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Small round lithium CMOS battery with two wire leads

DBTLAP

DBTLAP CMOS Battery for HP TouchSmart tm2-2000ed

SKU CH-CCX3-233FZ

Replacement CMOS RTC battery keeps HP TouchSmart tm2-2000ed system clock and BIOS settings accurate

  • Battery TypeLithium
  • Keeps system clock accurate with lithium CMOS cell
  • Direct replacement for HP TouchSmart tm2-2000ed motherboard
  • Tested before shipping for reliable first boot
  • Single battery included for quick swap
  • Restores BIOS settings after power loss

Compatible CMOS Battery for HP TouchSmart tm2-2000ed

This lithium CMOS battery replaces the RTC backup cell on the motherboard of the HP TouchSmart tm2-2000ed notebook. It restores BIOS settings retention and accurate system time when the original coin cell is exhausted. The unit is supplied new and tested before shipping. It is intended for component-level replacement, not as a main laptop power source.

Motherboard-Level Installation Requirements

The battery mounts directly onto the system board, so the notebook must be disassembled to access the CMOS holder. No additional cables, chargers or software are required for the swap. Replacing the cell frees the firmware from time drift and checksum errors caused by a depleted backup source. Installation suits technicians or experienced owners comfortable with laptop teardown.

Long-Term RTC Stability

Lithium chemistry delivers a low self-discharge rate, allowing the real-time clock to maintain accurate timekeeping across extended periods when the machine is unplugged. The cell sustains the CMOS memory without voltage sag that triggers BIOS resets during cold boots. It is not designed for high-current bursts or main-system power delivery. Users needing primary runtime capacity should look elsewhere.

Highlights

  • Keeps system clock accurate with lithium CMOS cell
  • Direct replacement for HP TouchSmart tm2-2000ed motherboard
  • Tested before shipping for reliable first boot
  • Single battery included for quick swap
  • Restores BIOS settings after power loss

Specifications

Battery TypeLithium

Questions about this item

How long will the lithium CMOS battery keep the RTC running under continuous load?

The lithium cell maintains real-time-clock and BIOS settings for years of uninterrupted operation.

Does the battery generate noticeable heat or noise during all-day use?

No, the passive lithium cell produces no audible noise and negligible heat.

Which connector must the motherboard already have for this battery to work?

The board needs the standard two-pin CMOS header used on the HP TouchSmart tm2-2000ed.

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