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Porsche® Charger & Monitoring Device, Charge-O-Mat II, 1948-2014

Porsche®  Charger & Monitoring Device, Charge-O-Mat II, 1948-2014

Part #:
Replacement for OE #: 955.044.900.54

Was: $529.99 ea.

Now: $165.99 ea.

  (No Discount / Limited Discount)
  Alt Part #:
1948 thru 2014
See applications below for exact details.

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  • Genuine OE Part
  • Genuine Porsche® Part


The Charge-O-Mat is a primary switch mode battery charger with impulse maintenance for your Porsche®.

A three step fully automatic charger. At the beginning of the charging process the charger delivers an almost constant current to the battery voltage increases to the set level of 14.4 volts. At this point the charger switches to constant voltage, and the current supply to the battery  is gradually reduced. If the battery is charged and the terminal voltage of the battery falls 12.9 volts, the charger automatically starts the process again.

The Charge-O-Mat is maintenance-free.

P915134 Adapter required for vehicles without cigarette lighter