AddOn MA357LL/A-AA Compatible 85W 18. 5V Black MagSafe 1 Laptop Power Adapter and Cable
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Product Features
Technical Overview
This power adapter operates with 85W maximum output power at 18.5V DC voltage and 4.60A current, matching the electrical requirements of compatible Apple notebooks. The MagSafe 1 connector ensures secure magnetic attachment that disconnects safely if the cable is pulled, protecting both the adapter and notebook from damage.
The adapter's electrical design maintains stable power delivery across varying load conditions, supporting both charging and operational power needs. Environmental compliance includes Restriction of Hazardous Substances (RoHS) and Waste Electrical and Electronic Equipment Directive (WEEE) standards, reflecting responsible manufacturing practices. TAA compliance is not included with this model.
This section brings together practical product details such as Device Supported, Output Voltage, Maximum Output Power, Maximum Output Current, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
A strong technical summary explains how the product's interfaces, hardware profile, and operating characteristics work together in real deployment. Buyers often need this context to confirm compatibility with existing devices, expected performance in daily use, and whether installation will be straightforward for IT staff or end users.
Key Product Advantages
This compatible power adapter provides cost-effective replacement power for Apple notebooks while maintaining original equipment manufacturer specifications. The lifetime limited warranty offers exceptional value compared to typical limited warranties, reducing total cost of ownership over the product lifecycle.
These strengths make the product easier to deploy and manage in real environments, especially where reliability, usability, and day-to-day operational continuity matter. Notable benefits include Direct Compatibility, Environmental Responsibility.
Direct Compatibility
Designed to match Apple's MA357LL/A specification for proper electrical characteristics and physical fit with MagSafe 1 notebooks.
- Matches 18.5V DC output voltage
- Provides 85W maximum power
- Uses MagSafe 1 magnetic connector
Environmental Responsibility
Manufactured with RoHS and WEEE compliance, reducing hazardous substances and supporting proper end-of-life recycling.
- RoHS compliant materials
- WEEE directive adherence
- Environmentally friendly designation
Deployment / Use Cases
This adapter serves as a primary or replacement power source for Apple notebooks in business, education, and personal computing environments. Its compact size and included power cord make it suitable for office desks, home workstations, or travel kits where reliable AC power conversion is needed.
The adapter supports continuous operation for compatible Apple notebooks during extended work sessions, meetings, or multimedia consumption. Organizations can deploy these adapters as spare units for IT departments, reducing downtime when original adapters fail or go missing. The lifetime warranty provides long-term reliability for critical business applications where consistent power availability matters.
Business IT Replacement
IT departments can stock these compatible adapters as cost-effective replacements for damaged or lost original Apple power supplies.
Travel and Mobile Use
The compact design and standard power cord make this adapter suitable for business travelers needing reliable notebook power on the go.
Physical Profile
The black power adapter features a compact rectangular design measuring 3.50 inches wide, 7.50 inches deep, and 1.50 inches high. Weighing 14.40 ounces, it balances portability with sufficient thermal mass for heat dissipation during continuous operation. The matte black finish resists fingerprints and matches Apple's aesthetic while the MagSafe 1 connector provides secure magnetic attachment that automatically detaches if the cable experiences excessive pull force.
- Width
- 3.50" (88.90 mm)
- Depth
- 7.50" (190.50 mm)
- Height
- 1.50" (38.10 mm)
- Weight
- 14.40 oz (408.23 g)
What's in the Box
The package includes all components needed for immediate deployment with compatible Apple notebooks.
Package contents include 85W Power Adapter, 1 x Power Cord. These included items support setup, installation, and immediate deployment without needing to source the core bundled accessories separately.
Highlights
- 85W maximum output power for compatible Apple notebooks
- 18.5V DC output voltage matches original Apple specification
- 4.60A current capacity supports efficient charging
- MagSafe 1 magnetic connector for secure attachment
- Black color with compact 3.50" x 7.50" x 1.50" dimensions
- Lifetime limited warranty for long-term reliability
- RoHS and WEEE environmental compliance
- Manufactured in the United States
- Includes both power adapter and standard power cord
- Compatible with Apple OEM part MA357LL/A
Specifications
| Specifications | |
|---|---|
| Manufacturer | AddOn |
| Manufacturer Part Number | MA357LL/A-AA |
| Brand Name | AddOn |
| Product Name | 85W Power Adapter |
| Packaged Quantity | 1 |
| Product Type | Power Adapter |
| Technical Information | |
| Device Supported | Notebook |
| Power Description | |
| Output Voltage | 18.5 V DC |
| Maximum Output Power | 85 W |
| Maximum Output Current | 4.60 A |
| Physical Characteristics | |
| Color Family | Black |
| Product Color | Black |
| Height | 1.50" (38.10 mm) |
| Width | 3.50" (88.90 mm) |
| Depth | 7.50" (190.50 mm) |
| Weight (Approximate) | 14.40 oz (408.23 g) |
| Miscellaneous | |
| Package Contents | 85W Power Adapter 1 x Power Cord |
| Compatible to OEM Part Number | MA357LL/A |
| Brand Compatibility | Apple |
| Compatibility | Apple Notebooks |
| Country of Origin | United States |
| TAA Compliant | No |
| Environmentally Friendly | Yes |
| Environmental Compliance | Restriction of Hazardous Substances (RoHS),Waste Electrical and Electronic Equipment Directive (WEEE) |
| Warranty | |
| Limited Warranty | Lifetime |
FAQ
What Apple notebooks is this power adapter compatible with?
This AddOn power adapter is compatible with Apple notebooks that use the MagSafe 1 connector and require 85W power at 18.5V DC. It specifically matches the original Apple MA357LL/A specification, making it suitable for various Apple notebook models designed for this power profile. The adapter supports both charging and operational power needs for compatible devices.
What is the output voltage and power rating of this adapter?
The adapter delivers 18.5V DC output voltage with 85W maximum output power. This matches the electrical specifications of compatible Apple notebooks, providing the correct voltage for safe operation and sufficient power for both charging and running the device under load. The 4.60A current capacity ensures efficient power delivery.
Does this adapter include a power cord?
Yes, the package includes both the 85W power adapter and one standard power cord. This complete package allows immediate deployment without needing to source additional components. The power cord connects the adapter to standard AC wall outlets for operation in North American electrical environments.
What warranty coverage does this power adapter have?
This AddOn power adapter comes with a lifetime limited warranty. This extensive warranty period provides long-term protection against manufacturing defects, offering greater value than typical limited warranties. The warranty coverage reflects confidence in the product's durability and reliability for continuous business use.
Is this adapter environmentally compliant?
Yes, this power adapter meets Restriction of Hazardous Substances (RoHS) and Waste Electrical and Electronic Equipment Directive (WEEE) environmental standards. RoHS compliance ensures reduced hazardous materials in manufacturing, while WEEE compliance supports proper end-of-life recycling. The product is also designated as environmentally friendly.
Where is this power adapter manufactured?
This AddOn power adapter is manufactured in the United States. Domestic manufacturing supports quality control and supply chain transparency. The product is not TAA compliant, which may be relevant for certain government procurement requirements, but offers reliable performance for commercial and educational applications.
What power capacity is listed for this UPS?
Power specifications help show where the unit fits best, including the type of load level, electrical environment, and backup role it is intended to support. These are usually the most decision-critical facts in a UPS or power-protection comparison.
What voltage details are listed?
The listed power specification is 18.5 V DC, which helps position the unit for the right load level and installation role.
| Qty | Price | Available |
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