Product Specs & Warranty

Are the bag and solar panel waterproof?

Yes, all BirkSun solar panels are waterproof, lightweight, and highly durable. Bags are built to withstand rain/wind, however, they cannot be submerged in water.

Is there a warranty?

Yes, all BirkSun products are covered under our 1-year manufacturer warranty. This warranty covers the solar panel, battery electronics, and workmanship of the bag. 

How fast will a birksun charge my phone?

All BirkSun bags store solar power energy in a battery that will charge your smartphone or tablet at the same speed as a wall outlet. Every 3 minutes the solar panel is exposed to direct sunlight it will generate the equivalent of 1% smartphone battery power. From wall outlets, the battery inside the bag will be recharged 1% every minute.

Are the bags TSA travel approved?

Yes! All BirkSun bags are TSA approved and can travel around the world in airplanes. 

How fragile are the solar panels?

The solar panels are scratch resistant, waterproof, and highly durable. They are built to be used outdoors while hiking and will not be damaged if rain/weather occurs during your activity. The panels weigh less than 1/2 pound.

Shipping, Returns, & Payment

When will my order ship?

Once your payment is verified your order will ship within 24 hours. This does not include weekends or holidays. Purchases made after 11am PST will be shipped the next business day. We do offer expedited shipping options (Overnight and 2-Day) at checkout.

Do I have to pay international taxes and duty?

Your order may be subject to international duty and taxes which are levied by your country upon the arrival of the product. The general amount of duties and taxes is about 20% of the cost of the product, however, this is just a guideline and may vary depending on your country. Please contact your customs office for specific import duties and amounts.

How can I change something on my order?

If you need to change or cancel your order, please call us at 424-237-8850 or email us at immediately. Once our warehouse as processed your order we will be unable to make changes.

Can I return my product?

Hit the beach, pack your bags, go nuts at a music festival. If you're not obsessed by day 30, we'll take your BirkSun back for a full refund. Free shipping on the way back for all domestic orders. All clearance bags are final sale and cannot be returned.

Business Pricing

Do you offer bulk pricing discounts?

Yes! We work with many companies to help with corporate gifting, new hire ideas, and bags for events. Bulk pricing discounts start at a minimum of 24 units. Please email for more information.

Can I embroider my logo on the bags?

Yes, we have an in-house embroidery team that can decorate the front pocket of all our solar bags. Lead time is 10 days (rush options available). Please email for more information.

Do you have retail locations?

Currently we only sell BirkSun products online. We do have pop-up shops in California a few times per year. Please sign up for our email list to learn more. 

Get in touch

How do I contact BirkSun?

We love talking all things solar and are always here to answer your questions. Please email us at or call us at 424-237-8850.