New genuine Battery for Asus X450 X450CA X550 X550C F550 A550 A41-X550A X450E | eBay
NinjaBatt Pro Battery for Asus A41-X550A A41-X550 R510C X550C X550L X550J R510L X550CA X552E X550V K550L F550V X550A P550C X550EA X550D R510 X550VX F550C - Premium Cells [4 Cells/2600mAh/38Wh]
Amazon.com: DTK A41-X550A Laptop Battery Replacement for ASUS X450 X550 A450 A550 F450 F550 F552 K450 K550 P450 P550 R409 R510 Series Notebook 14.4V 2200mAh : Electronics
DTK A41-X550A Laptop Battery Replacement for ASUS X450 X550 A450 A550 F450 F550 F552 K450 K550 P450 P550 R409 R510 Series Notebook 14.4V 2200mAh : Electronics - Amazon.com
Synergy Digital Laptop Battery, Compatible with Asus A450L Laptop, (Li-ion, 14.4V, 4400mAh) Ultra High Capacity, Replacement for Asus A41-X550, A41-X550A Battery - Walmart.com
Laptop Battery for ASUS A41-X550 A450 P550 F550 k550 R510 X450 X550V A450C X550C X550A
NinjaBatt Laptop Battery for Asus A41-X550A A41-X550 F550 F450 X550 R510C A550 K550 P550 X550C X550DP X450 A550L X550J R510 - High Performance [4 Cells/2200mAh/33Wh] - NinjaBatt
Asus A41-X550 A41-X550A Battery (2200mAh vs 4400mAh) | LaptopBatt