Laptop Batteries – Charging Lithium Ion Laptop Computer Batteries

Charging laptop computer batteries used to be easy in the good old days of Nickel Cadmium technology and lead acid cells. All you had to do was build a circuit that would adjust the voltage in such a way that the charging current did not exceed 50% of the laptop battery’s milliAmp hour (mAh) capacity. […]

Laptop Batteries – How does a Laptop Battery work?

Just like their AA, AAA, and C cell cousins, laptop batteries create an electrochemical reaction that forces a stream of electrons from one place to another. And just like household batteries, laptop batteries have a positive and negative terminal where electrons are received and sent, respectively. Laptop batteries, however, have unique characteristics compared to household […]

Laptop Computer Battery Power – An Overview of Laptop Batteries

If you live laptop batteries like we do, then you can reel off a ton of details about the unsung heroes of the mobile computing revolution. We’re so into this stuff that many of our family members have had to beg us to stop talking laptop batteries and the wonders of a PA2487U, an 02K7054, […]

Discount Laptop Batteries: The “Refurbished” Laptop Battery Myth

Some laptop battery vendors offer refurbished discount laptop batteries for sale, claiming that most or all of the useful life of the laptop battery has been restored. Why would customers take the risk? Price. Refurbished items are generally cheap laptop batteries that are sold at a fraction of the cost of a new laptop battery. […]

Laptop Computer Batteries: Volts, Amps and MilliAmp Hours (mAh)

All laptop computer batteries have electrical specifications that include its volt and milliAmp hour rating. These terms are abbreviated as we see in the following example: 10.8V, 4000mAh What do these terms mean, and why should you care about the specifications of laptop computer batteries? Volts – or V – are an electrical measure of […]

Lithium Ion Notebook Battery Cells – What’s Inside Notebook Batteries?

Have you ever wondered what’s inside notebook batteries? Hopefully, you’ve resisted the temptation to crack the notebook battery open, since that not only voids any warranty you have, but can also be quite dangerous. Since our trained technicians have opened several notebook batteries in the safety of our lab, we thought we should share what […]