How To Use Batteies For Safe

Batteries are safe, but precaution applies when touching damaged cells and when handling lead acid systems that have access to lead and sulfuric acid. Several countries label lead acid as hazardous material, and rightly so. Let’s look at the hazards if not properly handled.

Lead is a toxic metal that can enter the body by inhalation of lead dust or ingestion when touching the mouth with lead-contaminated hands. If leaked onto the ground, the acid and lead particulates contaminate the soil and become airborne when dry. Children and fetuses of pregnant women are most vulnerable to lead exposure because their bodies are developing. Excessive levels of lead can affect a child’s growth, cause brain damage, harm kidneys, impair hearing and induce behavioral problems. In adults, lead can cause memory loss and lower the ability to concentrate, as well as harm the reproductive system. Lead is also known to cause high blood pressure, nerve disorders, and muscle and joint pain. Researchers believe that Ludwig van Beethoven became ill and died from lead poisoning.

Cadmium, which is used in nickel-cadmium batteries, is considered more harmful than lead if ingested. Workers at NiCd manufacturing plants in Japan have been experiencing heath problems from prolonged exposure to the metal, and governments have banned the disposal of nickel-cadmium batteries in landfills. The soft, whitish metal that occurs naturally in the soil can damage kidneys. Cadmium can be absorbed through the skin by touching a spilled battery. Since most NiCd batteries are sealed, there are no health risks in handling them. The caution applies when working with an open battery.

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Nickel-metal-hydride is considered non-toxic and the only concern is the electrolyte. Although toxic to plants, nickel is not harmful to humans. Lithium-ion is similarly benign — the battery contains little toxic material. Nevertheless, caution is required when working with a damaged battery. When handling a spilled battery, do not touch your mouth, nose and eyes, and wash your hands thoroughly.

Keep small batteries out of children’s reach. Children younger than four are most likely to swallow batteries, and the most common types are button cells. The battery often gets stuck in the esophagus (the tube that passes food) and the electrical current burns the surrounding tissue. Doctors often misdiagnose the symptoms, which can show as fever, vomiting, poor appetite and weariness. Batteries that make it through the esophagus often move through the digestive tract with little or no lasting damage. The concern of a parent is not only to choose safe toys, but also to keep small batteries away from young children.