For all chargers the difference of 2 volts compared to your last charger in the output voltage is negligible. The compatibility with your old Adapter laptop compaq presario r3000z dp740av is therefore ensured.
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All reference to other brands or models for Adapter laptop compaq presario r3000z dp740av, pictures are performed to identify the items with which our products are compatible and adaptable.
316688-002 - 317188-001 - 325112-001 - 344895-001 - ADP-75FB - ADP-90HD - F1814A - F4600A - F4813-6090 - F4813-60901 - F4813A - HP-OW121F13 - PPP017H