57Y6309 battery to fit Lenovo L09S6D21 L09C6D21 L09C6D22 57Y6309
Replacement Laptop Battery fit Lenovo IdeaPad U450P 20031,U450P 3389, U550 Series Laptop batteries
About this item
In order to optimize the battery capacity, use the battery directly until only left 7% power, and then turn off laptop and charge it at least 12 hours. Repeating this thorough charge cycle 2-3 times will fully exercise and optimize the battery’s performance capacity.
Battery Cells Made to 400 recharge cycles over the life of the battery.
11.1V, 6 Cells, 4400mAh, 49Wh, replacement Li-ion battery, CE FCC RoHS certified for safety.
Rechargeable, 100% compatible for Lenovo IdeaPad U450P, U550 Series Laptop battery.