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: 10.8V Capacity: 4400mAh / 48Wh Warranty: 1 Year This battery is not compatible with the following models: Pavilion dv4-(1000 to 4999), Pavilion dv6-(1000 to 6999), Pavilion dv7-(1000 to 6999) ** In prevent from purchasing incorrect battery, please compare with your original battery & check the Compatibility at [Specs] below.