In the future is possible I will buy this.......... at this moment is impossible for me
1/ebay kit 500w 36v from cammy_cc (ebay) = 230usd shipped
2/tunder sky 20ah batt 36v from thunder-sky.com = 250-300 + shipping
2/headway batt pack 36v 12s1p 12ah = 170+shipping
low than 600usd
regards and thanks for the help