In some cases facilities maintain large banks of lead acid batteries that are used to provide backup power to critical systems during an emergency. Vibrations, static electricity, temperature and pressure variations can cause items to leak, generate toxic fumes, start a fire, or even explode if. 12v 50a Lithium Ion Battery Charger There are four main hazards associated with batteries: Are battery chargers hazmat . If using a 600 charger, the battery will need 1 hour and 12 minutes for full charge. “dry cell” batteries , such as alkaline, nickel cadmium, and carbon zinc are not listed as hazardous materials or dangerous goods in the u.s. That following safety precautions will keep them safe when charging or changing batteries. The two primary risks are from hydrogen gas formed when the battery is being charged and the sulfuric acid in the battery fluid. Recently i had to return electric lift trucks and extra batteries to the lease company. May 23, 2007 by lawrence w. ...