The solar-powered backpack provides an excellent energy-saving alternative to traditional batteries or electricity because it relies on one natural resource - the sun. This article discusses the top five solar-powered backpacks, listing their features and their prices.
OffGrid Solar Backpack
What makes the OffGrid Solar Backpack so versatile is the fact that the solar packet is removable and easily attaches to other bags as it charges. It will store and charge all your handheld electronics. The battery will last up to 19 hours of talk time or 48 hours of music playback. If you should charge your battery in the sun for an hour, you will have three hours of talk time.
The OffGrid Solar Backpack is available in black, silver or red. It comes with a 2-year warranty for the bag or the case and panels, plus a 1 year warranty for the battery. The price is $160 on Amazon.
Source: Voltaic Systems
Eclipse Solar Backpack
The Eclipse Solar Backpack is a top-quality bag with a powerful thin-film solar module. Store your smart phones, iPods, laptops, clothes and books in the interior storage compartments. External side mesh pockets are perfect for water bottles or things to which you need quick access. The front zippered accessory pouch will allow you to store pens, CDs, and USB memory sticks or keys. Charge your handheld electronics with the 4-watt integrated thin-film solar charging module. The price is $159.99.
Source: Eclipse Solar Gear
V-Dimension Helius Solar-Powered Backpack
This backpack contains a V-Dimension Helius Solar-Powered laptop case that will fit most laptops with a 15.4" display. It also contains a solar panel to keep your cell phone, MP3 player and other handheld devices fully charged while you are traveling. The internal batteries store up to two charges.
It also contains eight charger connections, including Apple®, iPod®, iPhone, mini USB, Samsung, LG, Nokia and Motorola. Interior and exterior storage compartments will help you stay organized. The price is $99.99.
Source: Best Buy
Sun-Plugged Mountain Solar Daypack
The Sun-Plugged Mountain Solar Daypack is waterproof and scratch resistant, with recyclable high-efficiency solar panels. It also comes with a recyclable Lithium-ion battery, plus USB power cord and adapter for a variety of handheld devices such as the iPod, iPhone, mini USB, micro USB and more. The daypack produces 1.4 Watts of power, which will give you over 40 minutes of GPS usage or 40 minutes of cell phone talk time. The price is $159.
Voltaic Converter Solar Backpack
The Voltaic Converter Solar Backpack was designed for commuting and short trips. It will charge a typical cell phone in about 4-5 hours. One hour will provide approximately three hours of talk time. The Universal USB Battery stores power for use at any time and can be charged via solar, AC travel charger or DC car charger.
It's available in orange or silver panels. It also comes with a 2-year warranty on the bag or the case and panels, plus a 1-year warranty on the battery. The price is $179.