bossfulton MacBook Pro 14" A2442 A2519 Battery 69.9Wh

The bossfulton A2519 is a direct-fit replacement battery for the MacBook Pro 14-inch A2442 (2021) offering 6100mAh (69.9Wh) capacity and built-in multi-protection circuitry.

If the original battery in your MacBook Pro 14" (model A2442, 2021) is showing reduced runtime or unexpected shutdowns, this bossfulton A2519 pack provides a factory-new Li-Polymer cell designed to match the OEM form factor and electrical specs. It ships with the tools and instructions needed for installation and includes industry-standard safety certifications to help ensure reliable daily use.

Will this battery physically fit my MacBook Pro 14-inch A2442 (2021)?

Yes — the A2519 by bossfulton is manufactured to the same dimensions and connector placement as the original A2442 battery for the 2021 14" MacBook Pro. It is listed as compatible with model numbers MKGR3LL/A, MKGP3LL/A, MKGT3LL/A, MKGQ3LL/A and EMC numbers 3650, 8102, and 8304. For straightforward swapping, follow the included manual or professional installation guidance.

• Exact model compatibility: A2442 series (2021) MacBook Pro 14"
• Connector and mounting points matched to OEM design
• Comes with screwdriver set and user manual for installation

How long will the 6100mAh battery run compared to the original?

The bossfulton A2519 has a rated capacity of 6100mAh (69.9Wh), which is specified to align with the original battery's energy storage for typical usage patterns. Actual runtime depends on screen brightness, apps running, and system settings; under light-to-moderate workloads you should expect comparable daily endurance.

• Capacity: 6100mAh / 69.9Wh at 11.47V
• Runtime varies by workload—matches OEM spec for similar conditions
• Optimizing brightness and background apps improves battery life

Is the battery safe and certified for use?

This replacement battery includes UL, CE, FCC, and RoHS certifications and a built-in multi-protection PCB that guards against common electrical faults. Those protections help minimize risks from overcharge, over-discharge, short circuits, and overheating, but correct installation and using Apple-recommended chargers remain important for safe operation.

• Safety certifications: UL, CE, FCC, RoHS
• Multi-protection PCB: overcharge, over-discharge, short circuit, overheat protection
• Manufacturer advises correct installation and compatible charging accessories

What comes in the box and what customer support is offered?

Each package includes one bossfulton A2519 battery, a screwdriver set tailored for MacBook disassembly, and a user manual to guide installation. bossfulton backs the product with a 30-day return window and a 12-month replacement warranty, plus customer support that responds within 24 hours for troubleshooting and warranty claims.

• Included: A2519 battery, screwdriver set, user manual
• Returns: 30-day return policy; 12-month replacement warranty
• Support: customer service available with 24-hour response time

Who is this for: MacBook Pro 14" (A2442, 2021) owners who need a direct-replacement battery without searching for obscure part numbers. It’s suited to users who want an OEM-compatible capacity (6100mAh/69.9Wh), certified safety protections, and a kit that includes installation tools. If you prefer professional installation, technicians will find the bossfulton A2519 a straightforward, spec-matched replacement for restoring reliable portable power.