ANTIEE Compatible L13M6P71 Laptop Battery Replacement for Lenovo IdeaPad Yoga 2 13 inch Series 11.1V 50Wh L13S6P71 121500234 121500229 ANTIEE Promise: Each product has undergone rigorous testing to ensure the circuit protection, stable current, low self-discharge and guaranteed battery life. Specification: Voltage: 11.1V. Capacity: 50Wh/4520mAh. Battery Type: li-polymer. Condition: Brand New. More than 500 recharge cycles over the life. Compatibility: Fit for Lenovo IdeaPad Yoga 2 13 inch Series. Compatible Part Number: L13M6P71, L13S6P71, 121500234, 121500229. Expected Run Time: 2.5-5 hours. It depends on the device type, electricity and the way it is used. Grade A cells ensure fast charges, low power consumption. Guarantee Return Policy: Repair or replace during the first year. If for whatever reason you are not fully satisfied, please feel free to contact us directly.