Total Micro's family of notebook batteries includes replacement units and upgrades for every major brand of portable computer. Built with premium quality cells, these batteries are made to meet or exceed the OEM original specifications for mAh and longevity. Simply put, Total Micro batteries power your computer longer. No other manufacturer or distributor offers a power product which outperforms the Total Micro line up. Manufacturer: Total Micro Technologies. Manufacturer Part Number: 0C52862-TM. Brand Name: Total Micro. Product Name: Notebook Battery. Packaged Quantity: 1. Product Type: Battery. [Battery Information] Application/Usage: Notebook. Battery Rechargeable: Yes. Battery Size: Proprietary Battery Size. Battery Chemistry: Lithium Ion (Li-Ion). Battery Capacity: 6600 mAh. Number of Cells: 6. Output Voltage: 10.6 V DC. [Miscellaneous] Compatibility: Lenovo ThinkPad Notebooks:T440s 20AQT440s 20ARX240. [Warranty] Limited Warranty: 1 Year.