The Laptop Power Bank will run you $109.99, while the wall charger costs $89.99. You can buy these chargers as a pair for $199.98 from Anker.com, but currently an online coupon will knock the ...

Meet the Dart, a 65-watt laptop charger built with MIT technology that is up to four times smaller and six times lighter than current chargers. No one wants to make a bulky laptop charger, of course.