Brand New Lenovo ThinkPad Real Time Clock Battery (RTC) CMOS BIOS BACKUP
Replace Lenovo P/N 02K6541, 02K7087, 02K7075, 08K8050
FRU # 02K6572, 92P0991, 92P0986
Will Fit
Lenovo Thinkpad W Series -- W500 W510 W520 W530 W700 W701 W701ds
Gurantee Not Dead On Arrival
Will fix the following error codes:
0250: systems battery error
0251: System CMOS checksum bad
0260: System Timer error
0270: Real-Time Clock Error
Always got wrong date and error message when you turn on your laptop?
Even the Windows XP can't be loaded correctly??
(Windows XP can't be loaded correctly when the Date setting is no sense,
this could happen when the CMOS battery voltage is low).
Then it is time to change your CMOS RTC coin battery! Every laptop has a small coin cell battery to power the BIOS chip to keep the date, and other internal settings effective. Without these cmos batteries or a dead cmos battery these internal setting will not function.
CMOS RTC battery should be replaced every few years (typically 3-4 yrs).
We ship daily (except weekends and holiday), usually order will be proceed in 24 hours.
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