More about battery (486)

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...

1-12-1990 | There are many tirnes that a designer needs to know the value of the internal resistance of a battery. There are quite a few testers that...

1-12-1990 | Applications for this mechanically set and reset bistable are found, among others, in anti-theft devices and model railway crossings.

1-12-1990 | The portable carger is intended primarily to give model enthusiast the opportunity of charging their NiCd betterles from Cl car battery o...

1-12-1990 | The "portable battery charger" described earlier in this supplement may be extended by a current source that ensures a constant current t...

1-12-1990 | Signetics' Type NE575 compander IC is intended primarily for use with battery power supplies of 3-7 V (max. 8 V). lt draws a current of 3...