Dell 0FPT1C (also listed as FPT1C) is an internal rechargeable battery for compatible Dell laptops, intended to replace the battery in supported systems and provide power away from a mains connection.
It uses Li-Polymer technology and has four cells. The stated energy capacity is 68 Wh, charge capacity is 8550 mAh, and output voltage is 7.6 V. These specifications describe its electrical format and capacity; actual runtime depends on the laptop and how it is used.
Listed compatible systems include Dell Latitude 5480, Latitude 5580 and Latitude 5590, plus Precision 3520 and Precision 3530. For Latitude 5580, compatibility is limited to configurations with an M.2 SSD; systems fitted with a 2.5-inch hard disk are excluded. Check the storage configuration when identifying a battery for that model. In supported laptops, the 0FPT1C serves as the internal power source for mobile use.