Windows 10: Is my laptop at risk now?

I seldom use my laptop, I remember the last time I use it was on April 2017, like 1.5 years from now. I then put it in a carry bag in a cool place always.

However, the lithium battery wasn't removed.

My question is
1. Is this lithium battery at risk of "leaking" or "going wrong"
2. In case it's "leaking", how can I know? Is there any sign? Will it damage my laptop?
3. Any sign I can see if a battery is not working correctly or losing its durability?

Heard some said keeping it 50% fully charged instead of 100% charged while storing and heard some said taking out the battery if the laptop isn't going to be used for long time.

Now 1.5 years, kept in very good condition, but connected to the laptop, (NOT connected to the AC wall ) What do you think????

A few days later I will try to use it again, at the moment, I am asking for advice. Thank you very much

:)

 

Best laptop under $800??

Well the last one I suggested seems to be the best for 650$

EDIT: to facilitate your search...

Laptop GFX benchmark list

Laptop CPU Benchmark list

 

Laptop overclocking adventures

hey guys I'm trying to get clockgen to work on my laptop but can't get any of the plls to work, can you please post like exactly what steps I need to take to test each pll to see if it works? my specs are listed to the left
thanks!

 

Laptop with broken screen How much?

I would like suggestions and look in local stores. I dont wanna buy a laptop from someone online. Sorry. But could be a good idea if you asked him about the performance on older games. Gonna make a list ofall laptops people suggest me.

Remove the screen for space purpose here its small desk and if the screen is opened it will hide my 22 inches lcd