The portable fuel cell systems JENNY 600S weighing only 1.7 kg, are easily portable in a backpack. The system provide 600 Wh of electrical energy per day.

Just a few fuel cartridges contain enough capacity for several days of operation. This means up to 80 percent of battery weight can be saved. Thus, soldiers can plan with a minimum set of batteries and carry additional food, water, and ammunition due to the weight and volume saved, allowing them to extend the duration of their mission.