Button batteries and computer CMOS battery on the motherboard

Button batteries, also called button cell refers to dimensions as small button batteries, in general, larger diameter, the thickness is thin (compared to cells in columns, such as No. 5 on the market, AA batteries, etc.);

Button cell battery is the point of form, the same classification of the corresponding Laptop battery cells cylindrical, square battery, battery special form;

Generally speaking, there is a battery of common parts load cell and does not charge the two charges, including 3.6V rechargeable lithium-ion Button Battery (LIR Series) 3V lithium batteries, button cells ion (VL or ML series), not 3V lithium-manganese button cell battery included (CR series) and 1.5V alkaline zinc-manganese button cells (RS and SR series);

On the button batteries are most commonly used in a stack of computer motherboard CMOS, CR2032 model used in the electronic dictionary in CR2025, CR2016 for electronic table surface, or SR44, SR626 and so on;

Name of the button sony VGP-BPS2 battery model English letters in front of cell types, the figures indicate the size, the first two digits indicate the diameter of two, said after the thickness;

Button batteries because of their small size, the diameter of 4.8 mm to 30 mm, thickness from 1.0 mm to 7.7 mm are generally used for all kinds of electronic products, back-up power, such that the motherboards of computers, electronic watches, electronic dictionaries, electronic scales, memory cards, remote control, electric toys.

General battery motherboard is loaded automatically at startup, then 3-5 years without any problem!

Say a few characteristics of the battery of motherboard, you will understand:

1, function: to ensure that in case of power failure shut down without losing CMOS settings to ensure that the internal clocks to time, so that the parameters of the system as usual.

2 types of batteries: rechargeable nickel battery integrated in the chip RTC.

3, Ni features:

(1) start automatically when charging;

(2) The full power requires ten hours;

(3) The computer a long time unused may be the result of the nickel battery is dead CMOS data loss, the computer does not take long, it can cause corrosion of the motherboard, as electrolyte spillage.

So if you have no computer time, you can win the CMOS sony VGP-BPS2A battery, but they can not be used, and sold a few dollars is not serious!