
Dell Latitude E5440 E5540 N5YH9 Y6KM7 VV0NF 9 Cell Laptop Battery
Warranty
3 Days
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Key Specifications
Voltage: 11.1V (compatible with 10.8V)
Capacity Options:
9-Cell (High Capacity): Typically 97Wh or approximately 8700mAh [1, 2]. Note that 9-cell versions often extend beyond the laptop's body
6-Cell (Standard): Usually 65Wh or 58Wh (approx. 5200mAh–5800mAh)
Battery Type: Li-ion
Compatibility Information
The N5YH9 is interchangeable with several other Dell part numbers, including:
Primary Alternates: VV0NF, VJXMC, 0M7T5F
Other Part Numbers: 0K8HC, 1N9C0, CXF66, WGCW6, F49WX, and NVWGM
Recommended Usage Tips
First Use: For a new battery, it is recommended to discharge it to approximately 5% (not 0%) and then charge it to 95% for 3–4 cycles to activate the lithium-ion cells fully
Long-term Storage: if the battery will not be used for an extended period, charge it to at least 80% every month to maintain health
Technical specifications
Product features and details
- Condition
- Refurbished
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