Seeed Studio (106990020) Solar Charger Shield, 3W Output, 3 V to 4.5 V

Product Information Silicon Manufacturer: - Core Architecture: - Core Sub-Architecture: - Silicon Core Number: - Silicon Family Name: - For Use With: Arduino Board Kit Contents: Solar Charger Shield V2.2 Board Product Range: - Product Overview The V2.2 Solar Charger is a stackable shield to Arduino compatible platforms, enables adaptive battery power and act as energy harvester for in-field charging. You may use various batteries that has the voltage of 3.0V-4.2V to shift up for 5V output, or put on Li-ion battery and solar panel to form an autonomous sensor unit. The maximum current provided by the board can get up to 600mA. An USB connector is also useful to charge the battery. Short circuit protection 3W output power when connecting battery Continuous charge current up to 900mA Battery status indication ( red : charging , green: charged ) Micro-USB connector USB input voltage range from 4.75 to 5.25V, solar input voltage range from 4.8 to 6V Ripple voltage is 100mV at 500mA Dimension is 68 x 53mm