Battery Model: A1820
Capacity: 6667mAh
Voltage: 11.4V
Cell Type: Li-ion
Condition: Brand New
✔ Low Return Rate (<0.3%)
✔ Professional QC Testing
✔ >500 times Cycle Life
✔ 2-5 Days Production Time
✔ Private Label Available
✔ Custom Packaging
✔ OEM Available
✔ Stable Performance Across Batches
✔ Stable Supply for Bulk Orders
Will these replacement MacBook batteries still work perfectly after macOS system updates?
Yes, our batteries feature smart upgraded management chips that perfectly match Apple system protocols so they remain fully compatible even after the latest macOS updates. Our advanced engineering guarantees stable performance across batches which means every single battery you order from us will deliver the same seamless user experience without any compatibility issues.
Do these replacement MacBook batteries use premium Smart Battery IC or equivalent high end control boards?
Yes, our batteries are built with high grade control chips that accurately report charge status temperature and health to the macOS system avoiding sudden laptop shutdowns and erratic battery percentage readings.
Do these MacBook replacement batteries feature reliable built in temperature sensors to prevent overheating?
Yes, every battery pack is equipped with highly sensitive built in temperature sensors and thermal safety switches that communicate with the battery management system. This ensures active protection against overheating and thermal runaway keeping the laptop safe during heavy workloads.
Do these MacBook batteries require a complex calibration process after installation?
No, our replacement batteries are ready to use right out of the box but we recommend completing one full charge and discharge cycle to calibrate the power system for maximum reporting accuracy.
Will the battery fit properly inside the MacBook?
Absolutely, our batteries are manufactured to precise original-spec dimensions for a secure and reliable fit in compatible MacBook models. This helps reduce installation time, minimize fitment issues, and support consistent repair quality for service centers, repair shops, and wholesale customers.
Cell chemistry, format, brand and grade depend on the selected product. LiFePO4 prismatic cells are not polymer pouch cells. For raw-cell orders, confirm the manufacturer, model, capacity, dimensions, terminal format, grading and test data before ordering. For replacement battery packs, confirm the compatible device and required cell/PCB configuration. Our real-world batch return rate is kept strictly below 0.3% through our 6-step testing process.
For our standard hot-selling catalog inventory, we can dispatch within 2-5 working days. For large-scale customized OEM or private label orders, production typically takes more days depending on material specifications. We always communicate real-time timeline tracking so you never experience local stockouts.
Our warranty is 12 months from the bill of lading (B/L) dispatch date. No returns to China are required. Send a photo or short video showing the unit SN/QR code and testing anomaly to your account manager. Valid claims are reviewed within 24 business hours. Approved claims may be resolved by replacement in the next shipment or invoice credit; batch defects exceeding 2% qualify for priority replacement dispatch at our cost. Coverage, exclusions and full procedures follow our B2B Support Policy.
Yes, for wholesale buyers looking to scale up, we provide premium OEM services. We can handle custom battery body silk-printing, custom-branded retail boxes with anti-static EVA foam or blister inserts, and warehouse barcode stickers.
Our minimum order quantity is 100 pcs per order. Mixed models are supported. Send your model list and quantities for wholesale pricing; our team will reply within 12 hours. If you need samples for business evaluation before a bulk order, include your company details and expected purchase plan in your inquiry.
Yes. We supply brand-new replacement batteries with professional inspection before shipment.
Each batch is checked for capacity, voltage, internal resistance and overall performance consistency.
Every batch follows quality inspection procedures, including:
This helps maintain stable performance and reduce after-sales issues.
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