BattPit: Laptop Battery Replacement for Asus A31-X401, A32-X401, A41-X401, A42-X401 (10.8V 4400mAh 48Wh) - Walmart.com
Synergy Digital Laptop Battery, Compatible with Asus A41-X550A Laptop, (Li-ion, 14.4V, 4400mAh) Ultra High Capacity, Replacement for Asus A41-X550, A41-X550A Battery - Walmart.com