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F7HVR battery is an internal, rechargeable lithium-ion or lithium-polymer battery designed for specific models in Dell's Inspiron and Vostro series. Here is a detailed breakdown of its information and description:Information and DescriptionProduct Type: This is a brand new, genuine or high-quality compatible internal battery. Since it's an internal battery, it's not designed for quick-swapping and requires a screwdriver to open the laptop's chassis for installation.Part Numbers: The F7HVR is the main part number, but it is also compatible with other Dell part numbers, including:0F7HVRT2T3JG4YJM062VNHY1FGDTechnical Specifications:Voltage: The voltage can vary slightly depending on the specific model and manufacturer, but the most common are 14.4V and 14.8V. It is critical to match the voltage of your old battery.Watt-hour (Wh) Capacity: The most common capacity is 58Wh. Other capacities like 52Wh and 30Wh have also been reported, but 58Wh appears to be the standard.Milliampere-hour (mAh) Capacity: The mAh capacity ranges from 3800 mAh to 4000 mAh.Number of Cells: 4 cells.Chemistry: Li-ion or Li-polymer.Color: Black.