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03.13 EN

Z The electrolyte temperature rises by approx. 10 K during charging. Charging should

therefore only begin when the electrolyte temperature is below 45°C. The

electrolyte temperature of batteries must be at least +10°C before charging.

Otherwise the battery will not charge correctly. Below 10°C the battery is

insufficiently charged with standard charging systems.

Charging the battery

Requirements

– Electrolyte temperature min. 10°C to max. 45°C

Procedure

• Open or take off the tray lid or covers from the battery compartment.

Z Deviations are outlined in the truck's operating instructions. The plugs remain on

the cells or remain closed.

• Connect the battery to the switched off charger, ensuring the terminals are connect

(positive to positive and negative to negative).

• Switch on the charger.

Battery charged

Z Charging is considered to be complete when the electrolyte density and battery

voltage remain constant for more than 2 hours.

Compensation charging

Compensation charging is used to ensure the useful life and maintain capacity after

full discharge and repeated insufficient charging. The maximum compensation

charge current is 5 A/100 Ah rated capacity.

Z Compensation charging should be carried out weekly.

Trickle charging

Battery trickle charging is partial charging that extends the daily application time.

Higher average temperatures occur during trickle charging which reduce the useful

life of the batteries.

Z Trickle charges should only be performed when the charge level is below 60 %. Use

replacement batteries instead of regular trickle charging.