Cheap And Discounts 7.6V 38Wh C21N1634 Laptop Battery for ASUS Vivobook R542UR A542U A580UR FL8000U FL5900L X580U X580B Wholesale. Buy Directly From Merchant FLYORZO Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.