All items tagged with Battery and charger (89)

1-12-1993 | When batteries are charged rapidly. the manufacturer usually recommends that after every fifth fast charge there ts a 'normal' charge, th...

1-12-1993 | Nickel-metal-hybride (NiMH) batteries have now become widely available. A typical one is the 120AAH, which has a capacity of 1.2 Ah in si...

1-10-1993 | This nickel-cadmium (Ni Cd) battery charger is capable of charging up to eight cells individually. The power semiconductors needed to acco...

1-07-1993 | To make sure that a lead-acid battery (whether standard or sealed) is always fully charged, a constant voltage should be applied to it. C...

1-02-1993 | The battery charger takes its name from the IC it ts based on: the well-known Type U2400B processor. This IC was designed primarily for u...

1-12-1992 | The charger makes cunning use of the properties of a Type 555 timer. The tnternal window comparator of the lC is set to 4.7 V by zener dio...

1-12-1992 | Fast charging high-capacity NiCd batteries with large currents does not only save time, but also prolongs their useful life. Moreover, if...

1-07-1992 | The perpetual difficulty in designing fast NiCd chargers is determining when the battery is charged, that is, when to stop charging.

1-12-1991 | The regulated power supply and four identical current sources shown in the diagram enable the simultaneous charging of four 9-volt NiCd b...

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