Battpit&trade; Laptop/Notebook Battery Replacement for Lenovo IdeaPad Yoga 11S-20246 (2840mAh/42Wh) Type: 14.8 Volt Li-Polymer Laptop Battery Capacity: 2840mAh / 42Wh Condition: New 30-Day Money Back Guarantee. 1 Year Warranty This is a genuine Battpit&trade; product comes with 1 year warranty. Beware of imitation (Battpit&trade; bears no responsibility on the imitation product purchased.)!