What type of equipment is best to use for low-voltage test of battery cells? What is an electronic load, and how does it work? How to overcome a major limitation with the low-voltage-discharge test.

Common traits of digital multimeters (DMMs). Classifying DMMs by their amount of digits. What role do digitizers play in making voltage measurements? Measuring voltage may be the most basic ...

Whether you use a high-end or budget device, its battery degrades over time. Knowing its status is vital, especially if you plan to trade in or sell your phone. You might also need to check the ...