The OEM Battery L12M4E01 is a high-quality replacement battery designed specifically for Lenovo laptops, including models such as Z710, S410p, S510p, G405s, G410s, G505s, Z40, Z50, and Z70. With a battery capacity of 2800 mAh and a voltage of 14.8 V, this Li-Ion battery provides long-lasting power for your laptop. Manufactured by Lenovo, this battery comes with a 1-year warranty and is compatible with various Lenovo Ideapad models. Made in China, this black battery is a reliable choice for keeping your laptop powered up and ready for use.