Dell Laptop Battery Replacements, Sorted by Type Code
Three Dell batteries, three type codes, $42.99 to $59.99. GJKNX runs the business Latitudes, 357F9 runs the Inspiron Gaming crowd, N3X1D covers the E-series veterans. Read the code off the old pack, order that code, fit it with a latch or a screwdriver. Checked before dispatch, warranted for a year.
Browse the Dell battery shelf
Buying a Dell Battery Without the Guesswork
The label on your old pack already knows the answer. These three checks turn it into an order.
The label beats the laptop name
Pop the old pack and read its face: GJKNX, 357F9 or N3X1D, sometimes with alternates underneath like 5YHR4, 451-BBZG or 71JF4. That five-character code is the entire shopping list. The service tag on the chassis underside confirms the factory configuration whenever the label is too worn to read.
Photograph the label, send it over, we reply with the exact match.
Runtime lives in the watt-hours
Volts and the connector are fixed by the machine; watt-hours are the only number you get to choose. Latitude 5490 buyers moved from 42Wh and 51Wh stock cells to the 68Wh 4-cell for exactly this reason, and Inspiron Gaming owners gain the same ground going 74Wh 6-cell. Bigger number, longer day, same chassis.
One family, more Wh: pure gain. Two different codes: no swap, ever.
Give the BIOS a minute before you panic
A fresh pack sometimes shows up as not recognized purely because the firmware predates it. Update the BIOS, rerun SupportAssist or the F12 ePSA test, and the pack usually reports clean. The complete walkthrough lives in our sister store's BIOS fix guide.
Every code here ships with a full-year warranty.
Three Codes, Three Machines
Choose your chassis. Each panel carries the code, the specs, the fit list and today's price.
GJKNX, 7.6V 68Wh 4-cell
The cell that carried the corporate 5000-series fleet.
357F9, 74Wh 6-cell
Big capacity for the gaming chassis that eats packs.
N3X1D, 65Wh
The screwdriver-free swap for the E-series guard.
The Whole Dell Range on One Screen
Code, capacity, fit and price, side by side.
| Code | Energy | Cells | Drops into | Also answers to | Price | Order |
|---|---|---|---|---|---|---|
| GJKNX | 68Wh | 4-cell | Latitude 5280-5591, Precision 3520/3530 | 5YHR4, 451-BBZG, 93FTF, 3DDDG | $59.99 | Buy |
| 357F9 | 74Wh | 6-cell | Inspiron 15 5000/7000 Gaming | 71JF4, 0GFJ6, 071FJ4, 00GFJ6, P65F | $59.99 | Buy |
| N3X1D | 65Wh | Dell spec | Latitude E6440, E6540, Precision M2800 | Dell original type | $42.99 | Buy |
Prices pulled from each listing, September 2026. GD1JP and DNDM6 show up on some manifests as GJKNX aliases.
Find Your Chassis, Then Your Code
Three machine families, three cells, zero crossover.
Business Latitudes
5000-series fleet
- Every 5280 through 5591 plus both Precision workstations: one GJKNX cell, $59.99
- On the 5420 generation, watch the voltage pairing: the WY9DX and RJ40G story
Inspiron Gaming
5576 to 7567
- Both the 5000 and 7000 Gaming chassis: the 74Wh 357F9, $59.99
- 74Wh outlasts every stock option Dell hung on that frame
E-series Guard
E6440 and E6540
- Both veterans plus the M2800: N3X1D at $42.99
- Latch-out design means the swap takes seconds and zero tools
What This Store Puts Behind Every Pack
Warranty
Defect in year one, replacement on its way, no debate.
Return window
Unused, original box, order number, two months to change your mind. Our errors ship back free.
Pre-ship check
Every pack cycles once on the bench and logs its measured capacity before the box closes.
Human answers
support@laptopbatteriesadapters.com or WhatsApp +86 185 7067 9070, answered inside a day.
Matched, Measured, Then Mailed
Why the code is the whole game
Dell machines interrogate the pack at boot. A cell that answers to the right type code, GJKNX against the 5280-5591 run with its 5YHR4 and 451-BBZG aliases, clears that handshake every time. Something that merely looks similar trips the warning that sends people to the forums, and the BIOS fix guide covers what to do when it happens anyway.
The numbers before the box
Bench log first, shipping label second. Measured capacity gets written beside the rated figure, and anything reading light stays behind. Dell's own 68Wh GJKNX specification lists around $99.95 direct; the identical code sits here at $59.99 with the same year of cover. What tends to go sideways after a purchase, and how each failure gets fixed, is laid out in what can go wrong on our sister store's journal.
Pick Your Pack, or Clear the Error First
Two tools: one names the battery, the other fixes the warning that sends people buying twice.
The code decides. We just confirm it.
Send the type code off the old pack or the service tag off the chassis. The answer lands before any money moves.
Send the code See the shelfDell Battery Questions, Straight Answers
Longer Guides From the Blog
Deep dives worth the read once the right pack is in the cart.
HT03XL vs. HW03XL vs. LK03XL
Three HP codes that refuse to cross, dissected. Identical discipline applies to Dell codes.
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Before You Order: HP Battery Model Number Check
Label locations and reading order, photographed step by step. Same drill for any brand.
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How to Buy an HP Laptop Battery: 6 Checks Before You Pay
Six filters that kill wrong orders before checkout. Two of them map directly onto Dell packs.
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