CWK&reg; New Replacement Laptop Notebook Battery for Lenovo IdeaPad Z580 Series G400 Series G485 Series G580 Series L116Y01 L11S6F01 ASM 45N1048 FRU 45N1049 121500049 L11S6Y01 V480 W560 V580 Essential G485 G585 E49 L11M6Y01 L11N6Y01 G480 G485 G585 G580 Y480 Y480N Y485 Y485N Y480P Y580 G480 Series G585 Series Y480 Series L11L6F01 L11P6R01 Condition: Brand New - Grade A cells Battery Type: Li-ion Voltage: 10.8 Volt (11.1 Volt compatible) Capacity: 5200mAh (Better than 4400mAh) 90 Day Money Back. Buy with confidence!