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Rectangular black Dell laptop battery pack with four cells and 47Wh capacity

DELL

DELL 47Wh 4-Cell Lithium-Ion Battery 451-BBFT 451-BBFV 451-BBFY 451-BBOG 451-BBFS

SKU CH-AP4N-HC99S

47 Wh 4-cell lithium-ion battery fits 7.4 V Dell laptops and replaces part numbers 451-BBFT, 451-BBFV, 451-BBFY, 451-BBOG and 451-BBFS

  • CompatibilityCompatible with Dell 451-BBFT 451-BBFV 451-BBFY 451-BBOG 451
  • Battery TypeLithium-Ion
  • 47 Wh capacity extends laptop runtime
  • 4-cell lithium-ion design delivers reliable power
  • 4 V rating matches original Dell specification
  • 100 % compatibility with listed Dell part numbers
  • CE and RoHS certified for safety compliance

47Wh 4-Cell Replacement Battery

This 47Wh lithium-ion pack replaces Dell part numbers 451-BBFT 451-BBFV 451-BBFY 451-BBOG 451-BBFS. It is built for owners of compatible Dell notebooks who need a direct swap when the original cell pack no longer holds a useful charge. The four premium cells deliver 100% compatibility and a perfect mechanical fit. CE and RoHS certification confirms compliance with safety and environmental standards.

Thermals Noise and Power Draw

Lithium-ion chemistry runs cool during typical office or media workloads and adds no audible noise because the pack has no moving parts. The 7.4V nominal voltage matches the laptop's power-management expectations so the system reports capacity accurately. A one-year replacement warranty covers defects in materials or workmanship under normal use.

Installation and Build Impact

The battery slides into the existing bay without tools or cable adapters freeing the user from a tethered power brick. No BIOS update or driver installation is required and the pack works with the original AC adapter. Buyers who need a higher capacity than 47Wh or a different voltage should verify their service tag before ordering.

Highlights

  • 47 Wh capacity extends laptop runtime
  • 4-cell lithium-ion design delivers reliable power
  • 4 V rating matches original Dell specification
  • 100 % compatibility with listed Dell part numbers
  • CE and RoHS certified for safety compliance

Specifications

CompatibilityCompatible with Dell 451-BBFT 451-BBFV 451-BBFY 451-BBOG 451-BBFS
Battery TypeLithium-Ion

Questions about this item

How do I install the 4-cell 47Wh battery in my Dell laptop, and which step is often missed?

Power off the laptop, disconnect the AC adapter, remove the old pack, insert the new 4-cell unit until it clicks, then reconnect power and let the system recognise the 7.4V pack before use.

What replacement will this 47Wh lithium-ion pack need later?

The 4-cell battery is a consumable; after its usable cycle life it must be replaced with another 47Wh 7.4V pack matching the 451-BBFT series part numbers.

What limit appears first during sustained use of this 47Wh pack?

The 47Wh capacity sets the runtime ceiling; under continuous load the charge will deplete to the point where the laptop throttles or shuts down until recharged.

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