Originally Posted by
burnineyes
This is normal while the ESCs capacitors charge up. The Nimh do not deliver enough current to make a noticeable arc.
My $100 nimh packs would do it on my GTX esc back in the day...I don't miss the days of having a high dollar pack drop a cell or two after 5-6 cycles..

CS was always good and they made it right for me but it still sucked..