Lenovo OEM Parts Item Model: L16L4PB1; Battery Type: Li-ion; Voltage:7.72V; Capacity: 48Wh/6217mAh; Battery Color: Black.(Note: Only fit for YOGA 720 13" laptop and YOGA 730 13" laptop, NOT fit for YOGA 720-12", 720-15", 730-15", 720S S730 laptop.) Customer ServiceRest assured with 30 days Refund and 12 months Warranty; Note: return windows will close after one month, dont worry about it, you can click on seller store on right corner ask a question and contact seller directly. Compatible Battery P/N L16L4PB1 L16C4PB1 L16M4PB1 5B10M52739 5B10M52738 5B10M52740 5B10M52738 5B10Q38237 5B10Q38238 2ICP4/43/110-2. Compatible Laptop ModelsFor Lenovo Yoga 720-13IKB 720-131KB 720-13IKB-81C3 720-13IKB-80X6, Yoga 730-13IKB 730-131KB 730-13IKB-81CT, Yoga 730-13IWL 730-131WL 730-13IWL-81JR Series. Note If the new battery is not recognized during the initial installation, please reinstall and check if the interface is fully connected. Discharge the new