Introducing the Mac External Battery by Keliyuan Electronics Co., Ltd., a reliable and trusted manufacturer, supplier, and factory based in China. This high-quality external battery is designed specifically for Mac devices, providing a convenient and portable solution to keep your devices charged and ready to go. With a sleek and compact design, this Mac External Battery is easy to carry around and can provide up to 10 hours of extra battery life for your Macbook, iPad, or iPhone. It features a smart charging system that automatically detects and adjusts the output power to match your device's needs, ensuring a safe and efficient charging process. Made from premium materials, this external battery is durable and built to last. It also comes equipped with multiple protection mechanisms, including overcharge, overcurrent, and short-circuit protection, to safeguard your devices from potential damage. Don't let a dead battery slow you down. Upgrade to the Mac External Battery by Keliyuan Electronics Co., Ltd., and enjoy the convenience and peace of mind of always having a reliable power source on hand.