
Solar panel foldable EcoFlow 28 W
Dimensions (folded), mm: 291 x 177 x 18.6
USD · Volume pricing available
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Order the EcoFlow 28 W portable solar panel for autonomous charging of your drones and gadgets!
Provide yourself with clean energy on any journey. This compact EcoFlow 28 W solar panel will become your reliable companion on hikes, expeditions and outdoor trips. Thanks to advanced TOPCon monocrystalline elements with a conversion efficiency of 25%, it guarantees excellent power generation even in partly cloudy conditions. The lightweight and foldable design fits easily into a backpack, and durable materials ensure long service life.
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High efficiency 25%. TOPCon's advanced monocrystalline elements ensure maximum solar gain .
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Universal charging ports. Equipped with USB-A (18 W) and USB-C (20 W) outputs for charging smartphones, tablets and drone batteries.
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Maximum portability. When folded, it measures just 291 x 177 x 18.6 mm and weighs just 0.6 kg, easily fitting into a backpack .
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Complete protection from external influences. The IP68-rated housing reliably protects the panel from dust and water.
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Stable parameters and durability. Low temperature coefficients ensure efficient operation over a wide temperature range.
Operating principle and technology for efficient charging
The EcoFlow 28W solar panel converts the energy of sunlight into direct electrical current. It is based on highly efficient monocrystalline TOPCon cells, which provide a conversion efficiency of 25%, which is higher than standard panels . This means that the panel will consistently produce energy even in cloudy weather conditions or when the angle of incidence of the rays is not optimal.
Built-in smart controller adjusts output voltage to safely charge your devices. The USB-C port supports Power Delivery up to 20W, and the USB-A port supports fast charging up to 18W. This allows you to effectively charge batteries for FPV drones, laptops, cameras and other equipment right in nature. Thanks to its compact folding design, the panel easily unfolds and locks into the optimal position for maximum light capture.
Technical characteristics and reliable design
| Characteristics | Meaning |
|---|---|
| Rated power | 28 W (±1 W) |
| Type of photocells | Monocrystalline silicon TOPCon |
| Conversion efficiency | 25% |
| USB-A output | 5V=3A / 9V=2A / 12V=1.5A, 18W max. |
| USB-C output | 5V=3A / 9V=2.2A / 12V=1.67A, 20W max. |
| Max. operating voltage/current | 18 V / 1.55 A |
| Temperature coefficient (Pmax) | -0.30%/°C |
| Protection class | IP68 (dust- and moisture-proof) |
| Folded size | 291 x 177 x 18.6 mm |
| Unfolded size | 291 x 664 x 2 mm |
| Weight | 0.6 kg |
A durable housing made of high-quality materials and IP68 protection class guarantee reliable operation of the panel in all weather conditions, protecting against dust, splashes and short-term immersion in water. Low temperature coefficients allow the panel to maintain high efficiency even when heated by the sun. The panel is the perfect addition to your camping charging station to power all your essential electronics.
Specifications
- Weight, kg: 0.6
- Dimensions (folded), mm: 291 x 177 x 18.6
- Dimensions (unfolded), mm: 291 x 664 x 2
- Rated power, W: 28 W
- Cell Type: TOPCon Monocrystalline Silicon
- Conversion efficiency: 25%
- Type-C output: 5V=3A/9V=2.2A/12V=1.67A, 20W max.
- USB-A output: 5V=3A/9V=2A/12V=1.5A, 18W max.
- Connector type: USB-A/Type-C
- Max. operating voltage, V: 18
- Max. operating current, A: 1.55
- Temperature coefficient of rated power: –0.30%/°C
- Temperature coefficient of open circuit voltage: –0.25%/°C
- Temperature coefficient of short circuit current: +0.04%/°C
- Protection class: IP68
- Packaging dimensions, mm: 300 x 190 x 30
- Package weight, kg: 0.8.







