XO XRYG-280-3 will provide constant access to power for your devices. It is equipped with 2 USB-A ports and features a foldable design, so it won't take up much space. It will be perfect for a camping trip or a picnic. What's more, it offers 21 watts of power, and its energy efficiency is 22%.

Specifications:

• Manufacturer - XO
• Model - XRYG-280-3
• Power - 21 W max.
• Open circuit voltage - 21.6 V
• Short-circuit current - 4.5 A
• Operating voltage - 5 V max.
• Operating current - 4.2 A max.
• Energy efficiency - 22%
• Output ports - USB-A x2