PUWDA&trade; 45N1043 Replacement Laptop Battery For Lenovo ThinkPad Edge E430 E435 E530 E535 B480 V480 G380 Y480 Z580 Notebook L11S6Y01 L11L6Y01 45N1042 Battery type: Li-ion; Voltage: 10.8V; Capacity: 4400mAh/48Wh; Cells:6-cell; Color: Black Grade A Li-ion battery cell ensure fast charges and low power consumption. 100% New from Manufacturer. Up to 500 recharge cycles over the life of the battery. A genuine PUWDA&trade; product comes with 1 year warranty. Recognize the real product markings. Beware of imitation, fake and poor products. (PUWDA&trade; have no responsibility on the imitation product purchased) Fulfilled by Amazon