More about battery (491)

1-12-1991 | Simple battery chargers and power supplies are not normally provided with a current Iimiter. In many cases, however, it would be advanta...

1-07-1991 | Siemens Type 5AB0529 IC may be programmed for periods from 1 second to 31 hours 30 minutes. lt may be used for switching staircase lights...

1-07-1991 | The battery charger shown in the diagram may be used to charge a battery or batteries with a total nominal voltage of 12 V (that is, ten...

1-07-1991 | A frequent annoyance with battery-operated equipment is that just after you switch it on you notice that the battery is fIat. Quite proba...

1-07-1991 | This little circuit switches off the equipment in your audio rack when this has not produced sound for some time.

1-07-1991 | The charger deseribed switches off the charging voltage when the battery reaches its full nominal voltage and switches it on again when...

1-07-1991 | Everyone should clean his teeth a tleast a couple of times a day. Dental research shows that cleaning one's teeth for three minutes at a...

1-07-1991 | Keeping your car battery constantly charged when the car is not in use appreciably increases the life of the battery. Charging is, of co...

1-06-1991 | Ni-Cd batteries are now used in so much everyday equipment that most households need at least one suitable charger. The one presented her...

1-05-1991 | This month we describe a useful little instrument that gives a clear condition indication for the most popular types of dry battery. Based...