Battery Issue

[SamsungGalaxyS5user7]

I used my Samsung check thingy, and I found that there is an issue with my battery. I use an S5. Why should I go to the Samsung repair locations with a phone that's 5 years old?

[SamsungGalaxyS5user7]

well I can't afford it

[userKHtNlG6LBM]

Where?

[LongHiker]

Amazon, Walmart, Batteries+, etc. 

[SamsungGalaxyS5user7]

This was more or less an announcement because my phone is way out of support.