AP21A8T Laptop Battery 90.61Wh Compatible with Acer Predator Helios 18 PH18-71 / Predator Helios 300 PH315-55 / Predator Helios 300 PH317-56 / Nitro 5 AN517-55 Series AP21A7T AP21A5T KT0040G014

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Step 1: Press the "Windows + R" keys to pop up the window.
Step 2: Enter "msinfo32" and click "OK".
Step 3: View the "System Model" in the right pane.
Step 1: Shut down the laptop and unplug the power cord.
Step 2: Carefully use a screwdriver to remove the back panel to prevent damage to laptop components.
Step 3: Disconnect the cable connected to the battery, then you can check the model number and specific specifications on the battery.
Brand new battery
Rechargeable up to 1000+ times
Overcharging protection
Overheating protection
Short circuit protection
professional
Battery Model: AP21A8T
Capacity: 90.61Wh 5884mAh 4-Cell
Voltage: 15.4V
Battery Type: Li-ion
Condition: Brand New
Color: Black
Replace Part Number:
AP21A8T AP21A7T AP21A5T KT0040G014 4ICP5/63/133 4ICP5/64/128
Compatible Laptop Models:(use"Ctrl+F" to find your model quickly)
for Acer Predator Helios 18 PH18-71 series:

PH18-71-72AS PH18-71-72QZ PH18-71-74ET PH18-71-74M5 PH18-71-77CC
PH18-71-90AU PH18-71-91U5 PH18-71-93CJ PH18-71-98BE PH18-71-998G PH18-71-99ER
for Acer Predator Helios 300 PH315-55 Series:

PH315-55-72EA PH315-55-770K PH315-55-71WE PH315-55-965Z PH315-55-78L7
PH315-55-796N PH315-55 PH315-55-538Z PH315-55-79UP PH315-55-78LF PH315-55-76KG
PH315-55-79AU PH315-55-764C PH315-55-717X PH315-55-78FC PH315-55-51BA
PH315-55-751D PH315-55-724G PH315-55-782K PH315-55-74FV PH315-55-58FY
PH315-55-795C PH315-55-790G PH315-55-79ZV PH315-55-72J4 PH315-55-745L
PH315-55-70ZV PH315-55-749G PH315-55-73N9 PH315-55-70N1 PH315-55-73EH
PH315-55-79FW PH315-55-767B PH315-55-75GP PH315-55-75K6 PH315-55-766X
PH315-54-760S PH315-55-71SW PH315-55-77UZ PH315-55-750X
for Acer Predator Helios 300 PH317-56 Series:

PH317-56-78LY PH317-56-78SM PH317-56-7929 PH317-56-75UZ PH317-56-7292
PH317-56-78FW PH317-56-75RR PH317-56-724M PH317-56-77ZP PH317-56-987C
PH317-56-70C3 PH317-56-78YQ PH317-56-773G PH317-56-72SP PH317-56-70XJ
PH317-56-722C PH317-56-718D PH317-56-74AG PH317-56-76E9 PH317-56-710H
PH317-55-95XR PH317-56-79UV PH317-56-78LS
for Acer Nitro 5 AN517-55 Series:

AN517-55-78KU AN517-55-713K AN517-55-50P0 AN517-55-77MX AN517-55-72R4
AN517-55-738R AN517-55-74L0 AN517-55-76QM AN517-55-72GU AN517-55-77P1
AN517-55-73VP AN517-55-72VY AN517-55-78NJ AN517-55-79GW AN517-55-756P
AN517-55-72FC AN517-55-77YT AN517-55-55AM AN517-55-56G1 AN517-55-731L
AN517-55-76Z7 AN517-55-75H9 AN517-55-523H AN517-55-75R4 AN517-55-7501
AN517-55-79QV AN517-55-73NJ AN517-55-74K4
Brand new battery
100% compatible
Meet OEM specifications
Rechargeable up to 1000+ times
capacity is true, stable current, low self-discharge
short circuit, overheat, and overload protections
Multiple protection
Strong battery life
Good "core" quality
After getting the battery, please install the battery correctly, make sure that the battery connector is firmly connected to the laptop motherboard, and start charging the laptop. Discharge the new battery to 5% (not 0%), then charge and cycle 3-4 times to wake up the new battery.
Remember not to discharge the battery to 0%, otherwise the battery will be easily damaged.
After the battery is exhausted, please charge it in time. If it is not charged for a long time, the battery may be damaged.
If the battery is not used for a long time, it needs to be charged to more than 70% for storage. The storage time should not exceed 3 months.
If you often use it with a charger, please use the battery power regularly and use it more than once a week.
Please use original chargers. Inferior chargers will affect the normal charging of the battery.
Regularly clean the fan dust t