The outer enclosure is constituted by a sturdy Gratnells tray. Several solar collectors can be stacked for storage.
Specifications
Area of absorber: 0.059 m2
Mass of absorber: 102 g
Material of absorber: Al
Thermal resistance: 3.5 K/W
(With lid closed)
Volume of container: 60 mL
(The amount of water should be measured)
Total size (L x W x H): 431 x 312 x 76 mm

