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| CMOS Batteries - (scroll down to view models)
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Replacement back-up battery for CMOS/BIOS setup configuration program for Laptops, Notebooks, Tablets & Desktops. The proper course toward replacing your CMOS battery is to determined the model required. You will need to open your computer, locate the battery and compare it to the models we have on display. Unfortunately, none of our suppliers have been able to provide a data base matching CMOS batteries to their respective brands and models. The best advice is as follows: If you do not know the model battery you require, we recommend you try to obtain the specification first from the manufacturer or consider making a visual comparison between our battery photos and the battery currently installed in your computer. Please follow our suggestions below.
1) Voltage. Determine the voltage of your CMOS battery.
2) Determine the battery type; primary or rechargable. Primary batteries may be any of the following: Alkaline, Lithium-CR type, Lithium-BR type, Lithium Cylindrical, Lithium-Wafer. Rechargeable batteries may be: Nickel Cadmium ( NiCD, NiCad), Nickel Metal Hydride (NiMH), and Lithium-Iion (Li-Ion). NiCD and NiMH have a single cell voltage of 1.2V, so battery packs having a multiple cells will have higher voltages of; 2.4, 3.6, 4.8, 6.0, or 7.2 volts, although Some primary batteries such as 3.6V, or 6.0V Lithium cylindrical and lithium wafers cells or packs should not be confused with the rechargeable NiMH or NiCD packs. Such lithium batteries are not interchangeable with rechargeable battery packs having the same voltage.
3) Battery size and pack shape is important. If the physical dimensions are not the same the replacement battery may not fit into the required space.
4) Verify the mAh capacity. The replacement battery should have the same or very similar mAh capacity as the original battery. If the replacement battery is a primary cell and small difference in the mAh capacity is acceptable. If the replacement battery is a rechargeable cell or pack, a non-matching mAh capacity may indicate a wrong size pack.
5. Connector type or pin locations. Verify the connector is the correct replacement. For cells and packs with mounting pins, verify the pin position is the same in the replacement battery.
6. PC Desktops. Desktops are among the easiest battery backup batteries to replace. The most common replacement battery for such systems is the CR2032 3V primary lithium coin cell. On most desktops the CR2032 is a bare cell and is fitted into a coin cell battery holder, soldered to the motherboard. The battery is pressure fitted or clipped in place and can be replaced by hand. |
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