Spanner for heating up/lighting up with solar collectors has a handle, a head part, solar collectors to capture solar energy, a storage device and a light
摘要
<p>A solar collector (14) fits in the center of a spanner's handle (11) and can capture solar energy to convert it into a current. It consists of an absorber (141), a storage device (142) and a current through-wire (143) linked to a lighting device (144) like an LED/halogen bulb fed with current kept in the storage device.</p>
