Well it's time for a battery, NT would not start after sitting 3 weeks. I just ordered a battery from Chrome Battery out of Indiana, They seem to be good batteries, The last one I bought for my CBR is going on 5 years old and just started my CBR after sitting for 3 months. Here is a link for the battery I just ordered for the NT.https://www.amazon.com/YTZ14S-BS-Performance-Power-Sports-Battery/dp/B00YVLI1X2 (Notice bottom right corner other sellers box $3 cheaper same seller Chrome Battery)