OBD Style Memory Saver AC/9v for Vehicle Battery Replacement/Disconnect

Description

OBD ll Connector AC Adapter/9 Volt Battery Auto Memory Keeper/Saver
Much more reliable than with similar 12v Cigarette outlet models
Retains radio presets, ECM codes and learned procedures indefinitely with AC adapter or up to 2 hours with 9v battery
Safe voltage blocking diode installed for safe AC adapter/9 volt battery use
For maintaining voltage continuity to engine computer, clock and radio memory when vehicle battery is disconnected
Instructions are included for perfect results-------Uses AC adapter(included) or  9 volt battery (Not Included)
For maintaining voltage continuity to engine computer, clock and radio memory when vehicle battery is disconnected
Includes instructions for perfect results
Works on all vehicles with an OBD ll port(1996 or newer)
Better results than 12v cigaretter outlet models due to standardize OBD ll wiring(not all 12v cigarette outlets are wired up the same, some require key on for example)
Has voltage blocking diode installed for safe use, prevents vehicle 12 volts damaging the AC Adapter/9 volt battery. Power can only flow out of the memory saver not in.
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