Laptop crashes when battery's on

Apr 3, 2018
4
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Hey guys you good ? Weird Issue I got I have HP Notebook 15 Laptop I bought it 1 year ago , the battery worked fine but a week ago till now when battery's on laptop crashes randomly after 30 minutes or 20 minutes or 40 minutes idk why , can you help me ? laptop works perfect when charger is plugged in but when battery's on it crashes but another thing when I plug in my charger and take it off at the same time to check if it's battery issue I see it at a high % and when I do same process 2 more times ; battery percentage decreases and increases looks like something's wrong with percentage of the battery idk , is this from windows because I have been deleting my windows several times and get new one and last windows I got was a month and half ago . My Windows is 10 64 Bit Pro .
Help pls Thank You
 
Apr 3, 2018
4
0
10


Well I don't doubt in your reply thank you I might do that and replace it the problem is batteries are super expensive in my country and everything . Thank you