Playing With DC to DC Boosters
http://www.ebay.com/itm/DC-DC-600W-12-60V-To-12-80V-Booster-Step-Up-Power-Supply-Module-/251667269211?pt=LH_DefaultDomain_0&hash=item3a9889c65b This little guy boosts voltage up to a limit of 12 am...
Forum Discussion
The booster I showed was rated to 600 watts which I believe is enough to charge a laptop battery. I do strongly recommend sticking a 60 mm muffin fan under the booster.
