thanks guys,

yes cleaned contacts on rack first and tryed them again today, yes they light up while charging as i said blink a few times like 3 or 4 times green then a few times red then nothing once taken off.

i have just sent amb an email so between them and the guy in brisbane i'm hopefull we can come up wih something to get them going again... $1,600 for a new set of 10 is a bit steep...