This can replace the following Part Numbers:

BT.A0101.001, BTP-550, HBT.0186.001, HBT.186.002, BAT30N3L,

This is also compatible with the following models:

ACER
TravelMate 270XV Series, TravelMate 272 Series, TravelMate 272LC Series, TravelMate 272X Series, TravelMate 272XV series, TravelMate 272XVi Series, TravelMate 273 Series, TravelMate 273X Series, TravelMate 273XV Series, TravelMate 275 Series, TravelMate 275LC series, TravelMate 550 series, Aspire 1200 Series, TravelMate 270 Series, TravelMate A550 Series,
COMPAL
N-30N3,
FUJITSU
AMILO A series,
WINBOOK
WinBook N3 series,