FIELD: electricity.
SUBSTANCE: device is designed to direct electricity to the lantern and reduce the amount of energy, sent to the lantern as a function of the available electrical power in the source. Thus, reducing the available power in the source causes a smaller decrease in the brightness of the lantern. This can be achieved by the electricity passing through a passive circuit of resistors and diodes on its way to the lantern. In one example, the power source may be a battery that is powered by one or more solar panels. In this case, the device can also perform the function of protecting the battery from excess charge.
EFFECT: device reduces the daily power consumption of the lantern, exceeding the consumption with daily electrical charging from solar panels, when the available battery power is close to its full capacity.
17 cl, 5 dwg, 1 tbl
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