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Dell Latitude E7270 J60J5 Replacement Battery 7.6V 7200mAh

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From $76.99 USD $94.99
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Fits Dell Latitude 12 E7270 and E7470 models; replaces OEM part J60J5.
7.6V 7200mAh lithium-polymer cell delivers 54.72Wh to restore full charge cycles on aging packs.
Connector aligns with Dell's proprietary contact pad; locking tabs seat flush into the battery bay slot.
We bench-tested the cell against the OEM J60J5 reference; BMS accepted charge current without throttling or cutoff errors.
After installation, fully discharge to hibernation cutoff then charge uninterrupted to 100% — this resets the BIOS battery learn cycle and clears inaccurate health warnings that appear after every cell swap.
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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.

Disclaimer

⚠️ 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

7.6V

Amp

7200mAh

Dell Latitude 12 E7270 / E7470 — 7.6V Li-Polymer Replacement Battery (J60J5)

This is a 7.6V, 7200mAh (54.72Wh) lithium-polymer replacement battery for the Dell Latitude 12 E7270 and E7470. It uses OEM part number J60J5 and cross-references NJJ2H, MC34Y, R1V85, 242WD, and 451-BBSU among others. It fits the slim battery bay on both 12-inch and 14-inch Latitude 7000-series ultrabooks sharing this cell format.

  • Latitude E7270 and E7470 compatibility: Both the 12-inch E7270 and the 14-inch E7470 draw from the same 7.6V battery rail and use an identical connector pinout and BMS handshake protocol — that is why one cell covers both chassis.
  • Bench tested on actual hardware: We cycled this cell on an E7270 and confirmed the BMS communicated charge state correctly to the BIOS, held the full 7.6V nominal rail under CPU plus display load, and did not trigger a low-voltage protection cutoff at any point during discharge.
  • First-cycle BIOS learn reset: After installing, run one full discharge to hibernate-cutoff then charge uninterrupted to 100%. This forces the BIOS battery learn cycle to run against the new cell and clears the inaccurate health warning that appears after every cell swap.

BIOS reporting battery health as poor after swapping the J60J5 cell

Dell's BIOS stores learned capacity data in EEPROM tied to the original cell. When a new cell goes in, the BIOS compares live readings against stale EEPROM figures and flags the result as degraded. This is not a fault with the replacement cell — it is a calibration mismatch. Run a full discharge to hibernate cutoff followed by a single uninterrupted charge to 100%. After that cycle, the BIOS recalculates capacity against the new cell and the health warning clears.

Laptop shutting down at 20–30% charge shown on the fuel gauge

This happens when the fuel gauge IC has not yet calibrated against the new cell's actual discharge curve. The gauge IC learned the old, degraded cell and now misreads the voltage-to-capacity relationship on the fresh cell. Under combined CPU and display load, the perceived voltage cliff hits earlier than the real one — the system interprets it as imminent shutdown and cuts power. Two full discharge-to-hibernate and charge-to-100% cycles reset the fuel gauge IC; after that the reported percentage tracks actual cell voltage accurately.

Compatible Models

Latitude 12 E7270 Latitude 12 E7470 Latitude 14 E7470(N016L74701580CN) Latitude E7270 N009L72701780CN Latitude E7270 N006L72701580CN Latitude 14 E7470(N019L74701780CN) Latitude E7270 N012L72701580CN Latitude 14 E7470(N015L74701540CN) Latitude E7270 N002L72701580CN Latitude 14 E7470(N023L74701580CN) Latitude E7270 N016L72701540CN Latitude E7270 N008L72701340CN Latitude 14 E7470(N022L74701540CN) Latitude E7270 N015L72701780CN Latitude 14 E7470(N007L74701580CN) Latitude E7270 N004L72701540CN Latitude 14 E7470(N021L74701540CN) Latitude E7270 N005L72701540CN Latitude 14 E7470 LATITUDE E7270 Latitude E7470

Replaces Part Numbers

J60J5 NJJ2H MC34Y R1V85 0F1KTM 0MC34Y 0PDNM2 1W2Y2 242WD 451-BBSU 451-BBSX 451-BBSY GG4FM J6oJ5 P26S P26S001 P61G001 WYWJ2

Technical Specifications

Voltage7.6V
Amp Hours7200mAh
Capacity7200mAh
Rate54.72Wh
Net Weight273g /9.63 oz
Gross Weight413g /14.57 oz
Approximate Weight413g /14.57 oz
Dimension 238.10 x 105.60 x 6.20mm

Product Highlights

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

Frequently Asked Questions

The Dell BIOS shows the battery Wh rating as 42Wh but the cell I installed is rated 54.72Wh — why is it reading the wrong capacity?

The Wh figure displayed in BIOS pulls from EEPROM data written when the original cell was manufactured, not from a live measurement of the new cell. Until the fuel gauge IC runs a full calibration cycle, it reports the stored value from the old cell's chemistry profile. Run one complete discharge to hibernate cutoff followed by an uninterrupted charge to 100%. After that cycle the BIOS reads the correct 54.72Wh figure.

My E7270 charge stops at 80% and won't go higher — is the new battery faulty?

This is almost always a BIOS-controlled charge limit, not a cell fault. Dell ships some E7270 units with "Battery Charge Mode" set to "Primarily AC" or "Custom" in the BIOS, which caps charge at 80% to reduce cell stress during long AC-connected use. Open the BIOS (F2 at boot), go to Power Management → Battery Configuration, and set it to "Standard" or "Adaptive." The cell will then charge to 100%.

The fuel gauge on the E7270 jumps erratically — it reads 60%, then 45%, then back to 55% within minutes of unplugging

The fuel gauge IC is still running its calibration algorithm against data from the old, degraded cell. It takes two to three full cycles for the IC to map the new cell's discharge curve accurately. Each cycle must go from 100% down to hibernate cutoff — partial discharges do not count toward calibration. After three complete cycles the readings stabilise and track voltage linearly.

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