Ten homes at risk as experts flag dangers of poorly installed solar batteries

Safety experts have warned Nigerian households using solar power systems to reassess how they install and maintain lead-acid tubular batteries, citing risks from toxic exposure and gas emissions. The alert follows growing adoption of solar energy due to persistent national power shortages. These batteries, commonly used in low-cost setups, can release harmful gases during charging and contain lead, a toxic metal linked to brain and kidney damage. Exposure may occur through leaks, damaged casings or improper handling during maintenance and disposal.

Symptoms of lead poisoning, such as headaches, fatigue and memory issues, often go unnoticed in early stages and may not be traced back to battery use. Children are especially vulnerable, with health specialists noting potential impacts on growth, learning and cognitive development. In many homes, batteries are stored in poorly ventilated spaces like living rooms, kitchens, under staircases or even bedrooms, increasing health risks. Proper ventilation, overcharge protection and regular inspections are recommended but frequently ignored after installation.

Experts advise placing batteries in separate, well-ventilated rooms and consulting certified technicians on safety protocols. They also recommend phasing in lithium batteries, which are safer and increasingly affordable, as an alternative. Used lead-acid batteries should be handed over to certified e-waste handlers, but Nigeria's weak electronic waste management systems make safe disposal a challenge. Informal recycling and improper disposal can spread lead into soil and water, posing wider community health risks.

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