Model: SZYL-P40 Specification: 5.5V / 3W 1. Current and output voltage: 5V / 800mA (MAX). 2. The current and input voltage: 5V / 700mA (MAX). 3. The solar panel: 5.5V / 3W. 4. The material of the solar panel: monocrystalline silicon. 5. The conversion rate is over 17%. 6. Charging time is about 7 hours per AD adapter. 7. Optional color: white, black.