Battery Basics
The U In Your UPS Is The Battery
An uninterruptible power supply system (UPS) is loosely divided into three parts. These components are…
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Battery Basics
Battery Basics
Alternating Between Types of Electric Current
There are two kinds of electric current invented – or should we say discovered –…
Battery Basics
Direct and Alternating Electric Current Compared
We have direct and alternating electric current thanks to Edison and Westinghouse competing for space…
Battery Basics
Electrical Polarity: What Is This All About
The term ‘polarity’ refers to opposite poles, or contradictory tendencies. We could if we liked…