MAIN OVERVIEW FEATURES: Application/Usage: Tablet PCBattery Rechargeable: YesBattery Size: Proprietary Battery SizeBattery Chemistry: Lithium Ion (Li-Ion)Height: 1"Width: 10.7"Depth: 4.6"Weight (Approximate): 14.50 ozCompatible to OEM Part Number: 40Y831842T520893P5032Environmentally Friendly: YesEnvironmental Certification: RoHS