| This circuit, a. d.c.-d.c. converter, is intended to charge environment-friendly batteries in and environment-friendly way. lt is based...
All items tagged with Battery and Time (31)
| Many audio circuits need a symmetric power supply of ±12 V. If such a circuit is to be used in a car, the -12 V line must be somehow deri...
| The monitor, based on Philips Components' Type TEA1041T, enables a check to be kept on the power supply lines of a battery-operated appli...
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| Systems with RAM must always be connected to a power supply otherwise the data in the memory get lost. Any break in the supply can, ther...
| The charger is designed to charge NiCd batteries with capacities of 150-4000 mAh. A potential 5 V higher than the nominal voltage of the...
| A small quartz clock that is powered by a 1.5 V battery provides a simple means of determining the capacity of a NiCd battery. The circui...
| This unit is intended as an add-on for the many lead acid battery chargers that have no charge indicator. A green LED shows that the bat...
| A part from use as a standard charger, the present unit may also be used for continuous trickle charging to keep a 12 V lead-acid battery...