Customer SupportRest assured with 30 days Refund and 12 months Replacement,also get our friendly customer service;(Note: The return window will be closed a month after you received the Battery.If you have any problem with this battery, please Contact us - in "YOUR ORDER" options click the "contact seller") SpecificationsItem Model: L16M6PC1; Product Type: Replacement battery; Battery Type: Li-ion; Number of cell: 6 cell Voltage: 11.52V; Capacity: 72Wh/6268mAh; Battery Life: Up to 500 recharge cycles over the life of the battery. Compatible original Battery CodeL16M6PC1 L16L6PC1 L16C6PC1 5B10M53745 5B10M53743 5B10M53744. Compatible Laptop ModelsCompatible with Lenovo Yoga 720 Series; Yoga 720-15Ikb Series Laptop Series High Safety 100% New, 100% Compatibility. Over-current protection, over-voltage protection, over-temperature protection, short-circuit protection, reserve protection, antistatic impact. Certified by CE/FCC/ROHS/UKCA