A2519 Battery Wholesale – ORIGINAL Quality for MacBook Pro 14″ A2442 (Late 2021) EMC 3650
-
Purchase premium A2519 Battery Wholesale for MacBook Pro 14″ A2442 (Late 2021). 69.6Wh true capacity, factory direct bulk pricing with 12-month warranty.
-
Perfect Fit: Designed strictly for MacBook Pro 14-inch M1 Pro/Max (Model A2442, Late 2021).
-
Core Specs: 11.47V | 69.6Wh | 6068mAh | 6-Cell Li-Polymer.
-
Wholesale Perks: Low MOQ, Competitive Factory Price, Neutral/OEM Packaging.
-
Quality Guarantee: TI Gauge Chip, Grade A+ Cells, 100% Load & Aging Tested.
Product Description
Welcome to Balder Power. We specialize in providing high-quality A2519 Battery Wholesale solutions for professional repair shops, IT parts distributors, and refurbishers worldwide. If you are sourcing reliable replacement batteries for the popular 14-inch MacBook Pro (2021 M1 model), our factory-direct A2519 battery is your best choice for balancing cost and performance.
Unlike generic batteries that degrade quickly, our A2519 replacements are manufactured using Tier-1 lithium polymer cells, ensuring they match the original Apple battery’s endurance and peak power delivery.
💻 Comprehensive Compatibility List
*To ensure zero returns, please verify the exact model number before placing bulk orders. This battery is exclusive to the 2021 M1 14-inch model.
1. Compatible Laptop Models:
-
MacBook Pro (14-inch, 2021) – M1 Pro / M1 Max Chip
-
Model ID: MacBookPro18,3 / MacBookPro18,4
-
Model Number (Back Case): A2442
-
EMC Number: EMC 3650
2. Compatible Apple Part Numbers (Order Numbers):
(Supports both Space Gray and Silver variations)
-
MKGP3LL/A (M1 Pro, 8-core CPU)
-
MKGQ3LL/A (M1 Pro, 10-core CPU)
-
MKGR3LL/A (M1 Pro, 8-core CPU)
-
MKGT3LL/A (M1 Pro, 10-core CPU)
-
Includes all CTO (Configure-to-Order) versions based on the A2442 chassis.
3. Compatible Battery Part Numbers:
-
A2519
-
616-00782 (and related specific part numbers for the A2442 battery module)
⚠️ Important Compatibility Note:
This battery is NOT compatible with:
-
MacBook Pro 14-inch (2023) M2 Pro/Max – Model A2779 (Uses Battery A2830)
-
MacBook Pro 13-inch models.
Technical Parameters
| Parameter | Specification Details |
|---|---|
| Product Name | Replacement Battery for MacBook Pro 14″ (2021) |
| Battery Model | A2519 |
| Compatible Laptop | MacBook Pro 14-inch A2442 (Late 2021) |
| EMC Number | EMC 3650 |
| Voltage | 11.47V |
| Rated Capacity | 6068mAh / 69.6Wh |
| Cell Configuration | 6-Cell Li-Polymer |
| Certifications | CE, FCC, RoHS, UN38.3, MSDS |
| Warranty | 12 Months (Factory Warranty) |
| Compatible Series | MKGP3LL/A, MKGQ3LL/A, MKGR3LL/A, MKGT3LL/A |
Need a stable supply plan? Send your model list + quantities + destination. We’ll confirm lead time, shipping method, and compliance documents before you place the order.
Features & Advantages
Maximize your profit margins with our A2519 Battery wholesale pricing. By sourcing directly from our factory, you eliminate middleman markups. We support flexible orders—from small sample batches (MOQ 5 pcs) to large container shipments.
⚡ True Capacity & Stable Voltage
-
69.6Wh / 6068mAh: We do not fake capacity. Our battery restores the laptop’s original battery life, supporting heavy workflows like video editing and compiling code.
-
11.47V Output: Matches the system’s power requirement perfectly to prevent random shutdowns or CPU throttling.
🛡️ Intelligent Safety System
Built with an advanced BMS (Battery Management System) that communicates seamlessly with macOS.
-
Protections: Over-charge, Over-discharge, Over-current, Short-circuit, and Thermal protection.
-
0 Cycle Count: Delivered brand new with zero usage cycles recorded.
✈️ Global DG Shipping Expert
Shipping lithium batteries requires expertise. We are fully certified (UN38.3, MSDS) to ship Class 9 Dangerous Goods to the USA, Europe, Australia, and beyond via UPS, FedEx, or Sea Freight, handling all customs clearance for you.
Packing & Delivery
Lead Time & Shipping
In-stock items: Ship within 3 days
For standard replacement models with available inventory.Mass production orders: Ship within 7 days
For regular models under confirmed specifications and packaging requirements.Customized orders: Ship within 15 days
For custom cell configuration, size, wire/connector, PCB/BMS, labeling, or packaging.
Note: Final dispatch time depends on total quantity, model complexity, packaging requirements, and shipping compliance documents. We will confirm the estimated shipping date (ETD) after order confirmation.
Air freight (urgent, smaller volume)
Sea freight (cost-effective for bulk)
Rail / Truck (subject to destination)
Express channels
Documents available: UN38.3 / MSDS / Transport Test Report (if applicable)
Compliant packaging and carton labeling can be arranged based on the chosen shipping method.
