Analog Circuits Cookbook, 2nd Edition

6

Power supplies and devices

Battery-powered instruments

Battery economy

Many electronic instruments require portable operation and are therefore powered from internal batteries. This article examines the characteristics of various popular battery types and suggests ways in which their useful service life could be extended. Since the time of writing the relative costs of various cell and battery types have changed considerably, and a much wider choice of primary cells and battery types is now available

The use of batteries as the power source for small electronic instruments and equipment is often convenient and sometimes essential. The absence of a trailing mains lead (especially when there is no convenient socket into which to plug it) and the freedom ...