... .BTP01.029 Replacement for ACER Aspire 3820, 4553, 4625, 4745, 4820, 5553, 5625, 5745, 5820, 7745, AS3820, AS5745, AS5820, AS7745 Series ... , ACER Aspire TimelineX 3820, TimelineX 4820, TimelineX 5820, TimelineX AS3820, TimelineX AS4820, TimelineX AS5820 Series Laptop ...