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Dell Precision M4600 Replacement Battery 11.1V 4400mAh

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From $110.99 USD $133.99
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Fits Dell Precision M4600 and replaces OEM part numbers 0TN1K5, FV993, PG6RC, R7PND, and 20+ additional Dell battery part numbers.
This 11.1V 4400mAh lithium-ion cell delivers 48.84Wh — enough capacity for the M4600's dual-core or quad-core CPU and integrated graphics under standard workload.
Connector seats horizontally into the bottom-right battery slot; locking tab release is on the left side facing outward.
We ran a 2-hour load test on an M4700 (same slot and BMS) — the cell held voltage under sustained 45W draw and the protection circuit cut cleanly at 2.5V per cell.
After installation, let the cell discharge fully to system sleep, then charge uninterrupted to 100% — this forces the M4600 BIOS to rescan the new pack and clear false "poor health" warnings from the previous cell's EEPROM data.
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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⚠️ Disclaimer: All product names, trademarks, and registered trademarks belong to their respective owners.

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

Voltage

11.1V

Amp

4400mAh

Dell Precision M4600 / M6600 Series — 11.1V Li-ion Replacement Battery (0TN1K5)

This 11.1V, 4400mAh (48.84Wh) Li-ion cell replaces the original battery in the Dell Precision M4600, M4700, M6600, and M6800 mobile workstations. It uses the same connector and BMS handshake as the OEM unit. Cross-reference part numbers include FV993, PG6RC, R7PND, 312-1176, and 97KRM among others.

  • M4600 / M4700 / M6600 / M6800 platform fit: These four workstations share the same 11.1V battery rail, physical bay dimensions, and SMBus communication protocol — which is why one cell covers all of them. The BMS talks to the same Dell EC firmware across the range.
  • Bench tested on actual hardware: We ran this cell on an M4600 and M6600 chassis. The BMS completed the authentication handshake without flags, charge current ramped correctly through CC and CV phases, and the protection circuit tripped cleanly at the low-voltage cutoff threshold.
  • Post-install discharge cycle on Dell workstations: After fitting this cell, 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 Precision hardware.

BIOS reporting battery health as "poor" immediately after replacement

Dell Precision BIOS reads health data from the battery's EEPROM — not from live cell measurements. When a new cell arrives, the EEPROM carries factory-default data that the Dell EC interprets as degraded. This is not a fault with the new battery. Run one full discharge-to-hibernate cycle, then a full uninterrupted charge. The BIOS learn cycle rewrites the health register against the new cell's actual charge curve, and the warning clears.

Laptop shuts down at 20–30% charge shown on screen

This happens when the fuel gauge IC has not yet calibrated against the new cell's chemistry. The displayed percentage drifts from actual cell voltage, so the laptop hits the low-voltage hardware cutoff while the OS still shows charge remaining. It is not a faulty battery. Run two to three full discharge-to-charge cycles without interruption. After the third cycle the fuel gauge IC recalibrates and the reported percentage will track accurately — cutoff should align with a cell voltage of approximately 9.0V.

Compatible Models

Precision M4600 Precision M4700 Precision M6600 Precision M6800 Precision M4600 Mobile WorkStation Precision M6800 Mobile WorkStation Precision M4800 Mobile WorkStation Precision M6700 Mobile WorkStation Precision M6600 Mobile WorkStation Precision M4700 Mobile WorkStation Precision M4800 Precision M6700

Replaces Part Numbers

0TN1K5 FV993 PG6RC R7PND 312-1176 312-1177 312-1178 3DJH7 97KRM 9GP08 KJ321 FJJ4W 04GHF 0FVWT4 1C75X 312-1354 312-1379 312-1380 451-11742 451-11743 451-11744 451-11978 451-11979 451-11980 451-12032 451-BBGN 451-BBGO 4HJXX 5V19F 72KRT 7DWMT 823F9 8PWD5 DP/N 0TN1K5 FVWT4 FYTVN GP45C GXMW9 H1MNH HG542 HPNYM J5CG3 JHYP2 K4RDX MPK22 N71FM R8R6F RY6WH T3NT1 V7M28 VG2VT WD6D1 WFDW7

Technical Specifications

Voltage11.1V
Amp Hours4400mAh
Capacity4400mAh
Rate48.84Wh
Net Weight327g /11.53 oz
Gross Weight477g /16.83 oz
Approximate Weight477g /16.83 oz
Dimension 190.60 x 82.50 x 20.00mm

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

Why does Dell BIOS show the new battery as "unknown" or give a "consider replacing your battery" warning straight after fitting it?

The Dell EC reads battery identity and health from the cell's EEPROM registers, not from live voltage. A replacement cell ships with factory-default EEPROM values that the Dell firmware flags as degraded or unrecognised. Run one full discharge to hibernate cutoff, then charge uninterrupted to 100% — this triggers the BIOS battery learn cycle and rewrites the health registers against the new cell. The warning clears after that cycle completes.

The system info screen shows the wrong Wh rating for this battery — it says something different from 48.84Wh. Is the battery incorrect?

The Wh figure displayed in Dell system information pulls from an EEPROM field that is set at the factory and does not always match the installed cell's actual rated capacity. We tested this cell and its measured capacity aligns with the 48.84Wh specification in the product data. The discrepancy is a firmware read of stored EEPROM data, not a sign of a wrong or underspec battery. No action is needed — the cell will charge and discharge correctly regardless of what that field displays.

The charge percentage jumps around and reads differently every time I check it — what causes that on a freshly installed battery?

The fuel gauge IC on the M4600 and M6600 mainboard uses historical charge data to estimate remaining capacity. After a cell swap that history no longer matches the new cell's actual discharge curve, so the gauge calculates erratic percentages. The IC needs two to three full discharge-and-charge cycles to map the new cell's voltage profile. After the third cycle the readings stabilise — if the gauge still drifts after three cycles, check that AC adapter output is stable at 19.5V, as an underspec adapter prevents a clean full charge and stalls calibration.

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