Using rechargeable batteries to power circuits is a proven method for providing energy to mains-independent equipment. A major disadvantage of this is that the battery usually turns out to be empty at the most inopportune moment. As a user, you are unexpectedly confronted with the fact that the circuit suddenly doesnt work any more. Sometimes this is only a minor inconvenience, but at other times it can be a catastrophe. For instance, just imagine what happens to a model airplane if the radio receiver stops working in flight due to an empty battery. We can assure you that the consequences are anything but pleasant.
Elektor is Europe's leading magazine / electronic projects & kits player. The magazine is published worldwide through subscription, news stands and bookshops. The aim of Elektor is to supply innovative information to professionals looking for education, entertainment and inspiration in the field of electronics, both within and beyond their professional activities.