S20 E22 Fireplace Repairs Simple Clog Fixes
In this episode: Master electrician Heath Eastman brings us to the Tool Lab to explain everything we’ve ever wondered about power tool batteries. With a brief history of the evolution of power tool batteries, Heath shows us what they look like inside and explains how manufacturers calculate battery voltage. And voltage isn’t everything. Heath teaches us what amp-hours mean and how they affect how power tools run. To demonstrate, Heath gives us a first-hand look at the difference between what two 18-volt batteries can do based on their amp-hour rating....