The BRTONG A1713 Battery is a high-quality Li-Polymer battery designed for Apple MacBook Pro models A1713, A1708, and A2171. With a capacity of 4781 mAh and a voltage of 11.40V, this battery provides long-lasting power for your laptop while ensuring compatibility and reliability. The sleek black design and compact size make it a convenient and essential accessory for MacBook Pro users on the go. Additionally, the manufacturer offers a 25-month warranty, giving you peace of mind and confidence in the quality of the product.