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3-Pack BIOS CMOS Battery for HP EliteBook 835 845 G10 G11 Replaces 830 840 860 865 G11 3V Motherboard Battery Fix Date/Time Errors CMOS Reset
- Stop CMOS Checksum Error & Date/Time Reset Does your HP EliteBook forget the time, show CMOS Battery Low warnings, or force you to press F1 every startup? This 3pack of BIOS batteries permanently fixes those issues.
- Exact Fit for HP EliteBook 835/845 G10/G11 & More Compatible with HP EliteBook 830, 835, 840, 845, 860, 865 G10 and G11 series. Also works with 435 G7/G8/G9/G10 models. Direct replacement plugandplay.
- 3Pack Keep Spares for Future or Multiple Laptops Each pack includes 3 identical CMOS batteries. Use one now, save two for later repairs, or replace batteries in multiple HP laptops at once. Great value for IT departments.
- 100% Brand New Reliable 3V Li-ion Manufactured with fresh, highquality cells. No more random BIOS resets, lost date/time, or boot errors. Prewired with the correct connector for HP EliteBook motherboards.
- Easy DIY Installation No Soldering Simply disconnect the old battery (usually a small plastic connector on the motherboard), plug in the new one, and restart. Backed by 30day money return and 12month warranty.
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Why You Need a Fresh CMOS Battery for Your HP EliteBook
Does your HP EliteBook display CMOS Checksum Bad, RTC Power Failure, or lose the date and time every time you turn it on? Do you have to press F1 to continue booting? This is a classic sign of a dead or dying CMOS battery. The battery keeps your BIOS settings, system clock, and boot configuration alive when the laptop is off.
When it fails, every startup becomes a hassle resetting the time, losing custom BIOS settings, or even failing to boot entirely. A new CMOS battery solves all of these problems instantly.
This 3pack of genuinespec CMOS batteries gives you everything you need to fix your HP EliteBook plus spares for other laptops or future maintenance.
Compatible HP Models (Ctrl+F to search):
HP EliteBook 830 G10 / G11
HP EliteBook 835 G10 / G11
HP EliteBook 840 G10 / G11
HP EliteBook 845 G10 / G11
HP EliteBook 860 G10 / G11
HP EliteBook 865 G10 / G11
HP EliteBook 435 G7, G8, G9, G10
Also works with other HP business laptops using the same CMOS battery connector check your original battery type before ordering.
Specification Detail
Product Type BIOS / CMOS Motherboard Battery
Voltage 3V (standard)
Chemistry Li-ion
Connector Prewired for HP EliteBook motherboard (refer to images)
Quantity 3 batteries per pack
Condition 100% brand new
Warranty 30day return + 12 months
What a Dead CMOS Battery Costs You
Lost time Resetting the clock every boot.
Boot errors Annoying CMOS Checksum Bad messages.
BIOS reset Your custom boot order, security settings, or virtualization options disappear.
Diagnostic confusion The laptop may appear faulty when only the battery is dead.
Signs You Need to Replace Your CMOS Battery
Clock resets to January 1, 2000 or some other incorrect date.
CMOS Battery Low or System CMOS Checksum Bad at startup.
You have to press F1 to continue booting every time.
BIOS settings wont save after restart.
Whats in the Box
3 x CMOS/BIOS Batteries (prewired for HP EliteBook)
Installation Guide (DIY)
Power off your HP EliteBook and disconnect the AC adapter.
Remove the bottom cover (Phillips or Torx screws tools not included).
Locate the small silver coinshaped battery on the motherboard it will have a small plastic connector with two wires.
Gently disconnect the old battery by pulling the connector (do not pull the wires).
Plug the new battery into the same socket (polarity is keyed only fits one way).
Reassemble the bottom cover, reconnect power, and turn on the laptop.
Enter BIOS (usually F10 on startup) and reset your date/time and any custom settings.
Note: Professional installation recommended if you are not comfortable opening your laptop. We are not responsible for damage caused during installation.
Why Buy Our 3Pack?
Value Three batteries for barely more than the price of one from other sellers.
Spares Keep extras for other HP EliteBooks in your office or home.
Futureproof CMOS batteries wear out every 35 years have a spare ready.
Before You Order
Please check your original CMOS batterys connector and shape against our product images. This battery is designed for HP EliteBook 800 series G10/G11 and 435 G7G10 not for consumer HP Pavilions or older EliteBooks without verifying compatibility. If unsure, contact us with a photo of your old battery.
Does your HP EliteBook display CMOS Checksum Bad, RTC Power Failure, or lose the date and time every time you turn it on? Do you have to press F1 to continue booting? This is a classic sign of a dead or dying CMOS battery. The battery keeps your BIOS settings, system clock, and boot configuration alive when the laptop is off.
When it fails, every startup becomes a hassle resetting the time, losing custom BIOS settings, or even failing to boot entirely. A new CMOS battery solves all of these problems instantly.
This 3pack of genuinespec CMOS batteries gives you everything you need to fix your HP EliteBook plus spares for other laptops or future maintenance.
Compatible HP Models (Ctrl+F to search):
HP EliteBook 830 G10 / G11
HP EliteBook 835 G10 / G11
HP EliteBook 840 G10 / G11
HP EliteBook 845 G10 / G11
HP EliteBook 860 G10 / G11
HP EliteBook 865 G10 / G11
HP EliteBook 435 G7, G8, G9, G10
Also works with other HP business laptops using the same CMOS battery connector check your original battery type before ordering.
Specifications
Specification Detail
Product Type BIOS / CMOS Motherboard Battery
Voltage 3V (standard)
Chemistry Li-ion
Connector Prewired for HP EliteBook motherboard (refer to images)
Quantity 3 batteries per pack
Condition 100% brand new
Warranty 30day return + 12 months
What a Dead CMOS Battery Costs You
Lost time Resetting the clock every boot.
Boot errors Annoying CMOS Checksum Bad messages.
BIOS reset Your custom boot order, security settings, or virtualization options disappear.
Diagnostic confusion The laptop may appear faulty when only the battery is dead.
Signs You Need to Replace Your CMOS Battery
Clock resets to January 1, 2000 or some other incorrect date.
CMOS Battery Low or System CMOS Checksum Bad at startup.
You have to press F1 to continue booting every time.
BIOS settings wont save after restart.
Whats in the Box
3 x CMOS/BIOS Batteries (prewired for HP EliteBook)
Installation Guide (DIY)
Power off your HP EliteBook and disconnect the AC adapter.
Remove the bottom cover (Phillips or Torx screws tools not included).
Locate the small silver coinshaped battery on the motherboard it will have a small plastic connector with two wires.
Gently disconnect the old battery by pulling the connector (do not pull the wires).
Plug the new battery into the same socket (polarity is keyed only fits one way).
Reassemble the bottom cover, reconnect power, and turn on the laptop.
Enter BIOS (usually F10 on startup) and reset your date/time and any custom settings.
Note: Professional installation recommended if you are not comfortable opening your laptop. We are not responsible for damage caused during installation.
Why Buy Our 3Pack?
Value Three batteries for barely more than the price of one from other sellers.
Spares Keep extras for other HP EliteBooks in your office or home.
Futureproof CMOS batteries wear out every 35 years have a spare ready.
Before You Order
Please check your original CMOS batterys connector and shape against our product images. This battery is designed for HP EliteBook 800 series G10/G11 and 435 G7G10 not for consumer HP Pavilions or older EliteBooks without verifying compatibility. If unsure, contact us with a photo of your old battery.
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by Ebuy limited Return Policy
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