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03.13 EN

5 PzV and PzV-BS lead-acid batteries with sealed armour

plated cells

5.1 Description

PzV batteries are sealed batteries with fixed electrolytes, to which no water can be

added over the entire lifespan of the battery. Relief valves are used as plugs which

are destroyed when opened. During operation the same safety requirements apply to

the sealed batteries as for batteries with liquid electrolyte. This is to avoid electric

shock, explosion of the electrolyte charging gases or hazardous electrolyte burns if

the cell vessels are destroyed.

Z PzV batteries are low gassing, but not gassing-free.

Electrolyte

The electrolyte is sulphuric acid which is fixed in gel. The density of the electrolyte

cannot be measured.

5.1.1 Battery nominal data

1. Product Traction battery

2. Nominal voltage 2.0 V x no. of cells

3. Rated capacity C5 See data plate

4. Discharge current C5/5h

5. Rated temperature 30 °C

Limit temperature

1. Higher temperatures shorten the useful life, lower temperatures reduce

the available capacity.

45°C, not permissible as operating

temperature.

6. Rated density of the electrolyte Cannot be measured

7. System rated electrolyte level Cannot be measured