battery drain and hot when charging

[Sheepmister]

my phone is tecno pova 5 pro 5g and i have issue of battery drain in every gsi and also stock rom i think my battery us damage after installing gsi and stock rom many times is there a fix or not or should i replace the battery or the charger to make my phone battery last longer again sorry for my bad english, i use wifi network not mobile data but the drain is very fast i only last 8 hours of casual and 5 hours of gaming instead of 7 hours in gaming and 10 hours in casual

[0xKahli]

if it's draining in stock then you better check your battery.