Battery of my Galaxy Note 9 draining very fast.I want to replace my phone's battery.Can anyone please tell me the price and availability ?

Finally got solution for playing PUBG on 60fps on my Note9.Now i changed my decision to buy cheap fone with high refresh rate 

Finally got update of GALAXY NOTE 9ANDROID 10 ONE UI 2.1

click with Galaxy Note 9

Aj kal jo phones full charge nai ho rahy.kuch 70% kuch 85% tak ho kar band ho jati hai charging.woh tens na len yeh Summers mn high temperature ki wajah sy issues hain.Fone heatup ho k charging band kar deta hai...Friendly charging temperature is 5⁰ ...