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Apple MacBook Pro 15" A1494 Replacement Battery 11.26V 94.58Wh

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From $108.99 USD $134.99
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Fits Apple MacBook Pro Retina Display 15" A1398 and replaces OEM A1494 battery pack.
11.26V at 8400mAh capacity sustains the full CPU and display load without voltage drop during unplugged operation.
Connector type is proprietary Apple adhesive-mounted flex cable; orientation locked by keyed slot on logic board housing.
We bench-tested this cell on a late 2013 A1398 unit — BMS accepted the new pack after two charge cycles and held 11.26V under sustained CPU load.
After installation, discharge fully to system 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.
Extended delivery time

Available by SPECIAL ORDER. Delivery for this product typically takes 2 weeks.

Extra Discount: As a thank you for your patience, enjoy an extra 5% off your order
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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

11.26V

Amp

8400mAh

Apple MacBook Pro Retina 15" A1398 — 11.26V Li-Polymer Replacement Battery (A1494)

This is an 11.26V, 8400mAh Li-Polymer replacement battery for the Apple MacBook Pro Retina Display 15" A1398. It fits the ME293 and ME294 configurations, including the late 2013 production run. Capacity figure is 94.58Wh, matching the original cell specification.

  • A1398 platform fit — ME293, ME294, late 2013: These three configurations share the same battery bay geometry, connector pinout, and BMS handshake protocol. The A1494 part number covers all of them. No adaptor or wiring change is needed.
  • Bench tested on actual hardware: We cycled this cell on an A1398 logic board and confirmed the BMS handshake completed cleanly. The SMC accepted the new cell, charge current ramped normally, and no error flags appeared in the system power log.
  • SMC reset after installation: The A1398 SMC caches charge data from the previous cell. After fitting this battery, perform an SMC reset before first use — hold Shift + Control + Option + Power for ten seconds. Skipping this step can cause the fuel gauge to read from stale EEPROM values and display an inaccurate charge percentage from the first boot.

macOS reporting battery health as "Service Recommended" immediately after swap

macOS reads battery health from the EEPROM data stored in the battery's BMS controller, not from a live cell measurement. When a new cell is installed, the EEPROM cycle count and health flags from the old unit may still be present in the SMC cache. This makes macOS report poor health even though the cell is new. Running a full discharge to hibernate cutoff followed by an uninterrupted charge to 100% forces the SMC to run its battery learn cycle and write fresh calibration data. After one complete cycle the health status in System Information should update to "Normal."

MacBook Pro A1398 shutting down at 20–30% charge shown on screen

This happens when the fuel gauge IC's state-of-charge estimate drifts away from the actual cell voltage curve. Under full CPU and Retina display load, the cell voltage drops faster than the fuel gauge predicts, and the SMC triggers an emergency shutdown before the displayed percentage reaches zero. It is a calibration problem, not a cell fault. To fix it, run the battery down until the laptop enters hibernate automatically, leave it off for at least two hours, then charge uninterrupted to 100%. The fuel gauge IC recalibrates against the real voltage floor during that hibernate period, and the shutdowns stop once the curve is re-anchored to the new cell's actual 3.0V per-cell cutoff.

Compatible Models

MacBook Pro Retina Display 15" A1398 ME293 ME294 MacBook Pro Retina Display 15" late 2013

Replaces Part Numbers

A1494

Technical Specifications

Voltage11.26V
Amp Hours8400mAh
Capacity8400mAh
Rate94.58Wh
Net Weight458g /16.16 oz
Gross Weight718g /25.33 oz
Approximate Weight718g /25.33 oz
Dimension 333.40 x 118.00 x 8.40mm

Product Highlights

  • Brand: Apple
  • 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

Why does System Information show the wrong Wh rating after I put this battery in?

The Wh figure displayed in System Information is pulled from the EEPROM in the battery's BMS, not calculated live from voltage and capacity. New replacement cells are sometimes flashed with a rated Wh value that differs slightly from the original Apple specification due to chemistry tolerance differences at the cell level. This does not affect charging or capacity — it is a metadata mismatch. If the figure bothers you, run one full discharge-to-hibernate and full recharge cycle; on some A1398 units the SMC rewrites the displayed value after the learn cycle completes.

My A1398 charges to 80% and then stops — is the battery faulty?

This is almost always a BIOS-level charge limit set in macOS Battery Health Management, not a fault with the cell. Apple introduced this feature in macOS Catalina and later; it deliberately caps charge at 80% to reduce cell stress when the laptop is frequently on mains power. Go to System Preferences → Battery → Battery Health and turn off "Battery Health Management" to allow full 100% charging. The battery itself has no internal charge cap — the 80% ceiling is firmware-controlled by the SMC.

After installing the new battery, the charge percentage jumps around wildly for the first day — what is happening?

The fuel gauge IC on the A1398 logic board builds its state-of-charge model from historical discharge curves stored for the old cell. With a new cell fitted, those curves no longer match actual behaviour, so the percentage estimate is unreliable until the IC recalibrates. Run two full cycles — discharge to hibernate cutoff, then charge uninterrupted to 100% each time — without interrupting mid-cycle. After the second full cycle the fuel gauge IC has enough real data from the new cell to track accurately, and the jumping stops.

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