Voltaic Systems Solar Converter Backpack vs Columbia Unisex Atlas Explorer 25L Backpack

The main difference between the Voltaic Systems Solar Converter Backpack and the Columbia Unisex Atlas Explorer 25L Backpack is that the Solar Converter Backpack has Water Proof / Water Resistant (Waterproof and UV resistant material) while the Unisex Atlas Explorer 25L Backpack does not.

Voltaic Systems Solar Converter Backpack Front View
Columbia Unisex Atlas Explorer 25L Backpack Front view
Specs Brand Voltaic Systems Columbia
Name Solar Converter Backpack Unisex Atlas Explorer 25L Backpack
Category Laptop Laptop
Sub Category Everyday Everyday
Capacity (L) 20L 25L
Dimensions (in) 12 x 18 x 6 20.24 x 14.72 x 3.35
Weight (lb) 2.4 1.0
Fabric Recycled PET Fabric 100% Polyester with PU coating
Color Matte Black 4 Colors and patterns
Warranty Voltaic Systems 2 Year Warranty Columbia Limited Lifetime Warranty
Release Date August 21, 2013
Rating 4.1 4.3
Price Under $125 Under $100
General Features Shoulder Straps Breathable mesh shoulder straps Contoured padded shoulder straps
Water Proof / Water Resistant Waterproof and UV resistant material
Zippers Reflective zipper pulls
Main Compartment Access Normal zipped access Normal zipped access
External Pockets 2 side pockets and back zipped pocket 2 side pocket
Internal Compartments 2 interior pockets
Side Pockets Side pockets can fit water bottle and charger Side pockets can fit water bottle
Water Bottle Yes Yes
Handles Top grab handle Top haul handle
Loops and Attachments 5.5W at 6 volts solar panel, USB battery pack Elastic cord and key clip
Lightweight Yes
Business & School Features Laptop Sleeve Padded laptop sleeve fits up to 15" Laptop sleeve fits laptop up to 15"
Tablet Sleeve Tablet sleeve
Organizer Pocket Front organizer pocket
Travel Features Base / Bottom Flat padded bottom panel
Hiking / Backpacking Features Back Panel High density molded back section
Gym / Sports Features Laundry Pocket External bungee straps

You're currently comparing the Solar Converter Backpack by Voltaic Systems against the Unisex Atlas Explorer 25L Backpack by Columbia.


Voltaic Systems 's Solar Converter Backpack is a Laptop backpack with Everyday features while Columbia's Unisex Atlas Explorer 25L Backpack is a Laptop backpack with Everyday features.

The Voltaic Systems Solar Converter Backpack has a capacity of 20L (liters), weighs 2.4 pounds and it's dimensions in inches are 12 x 18 x 6. It's made of Recycled PET Fabric and is available in Matte Black in comparison the Columbia Unisex Atlas Explorer 25L Backpack's capacity is 25L with a size of 20.24 x 14.72 x 3.35 inches. Constructed from 100% Polyester with PU coating it weighs 1.0 pounds and is available in 4 Colors and patterns.