This solar cell kit has been put together to provide a renewable power source for the Kitronik Environmental Control Board. Harness the energy of the sun to power your projects. The kit comprises 3 x AA Ni-MH 1300mAh Rechargeable Batteries and a 5.0V 130mA Polycrystalline Solar Cell. The Environmental Control Board comes supplied with its own onboard battery holder and also a terminal block for attaching solar cells. This add on pack provides everything you need to take advantage of these features, enabling you to make use of sunlight as a power source. Firstly, insert the batteries and then attach 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: * Maximum current: 130mA. * Maximum power: 0.65W.Rechargeable Batteries Features: * The batteries are rechargeable making them a cost-effective and greener way of powering your projects. * They have a capacity of 1300mAh and a nominal output of 1.2V. * They are of a Nickel Metal Hydride construction. * They have no charging memory effect. * AA Battery type. Contents: * 3 x AA Ni-MH 1300mAh Rechargeable Batteries. * 1 x 5.0V 130mA Polycrystalline Solar Cell.