WHAT’S CURRENT WITH YOUR BATTERY

What’s the new tech on the horizon?

We’ve been using lithium-ion batteries for over a dozen years now. Physicist John Goodenough is credited with the identification and development of the Li-ion battery, and it powers much of what we use today—from laptop computers to power tools to Tesla vehicles to most electric bikes. Interestingly, most all of these devices use the same cells, called an 18650 Li-ion battery, so named because it is 18mm x 65mm in size.

The automaker Tesla uses about 7000 of them to power a Model S. By using so many batteries, they can have a significant amount of storage capacity, which is why they have great range and power and why the upper-end models can accelerate to 60 mph faster than a Ferrari.

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