Battery Basics
Battery Construction
Voltage
Acronyms
Acronyms Explained
100

The positive post on a battery is labelled with this symbol.

What is a plus sign?

100

Repeated charging and discharging of a battery is known as this.

What is battery cycling?

100

A fully charged battery should read this on a voltmeter.

What is 12.6 Volts?

100

CCA on a battery stands for this.

What are Cold Cranking Amps?

100

The cold cranking amp rating determines how much current (in amps) the battery can deliver at 0 degrees Fahrenheit for this many seconds.

What is thirty?

200

The negative battery cable is usually this colour.

What is a black?

200

A battery produces this type of electricity.

What is direct current (DC)?

200

The positive cable is normally red and fastens from the battery to this.

What is a starter solenoid?

200

RC on a battery stands for this.

What is Reserve Capacity?

200

The reserve capacity rating is the time (in minutes) needed to lower battery terminal voltage below this many volts at a discharge rate of 10.2 amps.

What is 10.2 volts?

300

The electrolyte is a mixture of water and this chemical.

What is sulphuric acid?

300

This is usually made of high quality plastic that holds the elements and electrolyte.

What is a battery case?

300

The negative cable is usually black and connects to ground on this.

What is the engine block?

300

AH on a battery stands for this.

What is an Amp Hour?

300

A maintenance free battery is easily identified because it does not have these.

What are removable caps?

400

This is an electrochemical device that produces and stores electricity.

What is a battery?

400

This type of water is used in automotive batteries because it does not contain the many impurities of tap water.

What is distilled water?

400

This holds the battery securely and prevents it from bouncing around during vehicle movement. 

What is a battery tray and retainer?

400

AGM on a battery stands for this?

What is Absorbent Glass Mat?

400

The amp hour rating is a measurement of how much current the battery can produce for 20 hours at this temperature.

What is 80 degrees Fahrenheit?

500

This consists of a negative plate, positive plate, container and electrolyte.

What is a battery cell?

500

A battery charge indicator, also called a battery eye or test indicator shows the general charge condition of a battery. What colour indicated a fully charged battery?

What is green?

500

A 12.6V battery has 6 cells. What would the voltage be for each cell?

What is 2.1 Volts?

500

MCA on a battery from a boat stands for this?

What are Marine Cranking Amps?

500

Any normal accessory circuit current draw present when all electrical devices are shut off is referred to as this.

What is parasitic load?

M
e
n
u