just did some did and tested my DIY VS using 12v batt. everthing is o.k, LED indicator light off when charging and on when fully charged. when removed the power supply (12V battery), the LED remain on... let the VS...
So the story goes like this...haven't been boosting for a while...then one day took the car out full boosting...and noticed the boost spiked. dammit. went up to 0.7,spiked back to 0.5... so i figure...what...