enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. Button cell - Wikipedia

   en.wikipedia.org/wiki/Button_cell

   Button, coin, or watch cells. A button cell, watch battery, or coin battery is a small battery made of a single electrochemical cell and shaped as a squat cylinder typically 5 to 25 mm (0.197 to 0.984 in) in diameter and 1 to 6 mm (0.039 to 0.236 in) high – resembling a button.

3. Silver oxide battery - Wikipedia

   en.wikipedia.org/wiki/Silver_oxide_battery

   Silver oxide battery used to power a quartz watch movement; battery is marked as containing no mercury Until 2004, all silver oxide batteries contained up to 0.2% mercury , incorporated into the zinc anode to inhibit corrosion from the alkaline environment. [ 12 ]

4. Nickel–cadmium battery - Wikipedia

   en.wikipedia.org/wiki/Nickel–cadmium_battery

   Ni–Cd batteries contain between 6% (for industrial batteries) and 18% (for commercial batteries) cadmium, which is a toxic heavy metal and therefore requires special care during battery disposal. In the United States , the expected battery recycling cost (to be used for proper disposal at the end of the service lifetime) is rolled into the ...