Ofna starter box battery upgrade?
I have an Ofna starter box and would like to upgrade the batteries from 2 3000 mha sticks to maybe a 12v gell pack or lipo. Can I have some suggestions for what will last long and would be affordable. As well, what charger might I need for your suggestion. I am having a hard time turning over my new o.s v-spec even with heating first. The batteries are not lasting very long and its becoming quit frustrating. I would like to correct this before I get to the track in a couple months. Thanks. Ken