CMOS RTC BATTERY for Lenovo YOGA 520 520-14 520-14IKB C740 # 5B10L45935

Description

Cmos bios battery (RTC Battery) for Lenovo YOGA 520 520-14 520-14IKB C740, C740-14IML that requires 5B10L45935
(
compatible with
GC02000LZ00, GC02001R00, GC02001R000,
5B10L45935,
5B10S34059
or GC02001LW00, not OEM)
The cmos bios battery being offered here are based on a 3 volt 210mah rating system board need, where what is required is a cable and 2 pin plug. The 2 pin plug is a molex picoblade 1.25mm type (Picoblade housing) that is fitted to a receptacle on the system board for it's integration.
The renewal or replacement process might be something that can be somewhat challenging depending on the specific model of notebook, yet in most cases technical manuals will allow the scope of it's replacement process and allow owners to replace and renew the cmos battery.  If in doubt, please ask us to assist or redirect you to that source help.
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In the 15 years selling rtc batteries from our days reselling Fedco (Number 1 in the USA) quality brands, we will test each and every single shipment several times will ensure that in most cases the item will fit perfectly.
The testing will render an acceptable function in the notebook provided it meets or exceeds the requires specified  minimum +2.5volt in providing an approximate 5-15microampere current drain( our shipments are +3.2v to +3.31volts typically).
There will be issues ( technical issues) with regards to all electronic hardware that will require a more adept skilled technician to resolve discrepancies.
The discrepancies can be factors of  tolerances due to mating, which are deemed as intermittencies, which requires fault isolation testing. These are achievable circumstances that skilled technicians can provide which defines the capable level of competency technicians attain.
Should you find yourself under those constraints, you can contact us on that regard or other highly technical issues that the manufacturers of Notebooks (Dell, HP, Toshiba, etc cannot resolve.
In regards to  the data taken on this item, we will make it available for several years. An example is our second photo here on a shipment the buyer making a statement of non functional dead conditions. Shocked? not so, why would we, we don't have access to the machine nor would this person care to hear beyond our instructions to access the bios to upgrade the bios environment on  Lenovo using the sequencing keys FN+F1