Acer aspire 7 model no. A715-76G, how can i get a replacement online?

Hi, I have Acer Aspire 7 with model no. A715-76G, It's been around 2 years since i bought it and when i bought it the battery capacity was 48004mWh but now it has been decreased to 23040mWh. Is that wear normal, I plugged it in all the time when I use it and unplug it when i shutdown the laptop.
The model no. of battery is AP18C8K, if i need replacement in future how can i get a replacement online? Is their any platform that gives original oem batteries?
Also anyone wants to give me suggestions so that i can reduce future wear then please help me with it.

[Edited the thread to add model name to the title]

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Jack22

@Nikhils1

Do you need contact for replacement battery in India or US?

Nikhils1

I need it in India.

Jack22

@Nikhils1

Online retailers

iServiceIndia.in: This store offers a variety of Acer spare parts, including the battery for the Acer Aspire 7 (A715-76G).
Sparepartworld.com: This international retailer sells the original 53Wh battery suitable for the Acer Aspire 7 (A715-76G).
Super Pc: This site lists several original laptop notebook batteries, including the AP18E7M, which is compatible with some Acer Aspire 7models.
Amazon.in and Flipkart: These large marketplaces have multiple sellers offering compatible or replacement batteries for the Acer Aspire 7 series. Be sure to check the specific part number and compatibility details from the seller.