Time to Charge your Battery Are you aware of all the hazards that could occur when you service, charge or jump the common lead-acid battery found in cars and trucks? You can protect yourself by following a few common sense safety rules: Fire Protection: Lead-acid batteries produce flammable hydrogen gas when being charged. This highly explosive gas, generated within the cells, will expand and seep out of the vent caps. A cigarette, tool, or spark from any source could ignite the gas, causing the battery to explode. Always charge in a well ventilated area. Remember that the battery is receiving a charge...