ZWXJ Laptop Battery L12M4P21 L13S4P21 (7.4V 54Wh) for Lenovo IdeaPad Yoga 2 Pro 13 Series 121500225 2ICP5/57/128-2 New from Manufacturer. Rechargeable Up to 500 times over life of battery. Battery type : Li-Polymer Battery, Voltage : 7.4V, Capacity : 54Wh CE-/RoHS-/FCC- Certified and Built-in circuit protection ensure both safety and stability. Fit for : Lenovo IdeaPad Yoga 2 Pro 13 Series 100% CUSTOMER SATISFACTION GUARANTEE: We believe in Quality and Customer Service, and our top priority is to make you happy. If for whatever reason you are not fully satisfied please CONTACT US and well guarantee to help. We have 12 months warranty on our products. Voltage7.4V Capacity7400mAh 54Wh Colour: Black Battery type : Li-polymer Battery