K53SK K53SM K53SV X54 X54C X54H. K53T K53TA K53TK X54HR X54HY X54L. K53BY K53E K53S X53TK X53U X53X. A43 A43BR A43BY P43SJ P53 P53E. K53 K53B K53BR X53BY X53T X53TA. K53U K53Z K54 X54LY X54X X54XB. Battery Type : Li-ion.
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