Parasitic drains can be extremely annoying, but they're not impossible to identify. Here are some ways to find a parasitic ...

If your battery is dying on you, the cause might be what's known as parasitic drain. Here's what it is, how it happens, and ...

Every car needs a battery to help it start and power its electronics. Here's how many volts this all-important component ...

How to use Windows 11's hidden battery health tool to diagnose your PC (before it's too late) ...

Your car's battery is an essential component that many drivers simply don't think about much, but some simple steps can help ...

Even the best power meters, such as Favero’s Assioma PRO pedals or Quarq’s DFour DUB spider, are typically only accurate to + ...

This simple tools allows you to troubleshoot nearly any RV or camper problem, potentially saving you a lot of time, hassle, and money in replacement parts.

The MM67 is an auto-ranging True RMS Multimeter, ideal for troubleshooting electrical systems. It measures AC and DC voltages ...

Phone battery life has always been important, but which brands consistently offer the longest battery life? After extensive testing, we've found the two leaders.

Despite their limited use for testing wall chargers and power banks, USB inline testers let you compare power sources. In three videos, we take you through their features, and we also try an inline ...

Ready to drop disposable alkaline batteries for rechargeable AAs and AAAs? Not so fast, you first have to figure out which brand is best for you.