Upgrade the power source of your Lenovo Flex 5 with this OEM 11.52V 4428mAh 51Wh battery. Designed specifically for Lenovo laptops, this Li-Ion battery has a capacity of 4550mAh, providing longer-lasting and more efficient performance. The black color and sleek design make it a stylish replacement for your old battery. This battery is compatible with the Lenovo Flex 5 and is part of the Flex product line. It has a voltage of 11.52V and is perfect for AC & DC type laptops. Don't let a weak battery ruin your productivity, upgrade to this high-quality Lenovo battery today.