AP21A7T AP21A8T Laptop Battery fr Acer Nitro 5 AN517-55 Helios 300 PH317-56 PH315-55 PH317-56-78LY PH317-56-78SM PH315-55-72EA Nitro 5 AN517-55 Series AP21A5T KT0040G014 15.4V/90Wh/5845mAh/4-cell

Battery type: Li-ion;
Battery Condition: Brand New;
Voltage: 15.4V;
Capacity: 90Wh/5845mAh/4-cell Replacement
Part Number: AP21A7T AP21A8T AP21A5T KT0040G014 4ICP5/63/133 4ICP5/64/128
Compatible Models: for Acer Nitro 5 AN517-55 AN517-55-50NF AN517-55-50P0 AN517-55-523H AN517-55-53ZU AN517-55-55AM AN517-55-56G1 series; for Acer Predator Helios 18 PH18-71 PH18-71-72AS PH18-71-72QZ PH18-71-74ET PH18-71-74M5 PH18-71-77CC series; for Acer Predator Helios 300 PH315 PH315-54-760S PH315-55-51BA PH315-55-538Z PH315-55-58FY PH315-55-70N1 series; for Acer Predator Helios 300 PH317 PH317-55-95XR PH317-56-70C3 PH317-56-70XJ PH317-56-710H PH317-56-718D PH317-56-722C series Grade A cells reduce the risk of battery leakage and maximize output stability. Built-in circuit protection improves safety of usage and extends battery runtime.
Note 1: In order to find the right model, please open the back case of your laptop and check the model number of your original battery. When using the new battery, discharge it to 5% (not 0%) and then charge it to 95%. Repeat this cycle 3-4 times