SpecificationsModel: L16M4PB1 / Type: Li-ion / Voltage: 7.68V / Capacity: 48Wh 6268mAh Compatible Laptop ModelsLenovo Yoga 730-13IWL ideapad Yoga 720-13IKB 730-13IKB Series Laptop Replace Part NumberL16M4PB1 L16L4PB1 5B10M52738 L16C4PB1 5B10M52739 5B10M52740 5B10Q38237 5B10Q38238 Advantage for batteryBrand New battery, Certified by CE for safety and Strict guidelines for compatibility. Now this battery is powered by Lithium-Ion technology and has a safeguard chip which authenticates. System Battery Extended Life System Battery. Quality AssuranceSupport 30 days return or exchange and 12 months warranty. Factory Sealed, Retail Packaged. Any questions will be answered within 24 hours,Serve you wholeheartedly