LENOVO Z51-70 IDEAPAD 500-15ISK 14.4V / 14.88V 2800/2200/2000 MAH PN: L14S4A01, L14L4E01, 4ICR19/66 BATTERY IN hosur PRODUCT INFORMATION:Battery Type : Li-ion – Color: BlackBattery Voltage : 14.4V/14.88VCapacity: 2000 /2200 / 2800 mah – chose appropriate batteryCompatible Part Numbers: L14L4A01, L14S4A01,L14L4E01, 4ICR19/66