More about battery (486)

1-06-1997 | The ignition warning light in a car indicates whether the battery is being charged or not (and indeed whether it is connected properl...

1-03-1997 | Testing and faultfinding of audio equipment and low-frequency test instruments is all but impossible without a good signal generator. T...

1-03-1997 | To design a battery charger with switching regulators you need quite a few flat batteries and the patience of Job. When you come to c...

1-02-1997 | Following the detailed description of the preamplifier in last month's installment, this second and final part of the article deals with t...

1-01-1997 | This preamplifier is intended for those audio enthusiasts who are interested in only the best. Its discrete design produces distortion...

1-12-1996 | There has always been doubt about the claims that dry alkaline manganese batteries could be revived by charging, especially since manu...

1-12-1996 | The battery indicator lamp on the dashboard of cars lights when the car's battery is not being charged. The present circuit has a simila...

1-12-1996 | After a battery has been discharged, it is often found that tbe separate cells have been discharged to different values. This is, of cou...

1-09-1996 | As described elsewhere in this issue, lithium-ion batteries are among the newest on the market. Because of their low weight, however,...

1-07-1996 | Many camcorder enthusiasts use their spare battery for powering video lights. Many such lights give no indication when the hattery has g...