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Black rectangular lithium-ion laptop battery with smooth finish

Cameron & Co

Cameron & Co DS-CS-DBM640 laptop battery 11.1V 4400mAh 4.4Ah black

SKU CH-4XPV-194SF

Replacement Li-ion battery for select Dell Inspiron and XPS laptops, 11.1V 4400mAh capacity, black

  • Product typeBattery
  • Powers Dell Inspiron 630M, 640M, E1405, XPS M140
  • 1V 4400mAh Li-ion cell delivers 4.4Ah capacity
  • Replaces OEM part numbers including 312-0373, 312-0451, Y9943, Y9948
  • Compact 207.00 x 48.50 x 24.20 mm form fits original bay
  • Brand-new Cameron Sino unit, 100% OEM compatible

Cameron & Co DS-CS-DBM640 Li-ion battery

The Cameron & Co DS-CS-DBM640 is a lithium-ion laptop battery rated at 11.1V and 4400mAh. It replaces the original power source in compatible Dell Inspiron and XPS models. The black finish matches the chassis colour of the supported notebooks.

Fits Dell Inspiron 630M 640M E1405 XPS M140

This unit slots directly into the battery bay of the listed Dell laptops without adapters or cables. It restores mobile operation when the original pack no longer holds charge. No additional hardware is required for installation.

Sustained output at 11.1V 4.4Ah capacity

The 4.4Ah cell configuration delivers steady voltage across a full discharge cycle rather than a brief peak. Internal protection circuitry manages temperature and current during extended use. Capacity remains stable over repeated charge cycles.

How it compares

Measured against everything we stock in Laptop Chargers & Batteries, at today’s prices. Recalculated every night.

Price $40.99
Pricier than about 72% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameCameron Sino
Model nameDS-CS-DBM640
Product typeBattery

Questions about this item

How long will the 4.4 Ah capacity last before the voltage drops under a full-day workload?

The 4.4 Ah rating means the pack can deliver 4.4 amps for one hour or proportionally less current for longer periods; actual run-time depends on the laptop's power draw.

Does the Li-ion pack run hot or make noise during continuous charging?

Li-ion batteries are silent and produce only modest warmth during charge; the unit has no fan or moving parts.

Which Dell models must I already own for the DS-CS-DBM640 to fit?

It fits Inspiron 630M, 640M, E1405, PP19L, XPS and XPS M140.

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