Asus K53SV Battery Replacement - iFixit Repair Guide
Fancy Buying 7800mAh 9-Cell New Laptop Battery Replacement for Asus K53 K53E X54C X53S X53 K53S X53E A32-K53 A41-K53 : Electronics - Amazon.com
Qoltec Battery for Asus K53S | X53S | 6600mAh | 10.8-11.1V (52542) - Batteries - Qoltec
LIEAGLE 10.8V 6cell New Laptop Battery for Asus K53, K53B,K53F, K53J, K53S, K53SD, K53SJ, K53SV, K53T and ASUS Battery A32-K53, A42-K53, A43EI241SV-SL - Walmart.com