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Rectangular black laptop battery pack with label showing model 451-BBSY

DELL

DELL 451-BBSY laptop battery 4 cell 55 WHr Latitude 14 E7470 E7270

SKU CH-RZEN-NSE3X MPN 451-BBSY

Four-cell lithium-ion battery rated at 55 WHr for Latitude 14 E7470 and E7270 laptops

  • TypeBattery
  • CompatibilityLatitude 14 (E7470) SKL-U Latitude E7270
  • Battery Type4 Cell Lithium-Ion
  • Battery Capacity55 WHr
  • 4-cell lithium-ion design delivers 55 WHr capacity
  • Fits Latitude 14 E7470 SKL-U models precisely
  • Compatible with Latitude E7270 systems directly
  • Genuine Dell 451-BBSY part ensures correct fit
  • New battery restores original runtime performance

Direct replacement battery for Latitude 14 E7470

This 4 cell lithium-ion unit is built to match the original power specification for the listed Dell Latitude models. It supplies 55 WHr of capacity and fits the same bay without modification. The part is intended for owners of those specific laptops who need a new battery.

Steady discharge across a full work session

The 55 WHr rating reflects sustained energy delivery rather than a brief peak. The four-cell lithium-ion chemistry maintains consistent voltage as the charge depletes, supporting typical office workloads through the day. Runtime will vary with screen brightness, wireless use and processor load.

Snap-in form factor with no cables required

The battery slides into the internal compartment and locks with the laptop's own latch mechanism. No external wiring, adapters or tools are involved in the swap. The design keeps the chassis profile unchanged and leaves all ports and vents clear.

Highlights

  • 4-cell lithium-ion design delivers 55 WHr capacity
  • Fits Latitude 14 E7470 SKL-U models precisely
  • Compatible with Latitude E7270 systems directly
  • Genuine Dell 451-BBSY part ensures correct fit
  • New battery restores original runtime performance

Specifications

BrandDELL
Model451-BBSY
TypeBattery
CompatibilityLatitude 14 (E7470) SKL-U
Latitude E7270
Battery Type4 Cell Lithium-Ion
Battery Capacity55 WHr
Shipping weight0.91 kg
Package size292 × 127 × 41 mm

Questions about this item

How much heat does the 4 cell 55 WHr battery generate during all-day use?

Lithium-ion cells produce minimal heat under normal load; the pack stays within Dell's thermal limits for the Latitude 14 E7470 and E7270 chassis.

Which Dell Latitude models must I already own for the 451-BBSY to fit and communicate correctly?

This pack is validated for Latitude 14 E7470 SKL-U and Latitude E7270 only; other models use different connectors or firmware.

Will the 451-BBSY work alongside the original 3 cell battery still installed in my older Latitude?

The system supports a single internal pack; the 4 cell 55 WHr unit replaces the existing battery rather than operating in parallel.

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