Compu-Save Computer Program Saver Saves car computers, clocks, radios and other electronic components when car batteries have to be disconnected. Quick and easy hook-up. Uses a 12 volt power source on a 12 volt system. Will save any computer settings even if doors are opened by accident. Works with any 12 volt wet or dry cell battery such as a car, motorcycle or lantern battery. Indicator light lets you know if you have connect Compu-Save to the wrong battery terminal. Indicates if the lighter connection is good. Eliminates poor initial engine performance and lost digital settings after vehicle service.
