Follow these best practices to avoid battery accidents Wear safety glasses or goggles and a face shield Make sure that the work area is well-ventilated an clean Keep the battery out of children’s reach to avoid accident Keep vent caps tight and level to avoid unnecessary accident In the event of an accident, flush with water call a physician Never lean over the battery while testing or charging it Keep all ignition sources away like cigarettes, flames Do not charge, use booster cable without experience Avoid metallic contact across the terminals as this can dangours