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 sony pcg grt77e/p is therefore ensured.
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All reference to other brands or models for Adapter laptop sony pcg grt77e/p, pictures are performed to identify the items with which our products are compatible and adaptable.
PCGA-AC19V9 - AC19V9 - DY-AS19160-E - PA30920-1A1C - SEB10092-15 - AC19V54