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 mitigate the risk of battery leakage and maximize output stability. Built-in circuit protection, enhances safety of usage and extends battery life 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 Specifications:

Voltage:15.4V
Capacity:90Wh/5845mAh/4-cell
Battery Type: Li-ion
Battery Condition: Brand New
Color: black
Condition: 100% New from Manufacturer, Grade A Cell

Compatible Part Numbers:

AP21A7T AP21A8T AP21A5T KT0040G014 4ICP5/63/133 4ICP5/64/128

Compatible Machine Models:

for Acer Predator Helios 300 Series

for Acer Nitro 5 AN517-55 Series:

55-50NF,55-50P0,55-523H,55-53ZU,55-55AM,55-56G1,55-5794,55-57WA,55-70QP,55-713K,55-715X,55-72FC,55-72GU,55-72R4,55-72VY,55-731L,55-738R,55-73NJ,55-73VP,55-73WQ,55-747X,55-74K4,55-74L0,55-7501,55-756P,55-75H9,55-75R4,55-75R8 and more......
for Acer Predator Helios 300 PH315-54-760S;

for Acer Predator Helios 300 PH315-55 Series:

55-51BA,55-538Z,55-58FY,55-70N1,55-70ZV,55-717X,55-71SW,55-71WE,55-71WH,55-724G,55-72EA,55-72J4,55-73EH,55-73N9,55-745L,55-749G,55-74FV,55-750X,55-751D,55-75GP,55-75K6,55-764C,55-766X,55-767B,55-76KG,55-770K,55-77UZ and more......
for Acer Predator Helios 300 PH317-55-95XR;

for Acer Predator Helios 300 PH317-56 Series:

56-70C3,56-70XJ,56-710H,56-718D,56-71VH,56-71ZW,56-722C,56-724M,56-7292, 56-72SP,56-73CD,56-73DK,56-74AG,56-75RR,56-75UZ,56-760A,56-76D8,56-76E9,56-773G,56-77ZP,56-78FW,56-78LS,56-78LY,56-78SM,56-78YQ,56-791V,56-7929 and more......