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set number: 9667set name: LEGO® solar panel
theme: technic, mindstorms
year: 2010
piece: 1
price: us$41
minifig: none
come with a solar panel.
the panel can provide power to operate LEGO energy meter and motors.
it has 5V, 4 mA from a 60W incandescent bulb 25 cm far.
overall design is great.
must have for technic fans.