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2. 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 ...

3. Comparison of commercial battery types - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_commercial...

   This is a list of commercially-available battery types summarizing some of their characteristics for ready comparison. ... Nickel–cadmium: 70–90 500 [25] Nickel ...

4. List of battery sizes - Wikipedia

   en.wikipedia.org/wiki/List_of_battery_sizes

   Rechargeable nickel–cadmium and nickel–metal hydride are far less common than other rechargeable sizes. [63] Mercury batteries of the same dimensions are no longer manufactured. A21: A21 11A E11A MN11 L1016 4LR23 V11GA LR1016 4LR932 (alkaline) 1811A (alkaline) 6135-99-665-9374 [64] 55 (alkaline) 6: 10.3 × 16.0

5. History of the battery - Wikipedia

   en.wikipedia.org/wiki/History_of_the_battery

   The first consumer grade nickel–metal hydride batteries (NiMH) for smaller applications appeared on the market in 1989 as a variation of the 1970s nickel–hydrogen battery. [27] NiMH batteries tend to have longer lifespans than NiCd batteries (and their lifespans continue to increase as manufacturers experiment with new alloys) and, since ...

6. List of battery types - Wikipedia

   en.wikipedia.org/wiki/List_of_battery_types

   Nickel–cadmium battery vented cell type; Nickel–hydrogen battery; Nickel–iron battery; Nickel–lithium battery; Nickel–metal hydride battery. Low self-discharge NiMH battery; Nickel–zinc battery; Organic radical battery; Polymer-based battery; Polysulfide–bromide battery; Rechargeable alkaline battery; Rechargeable fuel battery ...

7. Nickel–iron battery - Wikipedia

   en.wikipedia.org/wiki/Nickel–iron_battery

   Jungner's work was largely unknown in the US until the 1940s, when nickel–cadmium batteries went into production there. A 50 volt nickel–iron battery was the main D.C. power supply in the World War II German V-2 rocket, together with two 16 volt batteries which powered the four gyroscopes (turbine powered generators supplied A.C. for its ...