The CoreParts MBI4120 is a lithium-ion replacement battery for ASUS X301A, X301, X301A1 and X301U notebooks. It is listed under the MicroBattery name, and is intended for the models listed here.
Its 10.8 V rated voltage and 4400 mAh charge capacity describe the power it supplies. The six-cell construction provides a replacement power source for a compatible notebook. The battery is black.
Use it to replace the battery in one of the listed ASUS notebook models.