In the event of a natural disaster it’s not unlikely that the power would go out. While in some areas energy can quickly be restored, in others, the long wait in the dark can become uncomfortable.
I was skeptical of this inflatable solar-powered lantern, but it's become a staple ...
These days, we are highly dependent on our smartphones that cannot do anything without them. What if there is no power and your smartphone's battery dies? Of course, there are are power banks that can ...
Here is the simple solution to make an automatic solar powered led lamp. It automatically switches on two high power White LEDs in the evening and stays on for 6 hours using a 6 volt 4.5 Ah ...
A solar day lamp is a simple, inexpensive device for bringing “daylight” to dark interior spaces whenever the sun is shining. This article provides complete instructions for designing lamps using both ...