CWK New Replacement Laptop Notebook Battery for Asus A32-K53 A42-K53 K43JC X43 K43JS K43JY K43S K43SC K43SD K53 ASUS K54 K54C K54H K54HR K54C K54H K54HR Series ASUS X43TA X43U X44 X44C X44H X44HR Condition: Brand New - Grade A cells Battery Type: Li-ion Voltage: 10.8 Volt (11.1 Volt compatible) Capacity: 5200mAh (Better than 4400mAh) 90 Day Money Back. Buy with confidence!