Battery for ASUS K73E K73J K73S K73SV K73TK K73E-ty303d K73E-ty303v K73E-ty324v - Walmart.com
Battery for ASUS K73SV-ty376v K73TA K73TA-ty040v K73TK-ty049v K73TK-ty052v N71J | eBay
Synergy Digital Laptop Battery, Compatible with Asus K73SV Laptop, (Li-ion, 11.1V, 6600mAh) Ultra High Capacity, Replacement for Asus 70-NX01B1000Z, 70-NXH1B1000Z, 70-NZY1B1000Z Battery - Walmart.com