C-Rating Charging

Battery C-Rating: What You Need to Know

When it comes to batteries, you’ve probably heard the term “C-rating” thrown around. But what does C-rating mean, and why is it important? What is C-Rating? The C-rating of a battery is a critical specification that tells you how much current the battery can safely deliver. It’s typically expressed as a number followed by a “C,” such as 20C or 50C. This number represents a multiple of the battery’s capacity (in ampere-hours, or Ah) that can be safely drawn from it. For example, if you have a C20 rated 12v…

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