The BTI notebook battery is designed to provide reliable power for your device, ensuring optimal performance whenever needed. With lithium-ion technology, this battery offers an efficient energy solution, delivering a voltage of 11.52 V. It features a 3-cell configuration with a capacity of 4950 mAh, equating to 57 Wh, which promotes extended usage and downtime reduction. As an OEM manufacturer battery equivalent to Lenovo 02DL011, this product assures compatibility while meeting the energy demands of various notebook applications.