Inventor of Zap&Go Charger
Stephen Voller C.Eng, is a serial entrepreneur who has taken several technology businesses through concept design and then into production. This includes a portable fuel cell charger that is credited as the first CE-certified portable fuel cell system with an integrated metal hydride cylinder. This unit was also used for battery charging and included a 12v DC circuit and inverter to provide 230v AC. The unit also included a 5v USB port that could be used for mobile phones.