Xtend Brand Replacement For Asus A41N1421 Battery for P2520LA and P2520LJ - Newegg.com
Asus ASUSPRO Essential P2520LA-XO0167H Notebook Review - NotebookCheck.net Reviews
High Quality Asus P2520LA-XO0385T Replacement Battery | Laptop Battery Direct
Green Cell Battery A41N1421 for Asus AsusPRO P2420 P2420L P2420LA P2420LJ P2440U P2440UQ P2520 P2520L P2520LA
Synergy Digital Laptop Battery, Compatible with Asus P2520LA-XB31 Laptop, (Li-ion, 10.8V, 4800mAh) Ultra High Capacity, Replacement for Asus 0B110-00280000, 0B110-00280100, 0B110-00280200 Battery - Walmart.com