Mobile Laptop Charger

By using a powerful boost converter anyone who has 3s - 5s RC LiPo packs can build a mobile laptop charger.
This is a simple enclosure for the following boost converter: http://www.ebay.de/itm/231530770443?_trksid=p2060353.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT
Simply adjust the voltage potentiometer to the desired voltage which is about 20V for most notebooks and solder the appropriate connectors and wires. Since this converter has a constant current option for driving LEDs, the current po