Dell 05YHR4 is an internal rechargeable lithium-polymer battery for compatible Dell laptops, identified by its exact item number. It is intended to power a supported laptop away from a mains connection or serve as an internal replacement.
The battery has a stated capacity of 68 Wh and 8550 mAh, with a listed output voltage of 7.6 V and 4 cells. These specifications describe its energy and electrical characteristics; actual runtime depends on the laptop and its use.
Listed compatible systems include Dell Precision 15 (3520), Dell Latitude 15 (5590), Dell Latitude 12 (5290), Dell Latitude 14 (5480), Dell Latitude 15 (5580), Dell Latitude 14 (5490) and Dell Latitude 14 (5495). Check the laptop model against this list when selecting a replacement.
