Amazon.com: Dentsing C21N1408 7.6V 37W/4775mAh Laptop Battery Compatible with ASUS VivoBook 4000 MX555 V555U X555UQ X555UA V555L V555LB K555U X555LN Series Notebook : Electronics
Notebook Battery ASUS C21-X202, 38 Wh, Original | eBay
Synergy Digital Laptop Battery, Compatible with Asus X5G Laptop, (Li-ion, 14.8V, 6600mAh) Ultra High Capacity, Replacement for Asus A31-UL30, A31-UL50, A31-UL80, A32-UL30, A32-UL50 Battery - Walmart.com
Notebook Battery ASUS C21N1714, 5065mAh, Original | eBay