Solar Charger Shield V2.2

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This solar charger is a stackable shield for Arduino boards. A simple and easy way of taking your Arduino project off the grid! The Solar Charger Shield connects to a solar panel and a rechargeable battery. The shield handles all the charging and discharging of your lithium ion battery. You may use various batteries that has the voltage of 3.0V-4.2V to shift up for 5V output, or connect a rechargeable Li-ion battery and a solar panel to form an autonomous sensor unit.


  • Short circuit protection

  • Max 3W (5V 600mA) output when battery is connected

  • Continuous Charge Current Up to 900mA

  • Battery status indication ( Red : Charging , Green: Charged )

  • Micro-USB port to charge battery



  • Battery input voltage: 3.0~4.5V

  • USB input voltage: 4.75~5.25V

  • Solar input voltage: 4.8~6V

  • Maximum Output Power(with battery): 3W(600mA@5V)

  • Ripple voltage<100mV @ 500mA

  • Dimensions: 68 x 53mm

Getting Started Guide:

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