This refurbished notebook battery is specially designed for Lenovo ThinkPad X220, X220i and X220s series. With a capacity of 4400mAh and a voltage of 11.1V, this battery provides a reliable and long-lasting power supply for your laptop. This battery is perfect for those looking for a cost-effective solution without sacrificing quality. Refurbished batteries are batteries that have been reconditioned and restored to their original condition, making them an environmentally friendly option. By choosing a refurbished battery, you contribute to reducing electronic waste and extending the lifespan of electronic devices. This refurbished notebook battery has been thoroughly tested and audited to ensure it meets Lenovo's high quality standards. This means you can use this battery with peace of mind, knowing that it is reliable and safe. Installing this battery is easy and requires no technical knowledge. Simply follow the included instructions and you'll be ready to enjoy longer battery life for your Lenovo ThinkPad X220, X220i or X220s laptop in minutes. In short, this refurbished notebook battery is the ideal choice for those looking for an affordable and sustainable solution for replacing the battery of their Lenovo laptop. With its high quality and reliable performance, this battery will not disappoint you.