Depend on electricity to charge the cell phone appear to be lagging behind and some companies are already working in different feeding options.
The Swedish company MyFC PowerTrekk developed a charger that uses water to power mobile devices, is connected with a USB cable and has a power greater than six AA batteries.
The system uses different chemicals and requires a device, the cartridges in contact with the water and energy are renewable renewed.
The hydrogen that is generated after the combination with water is mixed with atmospheric oxygen and is what produces electricity for recharging the apparatus ..
All implements that had been created so far using methanol or hydrogen to carry out the process. While the system is more economical to use alkaline batteries are abandoned after being depleted, the current challenge is to match the price with those that are rechargeable.
PowerTrekk can be used for tabletting or the like.