So I've made a video in the past of symptoms your bad hybrid battery might show, but it left out a lot of symptoms that I'm now experiencing with my battery pack that is going bad, yet again.

So here is an updated list of some more subtle signs that your hybrid battery may be going bad, that you can use to diagnose your own hybrid battery on your 2nd generation Prius.

Oh - Also one more symptom I forgot to mention is reduced MPG's. When my battery pack was in better condition, I was getting 36ish MPG in town and 45ish MPG on the highway. Now I'm getting about 30 MPG in town and 38 MPG on the highway.

Torque Pro is the app I was using

https://play.google.com/store/apps/de...