Quick facts
51KD7 is a battery that fits 9 laptop models: Dell Chromebook 3100 (long battery cable), Chromebook 3100 2-in-1 (long battery cable), Chromebook 3400 (long battery cable), Chromebook 11 3180, Chromebook 11 3181 and 4 more. It is also sold as FY8XM, Y07HK, YWD3C, 051KD7.
| Part number | 51KD7 |
|---|---|
| Part type | Battery |
| Also sold as | FY8XM, Y07HK, YWD3C, 051KD7 |
| Capacity | 42 Wh |
| Voltage | 11.4 V |
| Cells | 3 |
| Last checked | 2026-10-10 |
Compatible models (9)
- Dell Chromebook 3100 (long battery cable)
- Chromebook 3100 2-in-1 (long battery cable)
- Chromebook 3400 (long battery cable)
- Chromebook 11 3180
- Chromebook 11 3181
- Chromebook 11 3181 2-in-1
- Chromebook 11 3189 2-in-1
- Chromebook 11 5190
- Chromebook 11 5190 2-in-1
Laptops compatible with 51KD7
Fits 9 laptops: 9 OEM confirmed, 0 seller listed, 0 reported by users.
Also sold as: FY8XM, Y07HK, YWD3C, 051KD7
- Chromebook 11 3180OEM confirmedMatched on: part number 51KD7
- Chromebook 11 3181OEM confirmedMatched on: part number 51KD7
- Chromebook 11 3181 2-in-1OEM confirmedMatched on: part number 51KD7
- Chromebook 11 3189 2-in-1OEM confirmedMatched on: part number 51KD7
- Chromebook 11 5190OEM confirmedMatched on: part number 51KD7
- Chromebook 11 5190 2-in-1OEM confirmedMatched on: part number 51KD7
- Chromebook 3100 2-in-1 (long battery cable)OEM confirmedMatched on: part number 51KD7
- Chromebook 3400 (long battery cable)OEM confirmedMatched on: part number 51KD7
- Dell Chromebook 3100 (Celeron N4020, 4GB, 32GB eMMC)OEM confirmedMatched on: part number 51KD7, listed as Dell Chromebook 3100 (long battery cable)
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Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.
Manufacturer: Dell Last updated: 2026-10-10
Dell 51KD7 Replacement Battery Review
Dell 51KD7 replacement battery, the 42Wh 3-cell 11.4V long-cable pack for the Dell Chromebook 11 3180, 3181, 3189 and 5190, and for Chromebook 3100 and 3400 units built with the longer battery cable.
Parts-People lists two 42Wh batteries for the Chromebook 3100 that differ only in cable length. This is the long-cable version; the short-cable version is Dell JPFMR. Check the battery you remove before ordering. Older labels for this part include FY8XM, Y07HK and YWD3C.
Our verdict
Reviewed by Burooj Alam. Rated by us, not by users.
Best for
- Chromebook 11 3180 and 5190 owners
- Chromebook 3100 units with the long battery cable
Not for
- Chromebook 3100 units built with the short-cable JPFMR
Specifications
What these specs mean| Brand | Dell |
|---|---|
| Battery Model Code | 51KD7 |
| OEM Spare Part Number | 51KD7, 051KD7 |
| Nominal Voltage | 11.4 V |
| Cell Count | 3 |
| Series Configuration | 3S |
| Capacity Wh | 42 Wh |
| Capacity Basis | OEM Label |
| Compatible Models | Dell Chromebook 3100 (long battery cable), Chromebook 3100 2-in-1 (long battery cable), Chromebook 3400 (long battery cable), Chromebook 11 3180, Chromebook 11 3181, Chromebook 11 3181 2-in-1, Chromebook 11 3189 2-in-1, Chromebook 11 5190, Chromebook 11 5190 2-in-1 |
| Replaces Part Numbers | FY8XM, Y07HK, YWD3C |
FAQs
Which laptops does the Dell 51KD7 battery fit?
The 51KD7 is listed for the Chromebook 11 3180, Chromebook 11 3181, Chromebook 11 3181 2-in-1, Chromebook 11 3189 2-in-1, Chromebook 11 5190, Chromebook 11 5190 2-in-1, Chromebook 3100 2-in-1 (long battery cable), Chromebook 3400 (long battery cable) and 1 more models. Check the model code printed on your current battery before ordering.
What is the capacity of the 51KD7 battery?
The 51KD7 is rated at 42 Wh at 11.4 V, 3 cells. Source of the figure: oem label.
Which part numbers does the 51KD7 replace?
It is listed as replacing FY8XM, Y07HK, YWD3C. A battery with any of these numbers on its label is the same part.
Is the 51KD7 an original Dell battery?
Yes. The listing is for an original Dell (OEM) battery.