subject: How to Keep your laptop battery healthy? [print this page] Ni-Cd and Ni-MH batteries should be disposed of property. Do not throw these batteries in the trash. Ni-Cd batteries are composed of approximately 20% cadmium, an extremely hazardous element which is environmentally detrimental. While Ni-MH batteries are environmentally friendly, the higher capacity Ni-MH cells still contain trace amounts of cadmium. Be environmentally conscious. Recycle your batteries.
