Overview of the Adafruit Universal USB / DC / Solar Lithium Ion / Polymer charging agent Load options: Supports USB, DC and solar with an input voltage range of 5-10V. Load control: Suitable for 3.7V/4.2V lithium ion or lithium polymer batteries. Solar operation: Optimal with 6-10V solar modules, 6-7V are recommended for increasing efficiency. Load indicator: Two-colored LED for displaying operations and charging. Load division: Automatic load layout with prioritization of the input current to protect the battery from constant loading and unloading. Output voltage control: Ensures that the output power never exceeds 4.4V, which it certainly makes for 3.3V or 5V working circuits. Accesories: Comes with a installed charging board and some header; Lipoly battery or solar panel are available s.
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