AP21A8T Battery For ACER Helios 300 PH317-56 PH315-54-55 Series Notebook AP21A5T
For AP21A8T AP21A7T AP21A5T KT0040G014 4ICP5/63/133 4ICP5/64/128. Remove the old battery, carefully install the new battery on the battery box, tighten the screws, and then connect the wires of the new battery.