Lenmar Lithium-Ion Battery for Select Asus Laptops LBZ481AS - Best Buy
HSW Black A31 K53 A32 K53 A41 K53 A42 K53 Laptop Battery For Asus X84 X54 X53 X44 9cell|Laptop Batteries| - AliExpress
Original Asus X53E Battery Pack A32-K53 0B20-00TE0AS - Notebookparts.com
Synergy Digital Laptop Battery, Compatible with Asus X53E-RH52 Laptop, (Li-ion, 11.1V, 4400mAh) Ultra High Capacity, Replacement for Asus 07G016H31875M, 0B20-00X50AS, A31-K53, A32-K53 Battery - Walmart.com
Laptop Battery Pack A32-k53 A41-k53 For Asus K53 K53e X54c X53s X53 K53s X53e - Laptop Batteries - AliExpress