battery not lighting up

Hello. I bought a phantom battery 7 months ago and have flied around 6/7 times with it. So far, it was very good, no difference than the original. I charged it 2 days ago and when I was going to fly yesterday, it blinked for a second and stopped working since then. I tried to charge it for an...

I just got a brand new Phantom Standard 3 and everything is set up and ready to go with the exception of the battery for the drone. I plugged it in using the included charger they provided and none of the indicator lights turned on. I then followed the instructions and pressed the button once...