The symbols shown on the batteries. The crossed-out wheelie bin symbol means that the battery should not be disposed of in household waste. Pb = Battery contains more than 0.004 percent lead by mass. Cd = battery contains more than 0.002 percent cadmium by mass.
Hg = Battery contains more than 0.0005 percent mercury by mass. The symbols shown on the batteries The crossed-out wheelie bin symbol means that the battery should not be disposed of in household waste Hg = Battery contains m.