Understanding Battery Power Metrics

0:49

8:33

11.1K views

At 0:49 in

What's Inside Your Power tools -the truth few people know

Watch on YouTube

What happens here

Using a car as an analogy, explain the fundamental differences between volts, amp-hours (Ah), and watt-hours (Wh) in cordless tool batteries. Volts represent the 'power' or 'engine size,' determining the tool's maximum potential output. Amp-hours represent the 'fuel tank size,' indicating how long the tool can run at a certain load. Watt-hours (Volts x Amp-hours) represent the 'miles per gallon' or total work capacity, providing a comprehensive measure of a battery's energy. Highlight how modern batteries allow for battery commonality across various tools from the same brand (e.g., Makita's 18V battery fitting multiple tools) and the benefits of dual battery chargers for faster turnaround.

Goal: Educate on cordless tool battery specifications and their impact.

Tools and materials

Makita Batteries Makita — Visual aids for battery metric explanation
Makita Chainsaw Makita — Example of a tool sharing battery with others
Makita Circular Saw Makita — Example of a tool sharing battery with others
Makita Dual Charger Makita — Demonstration of simultaneous battery charging
Makita Leaf Blower Makita — Example of a tool sharing battery with others

What they say

(419 characters)

Hide

them all right whoa guys before we get too far into today's video after we're done tearing tools apart we're gonna take about a minute to describe the difference between volts watt hours and amp hours because I don't care who you are that's confusing we're gonna use the analogy of a car to make it easy to remember so what are we waiting for let's get into it oh and now would be a good time to subscribe just get that

Auto-generated from the video audio.