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Whether you’re heading to the campsite, a music festival, or a day at the beach, a new Amazon deal introduces a product that will help you keep your devices fully charged — even without an outlet in sight.

The BLAVOR power bank is one of the most-popular portable chargers online with more than 27,000 verified reviews on Amazon. It’s also one of the best-selling outdoor chargers too, with Amazon showing more than 10,000 purchases of this unit in the last month alone.

And right now, you can get the solar-powered charger for just $26.99. Apply an on-site coupon to save an additional 10% off at checkout. For a limited time, you can also get 10% off with the promo code FY8ZAWON.

Unlike other battery packs, which need to be plugged in to recharge, the BLAVOR Solar Charger Power Bank recharges using sunlight. Combined with its waterproof material and rugged, shock-proof construction, this makes the BLAVOR a must-have for outdoor excursions (of course, you have the option of plugging the charger into an outlet to recharge as well).

More proof that this makes a great outdoor wireless charger: the reinforced corners save you from accidental dings and drops, while the outer case is made of flame-retardant materials. There’s a built-in flashlight for emergencies, and a carabiner clip makes it easy to attach the charger to your backpack.

For such a high-performing charger, the BLAVOR is surprisingly portable and lightweight, coming in at less than ten ounces. It boasts great reviews too, with a 4.3-star rating (out of five) from more than 27,000 shoppers online. As you head outdoors this season, this solar charger is a must-have. Get it on sale for just $26.99 on Amazon here.