Traveling can sometimes make it difficult to keep gadgets charged up, especially when hiking or spending time in remote areas. This backpack from Voltaic Systems has three durable, waterproof solar panels across the back of it which generate up to 4 watts of power, which is plenty to charge up your things.

Inside the backpack there are channels that run throughout the pack and shoulder straps to run wires through which can power and charge various items. A 2,200mAh Li-Ion battery and eleven adapters also come with the Voltaic Backpack to hook …

Solio is a handy universal power charger that is powerful enough to charge all of your handheld electronic products from smart phones and MP3 players, to digital cameras, game players, and GPS devices.

Solio can take a charge from either the wall socket or the Sun and store this energy within the Solio’s internal battery. The internal battery takes 8-10 hours of direct sunlight to fully charge and can store enough power to charge a typical cell phone or an iPod Nano at least two times. The fan-blade design allows it to achieve maximum surface area …

Sanyo had introduced a handy little gadget to recharge batteries using solar power. The Eneloop solar charger will recharge 4 AA batteries using nothing but the sun. It also has a port to let you charge other devices with rechargeable batteries via a USB connection.

At the same time Sanyo has also released a small, hand held heater that is also rechargeable, and works similarly to the small little liquid packets you would put inside your gloves at the slopes, creating a small amount of heat radiant heat.

Along with the solar recharger from …