With the new Battery's ,efficient AC motors and optional factory Solar as a accessory that extend your range 5-8 miles Range anxiety is lessened. And more important extend your battery life 2-4 years.
I have been talking with the company that manufactures the panel. They have extensive trials in places like Iraq and Afghanistan for the US military.
http://batteryminders.com/forms/electric_vs_gas.pdf Coutersy of Battery Minder although I have just been told this Battery Minder product will destroy the batteries on a EZGO cart voiding warranty. My expereience in the Automotive industry makes me think this is not true.
Waiting for more tech support from Battery Minder