A2527 Battery Wholesale – OEM Quality for MacBook Pro 16 Inch A2485 (Late 2021) EMC3651
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Premium A2527 Battery wholesale supply specifically for MacBook Pro 16-inch A2485 (Late 2021) EMC 3651.
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Model Compatibility: Fits MacBook Pro 16″ M1 Pro/Max (A2485) – MK1E3LL/A, MK183LL/A, MK1F3LL/A.
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Core Specs: 11.45V | 99.6Wh | 8700mAh | 6-Cell Li-Polymer.
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Business Benefits: Factory direct pricing, Tiered volume discounts, Neutral labeling available.
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Quality Grade: 100% Aging tested, TI Gas Gauge Chip, Cobalt-rich cells for long lifecycles.
Product Description
Welcome to Balder Power, your trusted partner for A2527 Battery wholesale and manufacturing solutions. We understand that for laptop repair shops, IT refurbishers, and parts distributors, consistency and profit margins are key. Our replacement battery for the MacBook Pro 16-inch (Late 2021) Model A2485 is engineered to deliver the same performance as the original Apple battery but at a price point that maximizes your business growth.
By choosing our A2527 Battery wholesale service, you are cutting out the middleman and dealing directly with a professional lithium battery manufacturer in China.
💻 Comprehensive Compatibility List
Please explicitly verify your device model before bulk ordering. This battery is designed exclusively for the 2021 16-inch M1 Pro/Max models.
1. Compatible Laptop Models:
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MacBook Pro (16-inch, 2021) – Equipped with Apple M1 Pro or M1 Max chip.
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Model Identifier: MacBookPro18,1 / MacBookPro18,2
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Model Number (Back Case): A2485
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EMC Number: EMC 3651
2. Compatible Apple Part Numbers (Order Numbers):
(Supports all color variations: Space Gray and Silver)
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MK183LL/A (16-inch, M1 Pro, Space Gray)
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MK193LL/A (16-inch, M1 Pro, Space Gray)
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MK1E3LL/A (16-inch, M1 Pro, Silver)
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MK1F3LL/A (16-inch, M1 Pro, Silver)
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MK1A3LL/A (16-inch, M1 Max, Space Gray)
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MK1H3LL/A (16-inch, M1 Max, Silver)
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Note: “LL/A” refers to the USA region, but our battery is compatible with all global region codes (e.g., ZP/A, B/A, CH/A, etc.) for the A2485 model.
3. Compatible Battery Part Numbers:
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A2527
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616-00923
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080-333-4000
⚠️ Important Note: This battery is NOT compatible with:
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MacBook Pro 16-inch (2019) Core i7/i9 – Model A2141
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MacBook Pro 16-inch (2023) M2 Pro/Max – Model A2780
Technical Parameters
| Parameter | Specification Details |
|---|---|
| Product Name | MacBook Pro 16″ A2485 Replacement Battery |
| Model Number | A2527 (Compatible with Apple Part 616-00923) |
| Laptop Compatibility | MacBook Pro (16-inch, 2021) – M1 Pro / M1 Max |
| Compatible EMC | EMC 3651 |
| Nominal Voltage | 11.45V |
| Rated Capacity | 8700mAh / 99.6Wh |
| Battery Cell Type | Li-Polymer (6 Cells) |
| Certificates | CE / FCC / RoHS / UN38.3 / MSDS |
| Compatible Models | MK183LL/A, MK193LL/A, MK1E3LL/A, MK1F3LL/A, MK1H3LL/A |
| Warranty | 12 Months (1:1 Replacement for defects) |
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
🏭 Factory Direct Wholesale Pricing
Get the most competitive A2527 Battery wholesale rates in the market. We offer flexible MOQ (Minimum Order Quantity) to support growing businesses, with tiered pricing structures that reward bulk purchases.
🔋 Grade A+ Cells & High Capacity
Don’t risk your reputation with cheap knock-offs. Our batteries feature:
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True 99.6Wh Capacity: Matches the original spec perfectly.
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High-Quality IC Chip: Ensures precise communication with macOS for accurate battery health reporting and 0 cycle count out of the box.
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Long Cycle Life: Retains >80% capacity after 500-800 charge cycles.
🛡️ Certified Safety & Reliability
Every single unit undergoes rigorous testing (IQC, IPQC, OQC) before shipment.
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Certifications: CE, FCC, RoHS, UN38.3, and MSDS ready for safe global shipping.
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Smart BMS Protection: Prevents over-charging, overheating, and short circuits, ensuring safety for your end-users.
📦 Professional B2B Logistics
We specialize in dangerous goods (DG) logistics. Whether you need air express (UPS/FedEx) for urgent repair orders or sea freight for bulk stock, we handle the complex customs clearance and documentation 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 MOQ for A2527 Battery wholesale orders?
We support small businesses with a low MOQ of 5-10 pieces for trial orders. For bulk pricing tiers, please contact our sales team. We offer significant discounts for orders over 50 units.
Q2: Are your A2527 replacement batteries safe to ship?
Yes. All our A2527 batteries are UN38.3 and MSDS certified. We use specialized dangerous goods shipping channels to ensure safe delivery to the USA, Europe, and worldwide without customs issues.
Q3: Can you provide OEM branding for these batteries?
Absolutely. As a factory-based supplier, we can print your company logo on the battery label and provide customized packaging boxes to help you build your own brand.
Q4: What is the warranty rate for your MacBook batteries?
Our RMA (Return Merchandise Authorization) rate is strictly controlled below 1%. We offer a 12-month warranty. If you encounter any defective units, we provide free replacements in your next shipment.
Q5: How do I identify if this battery fits my MacBook Pro?
The A2527 battery is exclusively for the 2021 16-inch MacBook Pro (A2485) with M1 Pro or M1 Max chips. It is NOT compatible with the 2019 Intel model (A2141) or the 2023 M2 model (A2780).
Q6: Do you sell to individual consumers?
Our primary focus is B2B (Business to Business). However, if you are a DIY enthusiast looking for a high-quality A2527 Battery wholesale price sample, please contact us, and we may accommodate your request based on stock availability.
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