led #1 issue

I purchased this battery from this eBay seller long time ago. It took a while until it arrived, since I had to send it from US to where I live. This week I started charging it. Red light comes on and single LED farthest from the home button starts blinking 3 times and that's all it does. I...

When i plug my battery in directly to the DJI factory charger the only thing that happens is LED #1 blinks 16 times, stops for around 7 seconds and the repeats. all day long. what could my issue be? this battery is room temperature and hasnt been flown recently. Also all 3 other batteries I...