Renogy E.Flex 21Watt Solar Panel Charger

Renogy E.Flex 21Watt Solar Panel Charger
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SKU: RSC-21W-001-AU
$79.99 $66.99




With an energy conversion efficiency of up to 22%-25%, Renogy E.FLEX 21 Portable Solar Panel utilizes sunlight and transforms it into usable electric currents for powering your essential electronics. Latest iSolar technology and auto-optimization functions are integrated to provide a safe and effortless charging experience.

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Key Features

Optimized Charging
  • Advanced iSolar technology enables the fastest charging speed possible and protects your device from over heating
Highly efficient
  • Utilizes sunlight to the maximum extent with premium solar panel and adjustable nylon kickstand
Top-notch Quality
  • Water-resistant and rugged nylon offers great durability to conquer unpredictable weather conditions
Effortless Reconnecting
  • Auto-optimization function guarantees immediate reconnecting when sunlight returns after charging interruption
Portable Size
  • Foldable design for portability in backpack, tote and suitcase for outdoor activities

Comparison Chart

Package Includes

Renogy E.FLEX 21 Portable Solar Panel

Renogy E.FLEX 21 Portable Solar Panel

1 x


23.6 in / 60 cm Micro USB Cable

23.6 in / 60 cm Micro USB Cable

2 x




2 x


Dimensions (Unfolded): 18.74 x 11.4 inch / 47.5 x 28.95 cm Dimensions (Folded): 11.4 x 6.22 inch / 28.95 x 15.8 cm
Weight: 1.2 lbs / 546 g Rated Power: 21W
Output: 2 x USB Ports 5V / 4.2A Total  

Warranty Information


25-year power output warranty: 5 year/95% efficiency rate, 10 year/90% efficiency rate, 25-year/80% efficiency rate

5-year material and workmanship warranty

Accessories 1-year material warranty


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