Just purchased this tablet from Wish and having battery charging issues. When it arrived it was at 62%. I let it charge for several days and it climbed all the way to 63%, used it for an hour and it went to 41%. It is now at 30% after being turned off and charged continuously for 2 days. What is my next step. I like the tablet but cannot use it much longer in its present condition?
Just an attempt
Make a factory reset from Android settings.
If the problem is not corrected, return the tablet to the seller
I’ve been encountering this issue too with my OPPO smartphone. I did factory reset but still the same 
Hello is what you have to buy things or Chinese brands, in the long run you pay more than you, better buy in your country and that is not Chinese or Korean or Japanese
Chronic problem with Chuwis.
Pinch the charging socket to make it tight, then put it on a USB port of a computer to charge. A little super glue on the outside of the socket helps reinforce the socket.
It might very slowly charge there - could take a day or more.
Worth a try because it’s a nice little machine when it works.
The charging problem is heat related.
I chill the backside with something from the freezer for 10 minutes, it stops self-shutting off charging.