| 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...
| 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...
| This nickel-cadmium (Ni Cd) battery charger is capable of charging up to eight cells individually. The power semiconductors needed to acco...
| 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...
| 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...
| 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...
| Fast charging high-capacity NiCd batteries with large currents does not only save time, but also prolongs their useful life. Moreover, if...
| The perpetual difficulty in designing fast NiCd chargers is determining when the battery is charged, that is, when to stop charging.
| The regulated power supply and four identical current sources shown in the diagram enable the simultaneous charging of four 9-volt NiCd b...
| The charger deseribed switches off the charging voltage when the battery reaches its full nominal voltage and switches it on again when...
| Keeping your car battery constantly charged when the car is not in use appreciably increases the life of the battery. Charging is, of co...