| 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...
More about Battery (451)
| This nickel-cadmium (Ni Cd) battery charger is capable of charging up to eight cells individually. The power semiconductors needed to acco...
| Many battery-operated appliances have an LED indicator that shows the state of the battery. If the battery is almost flat, the LED flickers....
| The monitor uses a two-digit 7-segment LED display to indicate the battery voltage. In addition to this, there are 'low and 'high' voltage...
| 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 reliability of readings of battery-operated measuring instruments depends, of course, on the state of the battery. Even simple instrum...
| Although newer types of solar cell have come to the fore recently, amorphous cells are bound to be with us for some time to come, mainly...