You are using a web browser we don't support. Please use the latest version of one of these browsers.

Mozilla Firefox

Google Chrome

Apple Safari

Microsoft IE

Back to top

Eton BoostSolar Charger


This product is no longer available, but don't go just yet.


  • Features a rechargeable 5000mAh lithium battery for longlasting, reliable power— whenever and wherever you need it
  • When the BoostSolar Charger is fully charged you'll have enough backup power to fully charge your smartphone twice; 2.1A USB also allows you to charge your iPad®
  • In addition to solar charging, the BoostSolar Charger can be recharged from a wall plug via a built-in micro-USB input that is compatible with most smart-phone chargers
  • Rugged rubber exterior and an IPX-4 splash-resistant rating means the Eton BoostSolar Charger is super sturdy and splashproof
  • Built-in fastener loops make strapping it onto a backpack a cinch
  • LED charge indicators let you know how much battery charge is left

View all Eton Solar Chargers

REI membership


Best Use Multisport
Charge Time (hrs) 16 hours
External Charge USB
Battery Included Yes
Battery Type Lithium ion
Material(s) Plastic
Dimensions 6 x 6 x .75 inches
Weight 1 lb. 3 oz. ounces

The REI Difference

100% satisfaction guaranteed

We stand behind everything we sell. If you are not satisfied with your REI purchase, you can return it for a replacement or refund within one year of purchase.

REI's guarantee doesn't cover ordinary wear and tear or damage caused by improper use or accidents.

If your item has a manufacturing defect in its materials or workmanship, you can return it at any time. See our limited warranty.

Gear & advice you can trust

At REI, we live and breathe the outdoors, and we're passionate about sharing our expertise with people of all skill levels. Whether you're new to the outdoors or a seasoned explorer, we'll take the time to understand your needs and help you find the right gear for you.

10% annual member refund

Anyone can shop at REI, but for a one-time $20 fee you can become an REI member and enjoy a lifetime of benefits. These include an annual member refund, typically 10% back on eligible purchases.*



*10% is typical but not guaranteed. Your refund is based on eligible purchases, which exclude REI gift cards, services, fees, REI Adventures trips, REI Garage, and discounted items. Learn more