Welcome to OUWEE Before placing your order, we highly suggest you to open the back case of your latptop and check out the exact part number of your laptop's original battery. 1.Battery Type: Rechargeable Li-ion Battery 2.Model: L15L3PB0 (Shape-A) 3.Voltage: 11.4V 4.Capatity: 52.5Wh 4610mAh 5.Connector: Please refer to the picture and check it. 6.Certificate: CE,RoHS,FCC?100% New from Manufacturer, Grade A Cell 7.Worry-Free Warranty: At OUWEE, we believe in our battery. That's why we back them all with an 12-month warranty and provide friendly customer service, easy-to-reach support. 8.Replacement for Part Number: 52.5Wh-L15M3PB0 L15L3PB0 L15C3PB1 35Wh-L15M2PB1 L15L2PB1 L15C2PB1 L14M2P21 L14L2P21 9.Compatible Models (use "Ctrl+F to find your model quickly") Flex 5 1470 1570 Series IdeaPad 320S-14IKB 320S-15ABR 320S-15AST 320S-15IKB 320S-15ISK 520S-14IKB Series IdeaPad Yoga 520-14IKB Series 10.Package included: 1X L15L3PB0(Shape-A) Battery. 11.For Optimal Use battery: ?Discharge the new battery to 5% (not 0%), then charge and cycle 3-4 times to wake up the new battery. ?The important point is to perform a full discharge charge every other month to extend battery life. ?Don't connect adapter for a long time while using the battery. It may damage the battery. ?Avoid artificial shocks, disassembly, crush or puncture. Do not dispose of in fire or water. ?Avoid using the battery in an environment where the temperature is too high or too low.