An automobile lead-acid battery can be recharged, driving the chemical reaction backwards.

The 280 production workers make lead automobile batteries for Sears, Goodyear and other big customers.

The resulting craft was seven feet long, powered by automobile batteries connected to a small electric starter motor.

An automobile battery can explode and cause a sulfuric acid burn.

The device sells well, car experts say, because automobile batteries tend to die sooner than they used to.

In near-zero weather, an automobile battery loses 60 percent of its strength.

A common voltage for automobile batteries is 12 volts (DC).

When all was ready, Jarvis used a portable voltmeter to check the charge on the automobile batteries.

Recharging a dead automobile battery can now be as easy as flipping a switch.

Dual-source batteries, which have been on the market since early spring, cost $100 to $130, as against $50 to $75 for regular automobile batteries.