Zinc

Copper

Carbon

Silver oxide

0.001182 mg/coulomb

0.01182 mg/coulomb

0.1182 mg/coulomb

1.1182 mg/coulomb

Sponge lead(Pb)

Lead peroxide(PbO₂)

Lead sulphate(PbSO₄)

Lead sulphate + water

To provide a path for electrolyte

To hold the positive and negative plate firmly

To avoid short in between the positive and negative plates

To keep positive and negative plate in a sequence array

Barometer

Hydrometer

Anima meter

High rate discharge tester