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Rectangular 6-cell lithium-ion laptop battery, black plastic casing, label with voltage and capacity details

DELL

DELL Vostro 1440 1450 1540 1550 3450 3550 3555 3750 11.1V 5200mAh 6-Cell laptop battery

SKU CH-Y2MS-ZBNYS

A 11.1V 5200mAh 6-cell lithium-ion replacement battery compatible with Dell Vostro 1440 1450 1540 1550 3450 3550 3555 3750 models

  • CompatibilityCompatible with Dell Vostro 1440 1450 1540 1550 3450 3550 35
  • Battery TypeLithium-Ion
  • 1 V lithium-ion chemistry delivers stable power for compatible Dell Vostro models
  • 5200 mAh capacity extends runtime between charges for work or entertainment
  • 6 premium cells engineered for long-term reliability and consistent output
  • 100 % compatibility with Vostro 1440 1450 1540 1550 3450 3550 3555 3750 ensures a perfect fit
  • CE and RoHS certification confirms compliance with safety and environmental standards

Compatible Dell Vostro models

This 11.1 V lithium-ion battery fits Dell Vostro 1440, 1450, 1540, 1550, 3450, 3550, 3555 and 3750 laptops. It is built for owners of those specific machines who need a direct replacement. Buyers with other Dell series or non-Dell notebooks cannot use this pack.

Voltage and capacity limits

The pack operates at 11.1 V and is also rated for 10.8 V systems, delivering 5200 mAh from six premium cells. Lithium-ion chemistry governs the energy density and cycle life, so runtime will follow the limits of that standard. No other voltage or chemistry is supported.

Six-cell 5200 mAh specification

The decisive figure is the 5200 mAh capacity provided by the six-cell design, which determines how long the laptop runs between charges. If your workload demands a higher or lower capacity, this battery will not match that requirement.

Highlights

  • 1 V lithium-ion chemistry delivers stable power for compatible Dell Vostro models
  • 5200 mAh capacity extends runtime between charges for work or entertainment
  • 6 premium cells engineered for long-term reliability and consistent output
  • 100 % compatibility with Vostro 1440 1450 1540 1550 3450 3550 3555 3750 ensures a perfect fit
  • CE and RoHS certification confirms compliance with safety and environmental standards

Specifications

CompatibilityCompatible with Dell Vostro 1440 1450 1540 1550 3450 3550 3555 3750
Battery TypeLithium-Ion

Questions about this item

Which capacity should I choose for my Dell Vostro 1440?

This replacement battery is supplied in a single 5200mAh capacity. It fits the Vostro 1440 and the other listed models directly, so no capacity selection is required.

What does the 5200mAh rating mean for daily use on my Vostro 1550?

The 5200mAh rating indicates the total charge the pack can store. In practice it provides a longer runtime between charges compared with lower-capacity packs, letting you work or stream for extended periods on your Vostro 1550.

Is the 11.1V specification compatible with my Vostro 3555 that originally used a 10.8V battery?

Yes. The battery is rated to fit both 11.1V and 10.8V Dell laptops, so it will operate correctly in your Vostro 3555 without any voltage mismatch.

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