Yafda 00HW044 00HW043 New Laptop Battery for Lenovo ThinkPad Yoga 11e Serie 20G8-S03400 SB10J78992 11.25V 42Wh Battery type: Li-ion ; Voltage : 11.25V ; Capacity : 42Wh Part number : 00HW043 00HW044 SB10J78991. Compatible Models: for Lenovo ThinkPad Yoga 11e 20G8-S03400 Serie. Grade A cells mitigate the risk of battery leakage and maximize output stability. Built-in circuit protection, enhances safety of usage and extends battery life. 100% New from Manufacturer. Warranty: 30 Days Money Back Guarantee / 12-month worry free warranty for our product Please contact us with any questions or concerns - we are here to help! Products trademarked Yafda. We focus on providing quality power products and excellent customer service.