EXW / FOB / CIF / DDP available
Why Choose Us As Your Wholesale Laptop Batteries Supplier?
With 10+ years in lithium battery production, 1,600+ standard & custom models, and shipments to 40+ countries, Balder Power build replacement batteries with consistent performance—ready for wholesale and OEM supply.
10+ Years Production Know-How
We’ve focused on lithium battery manufacturing for over a decade, combining practical engineering experience with stable mass-production output.
Model Coverage for Bulk Supply
We support 1600+ standard and customized battery models, helping wholesalers cover more brands and device generations efficiently.
In-House Team & Production Capability
Backed by 100+ engineers and employees, plus advanced labs and production lines, we can respond quickly to specs, compatibility issues, and OEM requests.
Automated Lines + Strict QC
Our workflow is designed for consistency: automated production lines and strict quality control from cell selection to final assembly.
OEM Compatibility Engineering (TI Protocol)
For all replacement batteries, we use 1:1 precision molds and intelligent BMS chips that follow original TI protocols, improving recognition and compatibility with the device.
Shipping-Ready for Lithium DG
We’re experienced with Class 9 DG shipments, and can provide UN38.3 & MSDS documents. For small orders we can use DG express channels; for bulk, we can support cost-effective DDP options.
Complete Your Repair OR Retail Inventory: More Apple Battery Solutions
Our Quality Commitment: How We Manufacture Your Laptop Batteries
At Balder Power, transparency in our manufacturing process is the foundation of our partnership with you. We adhere to rigorous industrial standards to ensure that every battery you receive is stable, safe, and high-performing.
Every single cell entering our production line must pass through strict capacity grading. We utilize high-precision grading cabinets to measure the actual capacity, internal resistance, and voltage of each cell. By grouping only perfectly matched Grade A cells, we prevent premature degradation and ensure an extended cycle life for the final battery pack.
We utilize advanced high-speed automated assembly lines to weld individual lithium cells into unified packs (e.g., 3-cell or 6-cell configurations). Laser-controlled precision welding ensures ultra-low internal resistance and uniform connectivity across all nickel tabs, providing significantly higher structural integrity and current stability than traditional manual welding.
The Battery Management System (BMS) is the brain of the battery. Our protection boards are manufactured on fully automated SMT (Surface Mount Technology) lines. This automation eliminates human error, ensuring that every safety component—from overcharge protection to short-circuit safeguards—is soldered with microscopic precision for consistent electronic stability.
Superior final assembly is critical for efficient current conduction. Our expert technicians utilize professional pulse spot-welding equipment to join the completed cell packs with the BMS boards. This process ensures low-resistance connections that can easily handle the high-wattage demands of modern laptops while remaining structurally sound under thermal stress.
Quality is found in the details. Every battery undergoes a meticulous visual inspection after assembly. Beyond checking for aesthetic defects, we use precision calipers to verify that the housing matches 1:1 OEM dimensions, ensuring a perfect fit in the laptop bay without being too tight or too loose.
Every finished battery must undergo at least two full charge-and-discharge cycles on our aging racks. During this process, we monitor voltage curves and temperature changes in real-time. Only batteries that demonstrate flawless performance under high-intensity stress tests are approved for the next stage.
Every single cell entering our production line must pass through strict capacity grading. We utilize high-precision grading cabinets to measure the actual capacity, internal resistance, and voltage of each cell. By grouping only perfectly matched Grade A cells, we prevent premature degradation and ensure an extended cycle life for the final battery pack.
The final step is specialized packaging designed for global logistics. Each battery is sealed in an Anti-Static (ESD) bag and placed within custom-fitted, shock-absorbent lining. Our packaging meets international standards for Class 9 Dangerous Goods, ensuring safe arrival and a premium unboxing experience for your retail customers.
Our lithium battery certifications
FAQ
Q1: What is the wholesale price for the A2519 battery?
Our wholesale pricing depends on order volume. We offer tiered pricing for 10+, 50+, and 100+ units. Please submit a quote request or contact our sales team directly for the latest factory price list.
Q2: Does this A2519 battery fit the 2023 M2 MacBook Pro 14-inch?
No. The A2519 battery is exclusively for the Late 2021 MacBook Pro 14-inch (A2442). The 2023 M2 model (A2779) requires a different battery model (A2830). Please confirm your laptop model year before ordering.
Q3: Does the battery come with adhesive strips for installation?
Yes, all our MacBook Pro replacement batteries come with pre-installed high-quality adhesive strips, making the installation process easier for repair technicians.
Q4: How do you ensure the quality of your replacement batteries?
We implement a strict QC process: 1. Incoming Cell Inspection (IQC); 2. Semi-finished product testing; 3. 100% Aging Test (charging/discharging cycles); 4. Final visual and voltage check (OQC) before packing.
Q5: Can I mix A2519 batteries with other models in one shipment?
Yes, we support mixed batch orders. You can combine A2519 (14-inch) and A2527 (16-inch) batteries in a single shipment to save on logistics costs and meet our MOQ requirements.
Q6: What is the warranty period for B2B clients?
We provide a solid 1-year warranty for all our B2B partners. In the rare event of a defect (RMA), we offer credit or free replacements in your next order to ensure your business runs smoothly.
Related Products
Looking for more laptop battery models for distribution? Browse our wholesale laptop battery category for bulk supply and factory pricing.
