Bulk A2976 Battery Replacement for MacBook Pro 16″ M3 Pro/Max (A2991) – 99.6Wh
-
Looking for the best A2976 Battery Replacement for MacBook Pro 16″ M3 (A2991)? Our 99.6Wh OEM-grade battery features fully decoded BMS and 140W fast charging support. Factory direct wholesale.
-
Exact Fit: Precision molded for MacBook Pro 16-inch (Late 2023) Model A2991.
-
Zero Cycle: Brand new cobalt cells ensure 100% health and peak performance.
-
Legal Max Capacity: 99.6Wh design meets IATA flight regulations for safe travel.
-
B2B Ready: UN38.3 certified for easy global shipping and customs clearance.
Product Description
The Ultimate A2976 Battery Replacement for M3 Pro Workstations
The MacBook Pro 16-inch (M3 Pro/Max) is Apple’s flagship, and it deserves a power source that matches its capabilities. When your customers report battery draining fast or service warnings, you need a reliable solution. Balder Power provides the highest quality A2976 Battery Replacement on the market, specifically engineered to handle the power spikes of the Apple M3 Silicon architecture.
Unlike generic batteries that trigger “Unknown Part” errors, our A2976 Battery Replacement features a fully decoded Texas Instruments (TI) BMS chip. This ensures seamless communication with the A2991 logic board, displaying accurate cycle counts and health percentages in macOS.
Why Choose Our A2976 Battery Replacement? We manufacture this MacBook Pro 16 M3 Battery using Tier-1 Li-Polymer cells. We strictly control the capacity at 99.6Wh (8600mAh). This specific capacity is crucial because it maximizes runtime while staying just under the 100Wh limit set by FAA and EASA for carry-on luggage—a critical selling point for business professionals.
Compatibility Checklist:
-
Part Number: A2976 Battery Replacement
-
Laptop Model: MacBook Pro 16-inch (Late 2023)
-
Model ID: A2991
-
Chipset: M3 Pro / M3 Max
-
Warning: This battery does NOT fit M1 (A2485) or M2 (A2780) models.
Technical Parameters
Specification Sheet: A2976 Battery Replacement
| Specification | Data |
|---|---|
| Product Name | A2976 Battery Replacement |
| Compatible Model | MacBook Pro 16″ A2991 (2023) |
| Capacity | 99.6Wh / 8600mAh |
| Voltage | 11.57V |
| Cell Grade | Grade A+ (Cobalt Oxide) |
| Warranty | 12 Months |
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
⚡ Supports 140W Fast Charging Speed matters. Our A2976 Battery Replacement is built with low-impedance cells that safely accept Apple’s 140W MagSafe charging. Your customers can go from 0% to 50% in just 30 minutes, restoring mobility instantly.
🏭 Factory Direct Quality Control As a dedicated manufacturer, we don’t sell dead stock. Every A2976 Battery Replacement unit undergoes a 72-hour aging test and rigorous OCV (Open Circuit Voltage) grading before leaving our factory. You receive “Factory Fresh” batteries with 0 cycles.
❄️ Advanced Thermal Management The M3 Max chip generates heat under load. Our A2991 Battery pack utilizes ceramic-coated separators and high-grade thermal isolation pads. This prevents heat transfer from the logic board to the cells, ensuring the battery stays cool and safe during heavy video rendering.
📦 Wholesale & Bulk Shipping We simplify your supply chain. Our A2976 Battery Replacement comes with full UN38.3, MSDS, and PI965 documentation. Whether you are a repair shop needing 5 units or a distributor needing 500, we handle the Dangerous Goods logistics 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: Does this A2976 battery support the “Optimized Battery Charging” feature in macOS? Yes. Our intelligent BMS chip communicates fully with the macOS SMC, allowing features like “Optimized Battery Charging” and “Low Power Mode” to function correctly, preserving long-term battery health.
Q2: Is it safe to use a non-Apple battery in an M3 Max MacBook Pro? Absolutely, provided the battery is of high quality. Our OEM-Grade A2976 Battery undergoes stricter quality control than standard aftermarket parts. We use fire-retardant materials and thermal sensors that match the OEM safety standards to protect high-value hardware.
Q3: What makes your “OEM-Grade” different from other wholesale batteries? Many wholesalers sell “B-Grade” cells with fake capacity labels. Our “OEM-Grade” means we use 100% new Cobalt cells (not recycled) and the capacity is true 99.6Wh. We provide a test report with every batch proving the discharge curve matches the original.
Q4: How do I verify the battery cycle count after installation? After installing our battery, hold the “Option” key and click the Apple logo > System Information > Power. You will see “Cycle Count: 0” or “1” (due to factory QC testing) and “Condition: Normal”.
Q5: Can you provide customized labeling for my repair brand? Yes. For orders over 100 units, we can print your company logo or custom SKU on the battery label, helping you build your own brand authority in the repair market.
Q6: What is the shelf life if I stock these for my shop? Our batteries are shipped at a storage voltage (approx 3.8V per cell). They can be stored for 6-12 months without significant degradation. We recommend checking voltage every 6 months for long-term storage.
Related Products
Looking for more laptop battery models for distribution? Browse our wholesale laptop battery category for bulk supply and factory pricing.
