These are the best portable chargers for charging speed and portability from CR's tests. These power banks are a lifeline ...

If you own a laptop that’s got a few years on the clock, you’ve probably contemplated getting a replacement battery for it. Which means you also know how much legitimate OEM packs cost ...

They might not charge any faster, but they will be recharged more times if you pick a high-capacity battery pack. The Anker Prime 27650mAh Power Bank is one of the most powerful laptop power banks ...

In this course, you will learn how to design balancing systems and to compute remaining energy and available power for a battery pack. Prior knowledge needed: ECEA 5730, ECEA 5731, ECEA 5732, ECEA ...

Inside any laptop battery pack, a battery charge controller keeps watch over all the little cells, and prevents them from getting damaged. Of course, any “smart” device will sometimes make the ...