The power of many gadgets lies in their portability but immediately gives them the weakness of needing to be recharged at a fixed power source. Philips just introduced the Power2Charge and Power4Life line of gadget charging batteries. There are different models which can charge USB powered gadgets like Mp3 players, laptops, mobile phones and other battery-reliable electronics. Depending on the model the chargers can power up to 21V and charge your gadgets for an additional 60 hours.