Upgrade the power source of your Lenovo P780 with this high-capacity 4000mAh Li-Polymer battery. Designed specifically for Lenovo devices, this battery is compatible with the Lenovo P780 and P780 models. Measuring 60.12mm in length, 81.78mm in height, and 5.26mm in width, this battery is a perfect fit for your device. With a voltage of 3.8V, this DADAXiong brand battery is designed to provide long-lasting power to keep your device running smoothly. This battery is manufactured in China and is a reliable option to upgrade your Lenovo P780.