Rectifier method

Trickle charging method

Constant current method

Constant potential method

Changing with new electrolyte

Replacing with new electrodes

Recharging the battery for a longer period at low current

Recharging the battery for short period at high current

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