When using a standard power strip, you can easily fit 5-6 of these chargers at the same time! The charging profile has also been changed to charge the batteries faster and more efficiently. Our tests show it reduces charging time by about 20%. This convenient e Cigarette wall charger is very lightweight, but has the look, feel and performance of a high-end electronic component. The Slim Charger is engineered according to UL specifications with UL-grade materials. In a nutshell, this is one electronic cigarette charger that's built to last!