The A1820 Original 6667mAh Battery Replacement for MacBook Pro Laptop Computer A1707 is a high-quality lithium-ion battery designed specifically for Apple MacBook Pro models. With a capacity of 6667mAh/76Wh and a voltage of 11.4V, this battery provides long-lasting power for your laptop while ensuring compatibility with your specific model. It comes with a manufacturer warranty of 5 years and is easy to install, making it a reliable choice for keeping your MacBook Pro powered up for extended periods of time. Black in color, this battery is a practical and efficient replacement option for your MacBook Pro.