All items tagged with solar and Power (53)

1-07-2005 | This circuit was designed to ‘baby-sit’ SLA (sealed lead-acid or ‘gel’) batteries using freely available solar power. SLA batteries suffer f...

1-06-2005 | Complicated charge controllers and inverter circuits can be used to squeeze the last drop of energy out of a solar panel. Contrary to popula...

1-06-2005 | During the summer months they appear again all over the place: those solar powered garden lights. During the day they store the captured sol...

1-07-2004 | This is a simple NiCd battery charger powered by solar cells. A solar cell panel or an array of solar cells can charge a battery at more tha...

1-12-1999 | Apart from the sun, solar power systems cannot work without a reflow protection diode between the solar panel and the energy store. When c...

1-12-1995 | This circuit, a. d.c.-d.c. converter, is intended to charge environment-friendly batteries in and environment-friendly way. lt is based...

1-07-1994 | A battery of solar cells can recharge a NiCd battery with better than 80%, efficiency, provided the solar battery voltage exceeds the fu...

1-07-1992 | Although newer types of solar cell have come to the fore recently, amorphous cells are bound to be with us for some time to come, mainly...

1-07-1992 | In most small solar power systems using a boiler it is required that the water circulation pump is not switched on until the temperature...

1-11-1990 | This article describes a miniature medium-wave band receiver powered by a solar cell. The circuit is based on a single integrated circuit,...