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Small round lithium coin cell battery for Alienware 17 R4 motherboard

DBTLAP

DBTLAP CMOS Battery for Dell Alienware 17 R4

SKU CH-HH7J-7W76V

Lithium CMOS battery replaces the RTC BIOS cell in Dell Alienware 17 R4 motherboards

  • Battery TypeLithium
  • Compatible with Dell Alienware 17 R4 motherboard
  • Lithium chemistry provides stable RTC power
  • Replaces faulty CMOS BIOS battery directly
  • Single unit tested before shipment
  • Designed for motherboard not main laptop battery

Compatible CMOS Battery for Alienware 17 R4

This DBTLAP lithium coin cell replaces the CMOS RTC BIOS battery in a Dell Alienware 17 R4 laptop. It restores the real-time clock and BIOS settings when the original cell has drained. The part is not compatible with M17X models.

Replaces a Dead or Leaking Factory Cell

Swap this battery in when the system loses date and time after shutdown or shows CMOS checksum errors on boot. The change is worth it if the laptop otherwise runs well but forgets BIOS configuration between sessions.

Fits Directly on the Motherboard

The coin cell slots into the existing holder on the laptop mainboard with no soldering required. Installation frees the system from repeated BIOS resets and preserves firmware settings without needing a full motherboard service.

Highlights

  • Compatible with Dell Alienware 17 R4 motherboard
  • Lithium chemistry provides stable RTC power
  • Replaces faulty CMOS BIOS battery directly
  • Single unit tested before shipment
  • Designed for motherboard not main laptop battery

Specifications

Battery TypeLithium

Questions about this item

What laptop model does this CMOS battery fit?

It is compatible with the Dell Alienware 17 R4 and is explicitly not for the M17X variant.

How is the battery installed on the motherboard?

Insert the connector into the motherboard header; the step often missed is routing the cable clear of the fan and heat-sink so it does not snag on reassembly.

What indicates the battery needs replacement later?

Loss of BIOS settings or an incorrect system clock after the laptop has been powered off signals the cell is depleted.

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