If necessary, the distilled water needs to be refilled. Since the batteries are always made up of interconnected single cells, this work can be very time consuming, especially for larger storage units. Such lead-acid storage units must be set up within a special tub.
The battery needs ventilation, too
In addition, lead storage units need to be ventilated, because the acid slowly decomposes as part of the process of energy conversion. As a result, they give off hydrogen to their surroundings. The ventilation pipe must have a sufficient cross-section. Also, the utility room of the lead-acid battery needs to be well-ventilated. (HS)
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Storage advice: Know the capacity of a lead battery
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