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Dulas, 132-litre capacity solar direct drive refrigerator,
. . . is powered directly by a solar array, and
. . . uses innovative phase change material, and
. . . insulation technology to maintain a constant temperature,
. . . without the need for a battery.

The refrigerator incorporates ground-breaking thermal energy storage technology,
. . . to maintain a temperature of between 2°C and 8°C,
. . . in extended periods of low or no sunshine.

2-29-2016 Source:  Battery-free Solar Refrigerator

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