【Specifications】Battery type:Li-ion; Voltage:7.68V; Capacity: 60Wh 7820mAh . Up to 500 recharge cycles over the life of the battery. 【Replace Part Number】L17C4PH1 L17M4PH1 L17M4PH2 5B10Q82425 5B10Q82426 5B10Q82427 【Compatible Laptop Models】Lenovo Yoga 7 Pro Series, Lenovo Yoga 7 Pro-13IKB Series, Lenovo Yoga C930 Series, Lenovo Yoga C930-13IKB C930-131KB Series, Lenovo Yoga C930-13IKB Glass Series. 【Quality Assurance】100% new from manufacturer, every battery has passed factory testing, grade A cells ensure fast charges and low power consumption, built-in circuit protection ensures both safety and stability. CE / FCC / RoHS Certified for safety. 【Warranty】30 Days Money Back And 12 Months Exchange Guarantee. if you have any issues, questions or concerns.CONTACT US.We are friendly Customer Support Experts. Please contact through "Your Orders" tab in Amazon account ,we promise to resolve the problem within 24 hours.