Battery Technology BTI Notebook OEM Compatible 9TJ2J 451-BBIE LAP5441 Model Compatible DELL LATITUDE E5440 DL-E5440X6

BTI Notebook Battery
Proprietary Battery Size battery – A convenient spare for your notebook, giving you peace of mind.
Delivers 10.8 V DC to your compatible notebook, ensuring that your device is ready to use when needed.
Lithium Ion (Li-Ion) battery chemistry delivers energy to the notebook through an easily controlled reaction.