DELL 451-BBLN laptop spare part Battery

The DELL 451-BBLN is a 4-cell Lithium‑Ion laptop battery with a rated capacity of 51 WHr. Designed as a genuine Dell replacement part, it provides extended runtime and includes built-in protection against overcharging and overheating to support safe, reliable operation for compatible Dell Latitude notebooks.

Advantages

This genuine Dell battery offers OEM‑grade components and has passed Dell’s qualification testing for compatibility and reliability. With 51 WHr capacity and integrated protection circuitry, it supplies steady power for typical mobile use while preserving the notebook’s original warranty when installed as an approved Dell part.

Suitable for

Key specifications

How to use

Turn off the laptop and disconnect the power adapter before removing the old battery. Install the DELL 451-BBLN following the laptop manufacturer’s instructions until it locks into place. Reconnect the power adapter and charge the new battery fully before first use. Use the operating system’s battery management tools to monitor charge status and health.

Recommendations

For best results, use this genuine Dell battery with supported Latitude E5250, E5450, or E5550 systems and keep firmware and power-management drivers up to date. Avoid exposing the battery to extreme temperatures and follow Dell safety guidance for disposal and recycling of lithium‑ion batteries.