Battery Charging Areas

Be safe in your workplace.

When batteries are recharged, they produce hydrogen gas that is explosive at certain concentrations in the air. Many workers may not realize the danger of batteries as it is a common activity. Hydrogen gas generated charging the battery and sulfuric acid in the battery fluid are dangerous.

Sulfuric acid used as an electrolyte is the acid used in lead-acid batteries is corrosive. If a worker faces sulfuric acid, their skin may burn. If sulfuric acid is splashed into the eyes, inhaled, or swallowed, serious damage to the eyes, respiratory system or digestive system can occur. As with any corrosive chemical, proper handling procedures must be followed to avoid contact with the liquid. If contact with acid occurs, rinse the area immediately with clean and calm water for at least 30 minutes.

Battery charging may also generate hydrogen and oxygen gas, which can cause adverse effects for employees. However, in the distribution environment, air quality is often overlooked, especially in older facilities or those whose growth has outperformed safety functions.

If the hydrogen level exceeds 4% of the volume in the zone, the general atmosphere can become explosive. It is therefore recommended that the hydrogen concentration never exceed 1% of the available volume. Adequate ventilation must be provided to keep the hydrogen level below 1%.

Depending on the metal alloy composition in lead-acid batteries, a charged battery can create two highly toxic by-products: AsH3 and SbH3. Generally, these metal hydrides are present in small amounts. However, it strengthens the need for ventilation systems. The ventilation system is very important to prevent an explosion. Also, flames, lit cigarettes, or other sources of ignition should not be allowed in the area. Charging stations should be placed in a separate fire compartment to minimize smoke damage during production and storage. The battery charger should never be placed in an area where there is a risk of explosion, for example where flammable liquids are used.

Batteries come in many shapes and types. While these hazards are common for all lead-acid batteries, they can be specific to the types of batteries used. These dangers should be calculated and definitely checked with ambient gas detectors. We can offer you the most suitable solutions for these gases.