BTI NGGX5-BTI 11.4V 47WHR LI-ION BATTERY 0W9FNJ, 451-BBUM, JY8DF, XWDK1, 451-BBUJ, 53VJ6, NCVW8, 451-BBUK, 954DF, NGGX5, 451-BBUL, JY8D6, XKWC7 LATITUDE 12 E5270, LATITUDE E5570, LATITUDE E5250, LATITUDE E5270, LATITUDE E5470

Proprietary Battery Size battery - A convenient spare for your notebook, giving you peace of mind 4122 mAh battery capacity for convenient and prolonged usage to ensure maximum productivity Proprietary Battery Size battery size for better reliance and dependable usability 11.4 V DC battery - Powers your notebook safely Rechargeable battery - Lasts longer on a single charge than its disposable counterparts Lithium Polymer (Li-Polymer) battery chemistry delivers energy to the notebook through an easily controlled reaction Rechargeable & avoids disposables - designed to be used repeatedly, helping you save money and avoid single-use disposables.