Don't worry as I'll be glad to help, I have a few troubleshooting steps we could try to fix the issue:
The average laptop battery is good for around 400 recharges cycles. After that, it starts to lose its capacity to hold a charge. This is about one and a half to three years of battery life for the average user. As the rechargeable battery begins to fail, the running time of the battery begins to decline.
Learn how to get the most service and life from your HP notebook battery by following these industry-wide suggested best practices.