long thin flat flexible cable (FFC) with a 5.5mm x 2.1mm barrel socket at the end and works with the barrel plugs on all of our Battery Eliminator Kits and Accessories (Power Splitter Cables, Power Extension Cables, AC to DC Wall Power Adapters). Please read the detailed discussion and diagram for the components that make up a complete Battery Eliminator Kit/System.
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