This solar cell kit has been assembled to provide a renewable energy source for the Kitronik Environmental Control Board. Harness the sun’s energy to power your projects. The kit consists of 3 rechargeable AA Ni-MH 1300mAh batteries and a 5.0V 130mA polycrystalline solar cell The environmental control board comes with its own built-in battery case and also with a terminal block for mounting solar cells. This add-on package provides everything you need to take advantage of these functions, allowing you to use sunlight as a power source. First, install the batteries and then connect the solar cell to the terminal block with a small screwdriver. No soldering required Features: This kit provides a renewable power source for the Kitronik environmental control board No soldering required. Solar cell features No solar power is required Maximum power: 0.65W Rechargeable batteries – Features The batteries are rechargeable, making them a cost-effective and greener way to power your projects They have a capacity of 1300mAh and a nominal output of 1.2V They are of nickel metal hydride construction They have no charging memory effect AA battery type