DR. BATTERY Professional Series Replacement Notebook Battery: Dr. Battery Professional Series battery is made of quality materials, top grade battery cells to bring your laptop back to life and maintain your laptop service time. Safety First Criteria: All of Dr. Battery Professional Series batteries have short circuit, overheat, and overload protections to maintain the safety of usage. Condition: New Cell Type: Lithium-Ion Device Voltage: 14.4V Capacity: 2200mAh / 32Wh Warranty: 1 Year Compatible Models and Original Battery Part Number: A46, A46 Ultrabook Series, A46C, A46CA, A46CB, A46CM, A46E, A46SV, A46SV-WX039D, A46V, A56, A56 Ultrabook Series, A56C, A56CA, A56CB, A56CM, A56V, E46C , a31-k56, A32-K56, A41-K56, A42-K56 ** In prevent from purchasing incorrect battery, please compare with your original battery & check the Compatibility at [Specs] below.