Energy Sensor, offers an easy way to quantify voltage, current, power, and energy output of small wind turbines and solar panels, measures the current and voltage of the system. Data-collection and analysis software
Energy Transfer Apparatus - Malvern small motor / generator, 1. 5 to 4. 5 V motor with 15 mm diameter V pulley. Mounted on base with 4mm socket terminals. Size 15 x 10 cm