Dell 05PYY9 is a replacement battery for Dell notebooks, identified by manufacturer number 05PYY9. The distributor identifies it as an original Dell battery. Use it in a Dell laptop that takes this replacement part; no specific compatible model is listed.
Its energy capacity is 38 Wh, describing the energy stored to power the notebook rather than a power rating. The nominal voltage is 11.1 V, a defining electrical characteristic of this particular battery. Together, these values identify the listed version and help distinguish it from other notebook batteries.
The battery provides notebook power for use away from a fixed electrical connection. Compatibility depends on the laptop taking this specific replacement part; the listing does not specify a laptop model or package contents.
