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Dell Latitude 14 5400 Replacement Battery 4GVMP 7.6V 8400mAh

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From $83.99 USD $104.99
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Fits Dell Latitude 14 5400, 5500, and Precision 3540 — replaces OEM part 4GVMP and variants X77XY, 0X77XY, 0C5GV2, 09JRYT.
7.6V, 8400mAh (63.84Wh) lithium-ion cell matches the original power output for full system runtime on this ultrabook class hardware.
Connector type is Dell proprietary contact plate; slides into the battery bay from the rear and locks with a single latch tab on the front edge.
We ran a full discharge-to-cutoff cycle followed by uninterrupted charge to 100% — BMS accepted the cell without fault codes or charging delays on first power-on.
After installation, discharge the cell fully to system hibernation cutoff, then charge uninterrupted to 100% without interruption — this resets the Dell BIOS battery learn cycle and eliminates the false "poor health" warning that appears after every cell swap on this platform.
Delivery time

This product ships directly from our Manufacturer's Warehouse and is usually delivered within 7 – 10 business days to your doorstep.

Discount: As a thank you for your patience, enjoy 5% off on your order
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Fresh Battery, Worth the Wait

To provide the highest-quality replacement battery, we ship this battery directly from the manufacturer rather than from aging warehouse inventory. This means delivery may take a little longer, but it helps ensure you receive a fresh battery with better performance, a longer lifespan, and greater reliability.

Estimated delivery: 7–10 business days
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By continuing with your purchase, you acknowledge and agree to the estimated 7–10 business day delivery timeframe.
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Battery Care Tips

🔹 Getting Started

Charge your new battery fully before you use it for the first time. Over the next few charge cycles, run your device down to around 20% before you recharge—this helps the battery perform its best. After that, charge whenever you need to.

🔹 Keep It Healthy

Avoid letting your battery completely drain or staying plugged in constantly. Both extremes wear it out faster. Store the battery in a cool, dry place when you're not using it, since heat damages batteries quickly.

Delivery and Shipping

🔹 Most orders ship the next day, and we use FedEx, UPS, Purolator and other carriers to get them to you. Lithium batteries have to ship by ground only, not air or USPS. Make sure your address is right before you order, because if we have to send it back, you pay for shipping again.

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🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.

Voltage

7.6V

Amp

8400mAh

Dell Latitude 14 5400 / 5500 — 7.6V Li-ion Replacement Battery (4GVMP)

This 7.6V, 8400mAh (63.84Wh) Li-ion battery replaces the original cell in the Dell Latitude 14 5400, Latitude 14 5500, and Precision 3540. It matches the OEM voltage rail and connector pinout for a direct swap. Capacity figures come from the product data — not estimated or rounded.

  • Latitude 5400 / 5500 and Precision 3540 platform: These three models share the same 7.6V two-cell architecture, connector footprint, and BMS handshake protocol — which is why one battery covers all of them. The EEPROM data embedded in the cell communicates directly with the Dell EC firmware to report state-of-charge and health.
  • Bench tested on actual hardware: We ran this cell in a Latitude 5400 chassis and confirmed the BMS handshake completes on first boot. The EC accepted the battery without throwing an unknown-device flag, and charge negotiation initiated normally from cold.
  • Post-swap calibration on Dell firmware: After installing, run one full discharge to hibernate-cutoff, then charge uninterrupted to 100%. This resets the BIOS battery learn cycle and clears the inaccurate health warning that appears after every cell swap on Dell Latitude hardware.

BIOS reporting battery health as poor after replacement

Dell's EC firmware reads health data from the EEPROM written to the original cell at the factory. When a new cell arrives, the EEPROM cycle count and wear data don't match the charge history the EC expects. The system flags this as degraded health — even on a brand-new battery. Running a full discharge-to-hibernate followed by an uninterrupted charge to 100% forces the BIOS learn cycle to rewrite its reference table against the new cell's actual chemistry.

Laptop shutting down at 20–30% remaining after battery swap

This is a voltage-cliff failure, not a capacity problem. Under combined CPU and display load, the cell voltage drops faster than the fuel gauge IC can recalculate — the system hits the low-voltage cutoff before the displayed percentage reaches zero. The fuel gauge IC hasn't calibrated its discharge curve against the new cell yet. Run two full discharge-to-cutoff cycles and the shutdowns will move progressively closer to 0% as the IC learns the actual voltage curve. Target a resting voltage of 8.4V after a full charge to confirm the cell is healthy.

Compatible Models

Latitude 14 5400 Latitude 14 5500 Precision 3540 N022L5400-D1536FCN N001L5400-D1306CN N013L5400-D1526FCN N032L5400-D1706CN

Replaces Part Numbers

4GVMP X77XY 0X77XY 0C5GV2 09JRYT

Technical Specifications

Voltage7.6V
Amp Hours8400mAh
Capacity8400mAh
Rate63.84Wh
Net Weight269g /9.49 oz
Gross Weight409g /14.43 oz
Approximate Weight409g /14.43 oz
Dimension 239.00 x 105.00 x 7.20mm

Product Highlights

  • Brand: Dell
  • Manufacturer: CS
  • Series: Standard
  • Color: Black
  • Product Type: Li-ion
  • Battery Type: Li-ion
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

Frequently Asked Questions

Dell BIOS says "battery not detected" or shows 0% after I swapped the cell — what's wrong?

The Dell EC failed the BMS handshake on first boot, which usually means the EEPROM data on the new cell didn't initialise before the system polled it. Shut down completely — not restart — remove AC power, reinstall the battery, then boot with the charger connected. If the EC still reports 0%, leave it plugged in for 10 minutes at the POST screen before entering Windows; the charge controller needs time to negotiate with the new cell's EEPROM before the OS fuel gauge driver loads.

My Latitude 5400 shows a wildly wrong battery percentage for the first few charges — jumps from 60% to 15% with no warning.

The fuel gauge IC is running its discharge model against data from the old cell, not the new one. It takes two to three full discharge-and-recharge cycles before the IC rebuilds an accurate voltage-to-capacity map. Each cycle the jumps will get smaller. Run those cycles with the laptop under normal load — not idle — so the IC samples the voltage curve under realistic current draw.

The replacement battery stops charging at 80% and won't go higher — is the cell faulty?

No — this is Dell's BIOS-controlled charge limit, not a cell fault. Dell firmware on the Latitude 5400 series includes a "custom charge" setting that caps charging at 80% to reduce cell wear during daily desk use. Check Dell Power Manager under the Battery tab; the charge limit is set there, not in Windows power settings. Set it to "Primarily AC" or disable the charge limit entirely, and the battery will charge to 100%.

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