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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.
Also both Dell Inspiron 560 and Inspiron 570 uses 300w power supplies and a 3-V CR2032 lithium coin-cell battery. Physically, the Dell Inspiron 560 and Dell Inspiron 570 are 375.92 mm (14.80 inches) in height, 176.02 mm (6.93 inches) in width, 442.98 mm (17.44 inches) in depth and 7.9 kg (17.4 lb) in weight.
Coin cells of various diameters and thicknesses. Coin-shaped cells are thin compared to their diameter. Polarity is usually stamped on the metal casing. The IEC prefix "CR" denotes lithium manganese dioxide chemistry. Since LiMnO 2 cells produce 3 volts there are no widely available alternative chemistries for a lithium coin battery. The "BR ...
Since these IEC and ANSI battery standards have been harmonized, for example, an R20 cell will have the same dimensions as an ANSI 13 cell. Flat cells, used as components of multi-cell batteries, have an F prefix and a series of numbers to identify sizes. Coin cells were assigned size codes in the 5000 range.
Cell chemistry Also known as Electrode Rechargeable Commercialized Voltage Energy density Specific power Cost † Discharge efficiency Self-discharge rate Shelf life Anode Electrolyte Cathode Cutoff Nominal 100% SOC by mass by volume; year V V V MJ/kg (Wh/kg) MJ/L (Wh/L) W/kg Wh/$ ($/kWh) % %/month years Lead–acid: SLA VRLA PbAc ...
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Several sizes of button and coin cells, some of which are silver oxide. A silver oxide battery (IEC code: S) is a primary cell using silver oxide as the cathode material and zinc for the anode. These cells maintain a nearly constant nominal voltage during discharge until fully depleted. [2]
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