| Letters from our readers.
More about Battery (451)
| Letters from our readers.
| Letters from our readers.
| A microprocessor-controlled charger is described that surely meets the requirements of most users of NiCd batteries. It is fast, suitable...
| 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...
| 9 V BATTERY LlFE EXTENDER rten an equipment is supplied by O a battery whose nominal voltage 01 1N4002. L1 is only slightly high er than the...
| 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...
| Batteries often go flat at the most inopportune moments. What's more, frequently, this is not detected until it is too Iate, but this ca...
| The motive-battery charger has met with great interest, particulary among owners of motor cycles. In response to many requests from owner...
| 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...