I have a main circuit board in a machine that over a year or two eventually drains a 3.6v lithium AA size down to 1.4V. This battery has a wire soldered at each end which is then soldered to two ...

This is probably fairly straightforward for an EE to weigh in on so I thought I’d post this question here for posterity in the hopes that it’ll solve the issue for other designers. The challenge is ...

I seem to recall a question like this in an introductory physics textbook. The basic idea was that your car has a 12-volt battery that is used to start the engine, right? Well, 8 D-Cell batteries in ...