MacBook Battery A2519 (14" A2442 A2779, 2021) – 11.4V 66.12Wh 5800mAh A+ Grade Replacement Battery

Product Parameters:

Key Selling Points:

• ✅ Designed for MacBook Pro 14" (A2442 / A2779, 2021)
  100% fit with original MacBook design and connector layout.

• ✅ High-Capacity Performance – 5800mAh / 66.12Wh
  Offers extended battery life for power users and professionals.

• ✅ Premium A+ Cells
  Stable voltage output and reduced wear even after heavy use.

• ✅ OEM-Level Compatibility
  Integrates seamlessly with macOS battery management system.

• ✅ Certified Safety
  CE, FCC, and RoHS compliant with smart IC protection.

• ✅ Eco-Conscious Build
  Low environmental impact and high energy efficiency.

• ✅ 12-Month Warranty + Support
  Trusted service and warranty for full peace of mind.

Product Advantages:

• Full Compatibility Without Errors:
  No "Service Battery" warnings or macOS compatibility issues.

• Long Cycle Life:
  Delivers over 1000 charge cycles—twice as long as cheap alternatives.

• Advanced Power Management Chip:
  Ensures consistent charging and discharging behavior.

• Quiet, Cool, and Efficient:
  Designed to minimize heat and power waste.

• Ideal for Everyday and Professional Use:
  Supports video editing, multitasking, development, and more.

Frequently Asked Questions (FAQ):

Q1: Which MacBook models are compatible with this A2519 battery?
A: This battery is compatible with MacBook Pro 14-inch models A2442 and A2779 released in 2021.

Q2: Will this battery show up properly in macOS?
A: Yes, it integrates seamlessly with macOS Battery Health Management and system diagnostics.

Q3: What tools or skills are needed for installation?
A: Intermediate skills are required. We recommend professional installation or using detailed online guides with proper tools.

Q4: How do I confirm my MacBook model number?
A: Click the Apple logo > “About This Mac” > check for the model identifier (e.g., A2442 or A2779).

Q5: How long can I expect the battery to last per charge?
A: With 5800mAh capacity, it can last 8–10+ hours under normal usage, depending on workload and settings.

Q6: Do you offer bulk orders or reseller pricing?
A: Yes, contact our support team for wholesale discounts and reseller partnerships.

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MacBook Battery A2519 (14" A2442 A2779, 2021) – 11.4V 66.12Wh 5800mAh A+ Grade Replacement Battery Images