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Apple MacBook Pro 15" A1286 Replacement Battery 10.8V 4600mAh

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From $119.99 USD $143.99
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Fits Apple MacBook Pro 15" A1286 models; replaces OEM part A1281, MB772, MB772*/A, MB772J/A, MB772LL/A.
10.8V lithium-polymer pack at 4600mAh delivers stable voltage under full CPU and display load on this unibody chassis.
Connector seats flush into the battery bay slot with positive terminal oriented toward the logic board contact strip.
Bench testing showed the BMS accepted charge across the full voltage envelope; no early cutoff or thermal throttle on load cycling.
After installation, run one complete discharge to sleep mode then charge uninterrupted to 100% — this resets the BIOS battery learn cycle and clears the inaccurate health warning that appears after every cell swap.
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.

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

10.8V

Amp

4600mAh

Apple MacBook Pro 15" A1286 — 10.8V Li-Polymer Replacement Battery (A1281)

This is a 10.8V, 4600mAh (49.68Wh) lithium-polymer battery for the Apple MacBook Pro 15" A1286, including the Aluminum Unibody 2008 models. It fits the MB470 and MB772 chassis variants listed under OEM part numbers A1281 and MB772LL/A. Install it when the original cell no longer holds a charge or macOS flags battery health as degraded.

  • A1286 Aluminum Unibody compatibility: These 2008-era 15" MacBook Pro units share the same 10.8V power rail, the same physical connector, and the same BMS handshake profile — which is why all MB470 and MB772 sub-variants accept the same replacement cell.
  • Bench tested on actual hardware: We ran this cell on an A1286 chassis and confirmed the BMS completed a full charge cycle without tripping overcharge protection. macOS System Information reported correct voltage and Wh values after the first complete cycle.
  • Post-install calibration for A1286: After fitting this cell, run the MacBook until it reaches hibernate cutoff — do not interrupt — then charge uninterrupted to 100%. This forces the onboard fuel gauge IC to re-learn the new cell's actual capacity and clears the inaccurate health warning that appears after every cell swap.

MacBook Pro A1286 shutting down at 20–30% charge remaining after battery swap

This is a voltage cliff problem, not a capacity defect. Under combined CPU and display load, the new cell's voltage drops faster than the uncalibrated fuel gauge expects. macOS reads a falsely inflated state-of-charge right up until the cell voltage falls below the BMS cutoff threshold — then the system shuts off instantly. Run two full discharge-to-hibernate cycles followed by uninterrupted charges to 100%. After the second cycle, the fuel gauge IC recalibrates against the real voltage curve of the new cell and the premature shutdowns stop.

macOS reporting wrong Wh rating in System Information after fitting this cell

System Information pulls Wh data from EEPROM values stored in the battery's onboard controller — not from a live chemistry measurement. The old cell's EEPROM data may still be cached, or the new cell's rated Wh differs slightly from the figure Apple's firmware expects. This is a firmware reconciliation issue and does not affect how the cell charges or discharges. Run the calibration cycle described above; after one full discharge and recharge, the reported Wh value should align to 49.68Wh.

Compatible Models

MacBook Pro 15" A1286 MacBook Pro 15" Aluminum Unibody 2008 Version MacBook Pro 15" MB470*/A MacBook Pro 15" MB470CH/A MacBook Pro 15" MB470J/A MacBook Pro 15" MB470LL/A MacBook Pro 15" MB470X/A MacBook Pro 15" MB471*/A MacBook Pro 15" MB471CH/A MacBook Pro 15" MB471J/A MacBook Pro 15" MB471LL/A MacBook Pro 15" MB471X/A MacBook Pro 15" New Version

Replaces Part Numbers

A1281 MB772 MB772*/A MB772J/A MB772LL/A A1286

Technical Specifications

Voltage10.8V
Amp Hours4600mAh
Capacity4600mAh
Rate49.68Wh
Net Weight353.1g /12.46 oz
Gross Weight613.1g /21.63 oz
Approximate Weight613.1g /21.63 oz
Dimension 248.70 x 80.13 x 11.21mm

Product Highlights

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

Frequently Asked Questions

macOS shows "Service Battery" immediately after fitting the new A1286 cell — is the replacement faulty?

It is not faulty. The "Service Battery" warning on A1286 hardware is triggered by EEPROM data mismatch — the system's battery controller still holds health metrics from the degraded original cell. Run one complete discharge to hibernate cutoff, then charge uninterrupted to 100%. That single calibration cycle overwrites the stale EEPROM read and clears the warning in most cases.

The fuel gauge on my MacBook Pro A1286 is jumping around — shows 60%, then 45%, then back to 55% within minutes of unplugging

The fuel gauge IC on the A1286 logic board needs calibration cycles against the new cell's actual voltage curve before its readings stabilise. Until it has that data, the percentage jumps erratically under load. Run two full discharge-to-hibernate cycles followed by uninterrupted charges to 100%. After the second cycle, the gauge IC has enough reference points to track state-of-charge accurately and the erratic readings stop.

New battery in the A1286 stops charging at 80% and will not go higher — charger light stays green

A green MagSafe light at 80% on A1286 hardware usually means the BIOS-level charge threshold is active — Apple's firmware can cap charging to protect a cell it still considers degraded based on old cycle count data. Reset the System Management Controller: shut down, hold Shift + Control + Option + Power for ten seconds, release all keys simultaneously, then plug in the MagSafe and charge. If the cap persists after an SMC reset, run a full calibration cycle from hibernate cutoff to 100% to give the firmware fresh cycle data.

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Apple MacBook Pro 15" A1286 Replacement Battery, 10.8V, 4600mAh, Li-Polymer 1

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