Our Virtual Academy has released the next two chapters in its series on 12V lead acid batteries.
An Our Virtual Academy spokesperson said: “Establishing the state of charge of a battery is the first step in assessing it’s condition.
“In part one we talk through how to do this by measuring open circuit voltage and specific gravity.
“Part two goes on to look in more detail at the two pieces of equipment that can be used to measure specific gravity – the hydrometer and refractometer.
“You will learn how to use these correctly and – importantly – safely.”
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