I don't know about lithium jump starters. Here are a couple of threads about jump starters:
http://www.ridgelineownersclub.com/forums/showthread.php?t=69242
http://www.ridgelineownersclub.com/forums/showthread.php?t=45394
http://www.ridgelineownersclub.com/forums/showthread.php?t=69242
http://www.ridgelineownersclub.com/forums/showthread.php?t=45394