1 4W High-Efficiency. To get the most sunlight and maximize solar charging, install your solar panel in a location with clear, unobstructed exposure to the sunlight. Hold the solar panel at about a 45-degree angle to the sky to absorb as much direct sunlight as possible.
| Efficiency | High Efficiency |
| Maximum Voltage | 5 Volts |
| Maximum Power | 4 Watts |
| Output Voltage | 5 Volts |
| Item Dimensions L X W X H | 6.7"L x 4.52"W x 0.5"H |
| Model Number | -4Wblack |
| Unit Count | 1.0 Count |
| Product Dimensions | 6.7"L x 4.52"W x 0.5"H |
| UPC | 7445036127162 |
1 4W High-Efficiency. To get the most sunlight and maximize solar charging, install your solar panel in a location with clear, unobstructed exposure to the sunlight. Hold the solar panel at about a 45-degree angle to the sky to absorb as much direct sunlight as possible.