Solar day lamps (SDL) are simple and cost-effective. A few examples of SDLs have been described in [1], [2] and [3]. An SDL without any energy storage element suffers from frequent changes in the ...
IKEA has collaborated with Little Sun to develop two new solar LED lamps under the SAMMANLANKAD moniker. The table and ceiling solar LED lamps will enable Little Sun to scale up the coverage of its ...
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