The Boost 2 is simply the most powerful and easy to use BirkSun ever. Thanks to its built in internal battery with digital power management, LED indicator display and waterproof design, it has never been easier or more fun to create power from the sun! BirkSun is your new best friend at the beach, music festivals, and during international travel. Pack it, wear it, charge it, and make it your own. Dimensions: 18.5"(H) x 13"(W) x 5.5"(D) / 2.4 pounds. Volume: 20 Liters
FREQUENTLY ADDED ACCESSORIES - Get 50% off with bag purchase
FREQUENTLY ADDED ACCESSORIES
Get 50% off with bag purchase
Always have a charging cable in your Birksun for traveling. Powers and connects to all Apple products. 1.2m in length.
THE NATURAL SPECS OF SOLAR BACKPACKS
Charges all phones as fast as the wall
CREATES POWER FROM THE SUN 2 MINUTES = 1% PHONE CHARGE
STATE-OF-THE-ART SOLAR PANEL LAST OVER 20 YEARS
WATERPROOF SOLAR PANEL
BUILT-IN 3,000 MAH BATTERY UP TO 2 FULL PHONE CHARGES
RECHARGE YOUR BAG FROM THE WALL
PREMIUM FABRIC & STITCHING YKK ZIPPERS
LOW CARBON FOOTPRINT
We are always searching for new ways to harness the sun’s amazing power and tastfully integrate solar panels into our custom designs.
Durable Exterior Shell
- We build BirkSun bags to face the elements and last many years. Our exterior fabric goes through heavy testing to ensure strength.
- All BirkSun solar panels are waterproof and scratch resistant. They also wash very easily.
Premium, Soft Interior Fabric
- All BirkSun bags are lined with high quality fabric that hugs your electronics and other belongings.
- Leather handles and enhanced cross stitching provide the perfect blend of artisty and durability.
Very Fast Charging
- All BirkSun bags have a built-in lithium battery that outputs power at 2.4amps (same as the wall).
- This interior battery can be recharged by placing the backpack in direct sunlight or by plugging into any wall outlet.