I’ll have the pasta

Which of these characteristics are common of lithium ion batteries?

A) Charge capacity remains constant over time

B) Does not handle deep discharges very well

C) Lithium ion batteries are only available for laptop computers

D) Li-ion service life is very long

E) Their ability to hold a charge will be inversely proportional to the length of your international flight

The answer: B) Does not handle deep discharges very well

If a lithium ion battery is discharged completely, the battery cells may short-circuit and make it dangerous to charge the battery. If the voltage does get too low, built-in safety features disable the ability to charge the battery again.

Want to know more? Watch “Laptop Power Technologies.”

Laptop computers are the ultimate portable computing device, and their portability means that you’ll need to use many different power sources. In this video, you’ll learn about fixed input power supplies, auto-switching power supplies, and battery technologies.