20W High Efficiency Waterproof Camping Backpacking Hiking for Cell Phone Power Bank
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High-Efficiency USB Solar Charger
Equipped with 1 USB-A and 1 USB-C dual output ports, this solar charger can deliver up to 15W of power per port. When using both ports simultaneously, each port intelligently adjusts to a maximum of 10W to ensure stable and balanced power supply. It can directly charge smartphones, tablets, power banks, USB fans, smartwatches, and other 5V devices under direct sunlight, making it ideal for outdoor emergencies, road trips, or off-grid adventures. *Note: This charger does not have energy storage functionality; nighttime use requires a rechargeable battery pack (charged during the day via the solar panel).
Ultra-portable solar panel
The solar panel weighs only 0.99 pounds (450 grams), and its foldable design combines portability with power output. When unfolded, it measures 18 x 12 x 0.6 inches, and when folded, it is the same size as a standard iPad (12 x 9.8 x 0.6 inches), making it easy to fit into a backpack, car storage compartment, or even the palm of your hand. Four reinforced mounting holes and included clips allow the solar panel to be securely attached to a backpack, making it ideal for hiking, camping, or other outdoor activities, enabling continuous charging on the go.
Smart Charging and Stability
The built-in IC chip enables automatic restart functionality and maintains stable charging even when moving in shaded areas, while detecting and optimizing the charging solution for connected devices. An LED indicator displays the charging status, with a red light indicating that the solar panel is functioning normally and capable of charging devices. Overcurrent, overheat, and short-circuit protection measures ensure safe charging.
Durable Weatherproof Design
The panel uses ETFE film lamination technology and IP67-rated protection, resisting scratches, water, dust, and extreme weather. Its self-cleaning surface maintains efficient operation even in muddy or dusty environments. *Note: The junction box is not fully waterproof and should be kept away from water immersion.
Higher Solar Conversion Efficiency
The high-quality monocrystalline silicon cells we use achieve a solar panel conversion efficiency of up to 24%, generating more power than other cells of the same size, perfectly meeting outdoor power needs. Note: The solar panel must be placed in direct sunlight to generate power.

| Product Parameters | |
| Model | S20 |
| Peak power | 20w |
| Output port | USB-A: 5V-3A (MAX) |
| USB-C: 5V-3A (MAX) | |
| Dimensions | 462*304*14mm (unfolded) |
| 304*248*14mm (folded) | |
| Net weight | 0.9Lbs/0.4kg |
| Certificate |
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| Electrical Specifications | |
| Rated Peak Power (Pmax) | 20 W |
| Open Circuit Voltage (Voc) | 8.4 V |
| Short Circuit Current (Isc) | 3.2 A |
| MaximumPowerVoltage(Vmp) | 7 V |
| Maximum Power Current (Imp) | 2.9 A |
| Net Product Weight | 1.5 lbs (0.7 kg) with junction box and accessories |
| Junction Box | IP67 rated in accordance with UL 3730 Out puts: USB -C, USB-A |
| Design Features | It can be unfolded and placed flat on the ground or hung on a ring |



