Anker 21W Dual USB Solar Charger – Portable High-Efficiency Outdoor Charging Panel for Smartphones & Tablets

Designed for outdoor adventurers and eco-conscious travelers, the Anker 21W Dual USB Solar Charger offers a reliable and sustainable way to power mobile devices while on the move. Featuring advanced PowerIQ fast-charging technology, this solar panel ensures optimized charging speeds of up to 2.4 amps per port, or a total of 3 amps when used in direct sunlight. Its 21-watt SunPower solar array provides an impressive energy conversion efficiency of 21.5% to 23.5%, supporting the simultaneous charging of two USB-powered devices. Whether camping in the mountains or hiking through forests, dependable power is always within reach.

Crafted with durability and portability in mind, the solar panels are encased in industrial-grade PET polymer and sewn into rugged polyester fabric for long-lasting weather resistance. Weighing little and folding into a compact size, this lightweight charger includes reinforced stainless-steel eye-holes for effortless mounting on backpacks, trees, or tents. Ideal for long treks and unpredictable environments, the Anker PowerPort Solar Charger combines power, convenience, and outdoor resilience in one practical device.

Key Features:

• Dual-Port Fast Charging:
  PowerIQ technology enables intelligent high-speed charging, delivering up to 2.4 amps per port or 3 amps total when exposed to strong sunlight, ensuring phones and tablets charge efficiently on the go.
• High Conversion Efficiency:
  A 21W SunPower solar array with a 21.5%–23.5% efficiency rate allows more sunlight to be converted into usable power, making it a reliable energy source for outdoor use.
• Outdoor Durability:
  The solar panels are coated with PET polymer and integrated into durable polyester fabric, offering resistance against water, dust, and environmental wear—suitable for extended use in tough conditions.
• Compact and Travel-Friendly:
  Ultra-lightweight and foldable, with stainless-steel eye-holes at each corner, the charger can be conveniently attached to a backpack or tent, providing hands-free solar charging while moving or resting.
• Universal Compatibility:
  Equipped with dual USB ports, this solar charger supports a wide range of USB-powered devices, including iPhones, Android smartphones, tablets, Bluetooth speakers, and more.