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Small round lithium CMOS battery for Samsung NP900X4B 900X4B

DBTLAP

DBTLAP CMOS Battery for Samsung NP900X4B 900X4B

SKU CH-Z3DC-QGYGW

Lithium CMOS battery restores BIOS settings and real-time clock on Samsung NP900X4B laptops

  • Battery TypeLithium
  • Compatible with Samsung NP900X4B and 900X4B models
  • Lithium chemistry provides reliable CMOS power retention
  • Direct replacement for faulty or cracked BIOS batteries
  • Each unit tested before shipping for dependable operation
  • Supplied as a single CMOS battery ready to install

Compatible CMOS Battery for Samsung 900 Series

This DBTLAP lithium CMOS battery replaces the RTC BIOS cell on Samsung NP900X4B and 900X4B laptops. It is a motherboard component, not a main laptop battery. The unit is tested before shipping and sold new.

Who This Suits and Who Should Look Elsewhere

Suitable for owners of the listed Samsung models who need to fix date loss or BIOS reset issues caused by a dead CMOS cell. Not for users replacing a main power battery or servicing other laptop brands or series.

Check Your Setup Before Ordering

Confirm the exact model number on your laptop base matches NP900X4B or 900X4B. Verify the existing CMOS battery connector and form factor are identical to the replacement. Ensure you are comfortable opening the chassis to access the motherboard.

Highlights

  • Compatible with Samsung NP900X4B and 900X4B models
  • Lithium chemistry provides reliable CMOS power retention
  • Direct replacement for faulty or cracked BIOS batteries
  • Each unit tested before shipping for dependable operation
  • Supplied as a single CMOS battery ready to install

Specifications

Battery TypeLithium

Questions about this item

Does this CMOS battery work with the Samsung NP900X4B motherboard?

The battery is built as a direct replacement for the NP900X4B and 900X4B models and is tested before shipping.

Will the BIOS keep its settings if I leave the laptop unplugged for weeks?

A fresh lithium CMOS cell maintains the real-time clock and BIOS configuration during extended periods without mains power.

How can I confirm the new battery is functioning after I install it?

Power on the laptop, enter the BIOS setup and verify that the date and time remain correct after a full shutdown.

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