

Dell Original Laptop Battery for Latitude E5440 and E5540 - N5YH9
Brand: Dell
Model: Dell Latitude 5000 & 7000 series, select Inspiron and Vostro laptops
Capacity: 4000 mAh
Power: 11.1 V
Features: Overcharge protection, temperature control, short-circuit protection
Color: Black
Product Overview
The Dell N5YH9 is a battery for the Latitude E5440 and E5540 business laptops. Across the aftermarket it is supplied in 6-cell (11.1V, around 58Wh) and 9-cell (97Wh) configurations; the exact cell count and capacity of this listing could not be verified, so they are left blank.
Key Specifications
- Chemistry: Lithium-Ion
- Type: OEM original
- Nominal voltage reported as 11.1V for the E5440/E5540 family
- Cell count and capacity: not verified (aftermarket offers 6-cell approximately 58Wh and 9-cell 97Wh)
Compatible Models
- Dell Latitude E5440
- Dell Latitude E5540
- Cross-references: VV0NF, 0M7T5F, WGCW6, 451-BBIE
General
- ReusabilityRechargeable
Battery Details
- Battery TypeLithium-Ion (Li-ion)
- ApplicationLaptop
- CompatibilityOEM Original



