When you power on the laptop(notebook), just choose the 19V charging voltage, and only charge for the right voltage, if not the right one, it can't work. At the same time, the hybrid solar laptop battery charger supports for manual adjustment. Intelligent overpressure also has the overcurrent protection, when manually select the wrong time, it will automatically shutdown. This portable solar charger also comes with a voltage selection button to ensure full compatibility with a wide variety of electronic products, such as MP3/MP4 players, portable DVD players, cell phones, or any other USB powered device using the built-in 5V USB port.
|Laptop Solar Charger|