Are you talking about this? http://www.ebay.com/itm/16800mAh-12V-Portable-Laptop-Car-Jump-Starter-Power-Bank-Battery-Charger-LED-/221773291046?hash=item33a2b7de26:g:wQsAAOSwl8NVVbxl&item=221773291046&vxp=mtr
I was planning to get one also, not sure if it will work.
