SpecificationsModel: 45N1750. Type: Li-ion. Voltage: 7.4V. Capacity: 34W 4600mAh 4-Cell. Up to 1000 recharge cycles over the life of the battery. Brand New Grade A cell battery, all Vanpir batteries are certified by UL / CE / FCC / RoHS for safety Compatible Laptop ModelsFit for Lenovo ThinkPad Yoga 11E Chromebook Series. For Lenovo ThinkPad Yoga 11E 20D9000Q, 20D9000QUS, 20D9000R, 20D9000RUS, 20D9000UUS, 20D9000VUS, 20D9000WUS, 20D9000XUS, 20D90018US, 20D90019, 20D90019US, 20D9001AUS, 20D9001F, 20D9001FUS, 20D9001GUS, 20D9001JUS, 20D90025US, 20D90026US, 20D90027US, 20D90028, 20D90028US, 20D90029US, 20D9002A, 20DA001C, 20DA001FUS, 20DA001GUS, 20DA001HUS, 20DA001JUS, 20DA001KUS, 20DA001LUS, 20DA0021US Series Replace Part Number45N1750, 45N1748, 45N1749, 45N1751 Matters Need AttentionBefore purchasing, pl open your laptop case, check and confirm your original battery model and appearance, compared with our battery image, make sure that's what you need. Especially the