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51027859-393
Non-Rechargeable Battery, Watch, Single Cell, Silver Oxide, 80 Mah, 1.55 V, Sr48, Flat Top, 7.9 Mm Rohs Compliant: Na
Contact plating (finish) provides corrosion protection for base metals and optimizes the mechanical and electrical properties of the contact interfaces.
RATED voltage is the voltage on the nameplate - the "design point" for maximum power throughput and safe thermal operation.
The current rating of a contact is defined as the current level that creates a certain temperature rise of the contact spring — usually 20°C or 30°C. Both electrical and thermal factors govern the heat created by the current.
A battery is a device that stores chemical energy, and converts it to electricity. This is known as electrochemistry and the system that underpins a battery is called an electrochemical cell. A battery can be made up of one or several (like in Volta's original pile) electrochemical cells.
The outer diameter (OD) of a hollow circular pipe is the measurement of the outside edges of the pipe passing through its center.
The most common lithium-ion cell is the 18650 (the numbers define the physical dimensions and shape as follows: 18mm in diameter, 65mm long and the 0 means it has a round cross-section) which is due to its widespread use in laptop battery packs.