The Anepoch Laptop Battery is specifically designed for Lenovo ThinkPad X1 Carbon Gen 7 and X1 Yoga Gen 4 models. With a battery capacity of 5100 mAh and 4 Li-Ion battery cells, this unit provides long-lasting power for your laptop. The sleek black color and compact design make it a practical and stylish accessory for your Lenovo device. Compatible with Lenovo ThinkPad products, this battery ensures reliable performance and extended usage for your on-the-go computing needs.