Sun-Plugged's Max Solar Backpack

Do you like hiking or just love camping? I believe that both of these activities will not leave this gear behind.

This gear, a backpack, is used to carry your goods during the event. Its existence is very important, especially if the backpack also serves as mobile gadgets charger. After all, who would bother to carry other charger devices if the function can be performed by a backpack.

Various products of charging backpacks have been widely produced. Generally these backpacks use photovoltaic modules to generate electricity and store it into the battery. But unfortunately some of them using a small-sized photovoltaic module that simply generate less power while the other ones have a large photovoltaic module and generate enough power to recharge mobile gadgets simultaneously.

Here are some of the backpacks that can generate 3.5 to 4 Watt of power you can have.

1. Solar Business Laptop Backpack

Samsonite Solar Backpack

This 2.2 lbs backpack is made by Samsonite and constructed of 450 Denier recycled PET fabric. Its photovoltaic module can provide you enough power up to 4,5 Watts to recharge your gadgets’ battery when exposing the bag to about four hours of direct sunlight. There is a front organizer panel with pockets and cord organizer and is equipped with 12 Volt adapter (car charger input). As the name implies, the bags also provide a compartment for laptops with screens up to 15.6″. This bag is sold for $130.49.

2. Eco Traveller Backpack

Traveller's Choice Eco Travel Backpack

The backpack, made by Traveller’s Choice, contains a flexible PV solar sheet ‘Power Plastic’ that generates electricity from light and the associated electronic components necessary to charge cell phones and other handheld devices from solar power.

Under full sun, this bag can charge a cell phone completely in two hours. Or it can be used to trickle charge devices, extending their battery life. And the bag can convert ambient and angled light into power and save it into built-in capacitor. The stored energy can be monitored from an energy meter.

As travelers become even more dependent on their handheld devices, they’ll be looking for new, sustainable ways to charge them—wherever they may go. In the future, ever-increasing levels of efficiency will let Power Plastic charge more power-hungry devices, such as laptops. This backpack can be purchased for $135.00.

3. Eclipse Solar Backpack

Eclipse Solar Backpack

Made by Eclipse Solar Gear, this backpack integrate flexible, thin-film solar module providing up to 4 Watts of power to charge your cell phones, iPhones, and smart-phones. Unfortunately, this solar panel is not designed to charge a laptop computer.

The backpack features multiple organizer pockets for your smart phones, iPods, and accessories.  The rear of the backpack features a separate padded laptop cavity.  External side mesh pockets can be used for a water bottle holder or other items for quick access. The pack features a large main cavity for books or extra clothing when traveling.  The front zippered accessory pouch includes pen holders, cd holders, and a removable clip for USB memory sticks or keys. Eclipse solar backpack can be purchased for $179.98.

4. Off-Grid Solar Backpack

Voltaic System Solar Backpack

The Off-Grid Solar Backpack by Voltaic Systems will provide about 3 hours of talk time for your cell phone under 1 hour exposion of sunlight. A full charge will be achieved after 4 up to 5 hours exposion. This very powerful solar cell phone charger not only charges most popular cell phones like iPhones, Blackberrys, HTC, Motorola and many others but also charges devices such as digital cameras, portable gaming devices and Portable GPS units.

Includes a 3,000 mAh Universal USB Battery so you have back up power when the sun goes down. The battery can also be charged using the USB power cable via a computer. Battery will fully charge in 7 hours in direct sun and 5.5 hours from USB to computer or laptop and will provide you with up to 19 hours talk time or 48 hours music playback. A pair of removable 2 Watt solar panels provide you with a total of 4 watts of charging power. Zip off the solar panels and then you can attach them to another bag, bike rack, etc. with the included straps and clips.

This bag has lots of room – 1500 cubic inches (25 liters) storage inside for all of your things, the Off Grid Voltaic Solar Backpack gives you the ability to pack up, carry and charge your devices! Whether you are going camping, hiking or backpacking this solar bag is a great way to keep your electronics charged and safe. The Off-Grid Solar Backpack is sold for $229.00.

5. Max Solar Backpack

Sun-Plugged's Max Solar Backpack

This three compartment backpack from Sun Plugged features a waterproof, scratch resistant, high efficiency monocrystalline solar panel. Max Solar Backpack produces 4.5 watts of power which then be stored into 5000 mAh. This power can be tapped from standard USB in a form of 5.5Volt/500mA. So 1 hour in direct sun will power over 3 hours of iPod playtime or 1.5 hours of cell phone talk time. The Max Solar Backpack charges virtually all handheld electronic devices.

All Sun-Plugged bags come with a custom battery pack that stores any surplus power generated, so it is available when you need it – not just when the sun is up.This backpack is sold for $169.00

That’s the 5 best solar backpacks you can have. Remember, your choice depends on your budget and requirement and all of them have all the standard requirements for charging all your gadgets.