Battery-capacity testing is an essential part of battery maintenance. But how do you do it effectively? How do you know your UPS will have "enough battery" to provide the electricity your operations ...

In today’s boats, electric power rivals the importance of engine horsepower. Even the electronic control unit on today’s marine engines—that brain that makes outboards and inboards do what we want ...

Batteries and energy cells lose their capacity as they age. If a cell or battery’s capacity is too low, your equipment may also soon stop working. You can use the circuit in Figure 1 to measure a ...

Some microcontrollers permit operation below a supply voltage of 3V. This feature allows powering directly from a 3V alkaline or lithium battery without the voltage drop and leakage current of a ...