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All products from Autotestgeräte Leitenberger for automotive electrics

Code maintainer

Code maintainers (Emergency power units).

Whenever it is necessary to disconnect the vehicle´s battery, so in case of maintenance jobs and repair works, particular meqasures have to be taken to prevent the loss of electronic data and codes (drive-away lock, radio codes, door opening, adjustment of seat and mirrors, etc.). In order to save the vehicle´s electronic data, the use of code maintainers (emergency power units) is vital.

For a detailed view over LR-Code Maintainers (emergency power units), please consider the table below.


Description NSV 02 NSV 02 NSV 03 NSV 03/1
  (071201_1) (071202) (071208) (071209)
    RED LINE    
built-in current supply         X    
with auxiliary battery only           X        X
main alimentation 230V/50Hz         X      
accumulator alimentation          X    
connection via cigarette lighter         X       X       X        X
polarization/protected against         X       X       X        X
overload protection         X       X       X        X
incl. electronic protection         X       X       X        X
permissible on-board voltage        12 V     12 V     12 V      24 V
maximum output current      250 mA       2 A      2 A       2 A