| Press releases from research institutions always offer tantalizing new technologies but you know there are still many hurdles along the way...
| Press releases from research institutions always offer tantalizing new technologies but you know there are still many hurdles along the way...
| A team at the University of Illinois has unveiled a battery design which offers 10 times the energy density and 1000 times faster recharge t...
| Since the introduction onto the world markets of the Li-ion battery in the early/mid 1990s, there have been no dramatic developments in batt...
| The saver is intended to prevent a battery-operated instrument such as a multimeter without an automatic off switch to be left on for day...
| This circuit, a. d.c.-d.c. converter, is intended to charge environment-friendly batteries in and environment-friendly way. lt is based...
| 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...
| 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...
