BTI AC-1990MAG AC Adapter for Apple MacBook Pro - 90W 18. 5V DC Compatible with 611-0377661-3994 ADP-90UB MA357LL/A
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Product Features
Product Overview
The BTI AC-1990MAG AC Adapter is a reliable power solution designed specifically for Apple MacBook Pro notebooks. This adapter delivers consistent 18.5V DC power with a maximum output of 90W, ensuring your MacBook Pro receives the stable power it needs for both operation and charging.
Engineered as a compatible replacement for original Apple power adapters, this unit matches the electrical specifications required by MacBook Pro models while offering the same performance and reliability. The adapter maintains proper voltage regulation to protect your device from power fluctuations and supports fast charging capabilities through its 4.60A current output.
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.
Technical Overview
This AC adapter operates with precise voltage regulation, delivering 18.5V DC power that matches the requirements of compatible MacBook Pro notebooks. The 90W maximum output power provides sufficient energy for both device operation and battery charging simultaneously, while the 4.60A current rating enables efficient power delivery for faster charging cycles.
The adapter is designed to meet the same electrical standards as original Apple power supplies, ensuring compatibility with MacBook Pro systems that require this specific voltage and power profile. The unit maintains stable output under varying load conditions, protecting connected devices from voltage spikes or drops that could affect performance or cause damage.
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.
Key Product Advantages
The BTI AC-1990MAG offers several advantages for MacBook Pro users seeking a reliable power solution. Its precise voltage matching ensures safe operation with compatible notebooks, while the robust power output supports both system operation and simultaneous battery charging.
Comprehensive Compatibility
This adapter replaces multiple Apple OEM part numbers including 611-0377, 661-3994, ADP-90UB, and MA357LL/A, and supports numerous MacBook Pro models across different generations and screen sizes.
- Compatible with 17-inch MacBook Pro models
- Works with multiple Apple part numbers
- Supports various MacBook Pro generations
Reliable Power Delivery
With 90W maximum output power and 4.60A current capacity, this adapter provides sufficient power for demanding applications while enabling faster battery charging compared to lower-rated adapters.
- 90W maximum power output
- 4.60A current for faster charging
- Stable 18.5V DC voltage regulation
Deployment / Use Cases
This AC adapter serves as an ideal replacement power supply for MacBook Pro notebooks in business, educational, and personal computing environments. It provides a cost-effective solution for organizations needing to maintain multiple MacBook Pro systems without purchasing original Apple adapters for each device.
The adapter is particularly valuable for IT departments managing fleets of MacBook Pro notebooks, as it offers compatibility across multiple model generations while maintaining the electrical specifications required for safe operation. Educational institutions can deploy these adapters in computer labs or loaner programs, while individual users can keep one as a backup power source for travel or office use.
Highlights
- 90W maximum power output for MacBook Pro operation and charging
- 18.5V DC output voltage matches Apple MacBook Pro requirements
- 4.60A current enables faster battery charging cycles
- Compatible with Apple OEM part numbers 611-0377, 661-3994, ADP-90UB, MA357LL/A
- Supports multiple MacBook Pro models including 17-inch versions
- 2-year limited warranty for reliable long-term performance
- Precise voltage regulation protects connected devices
- Cost-effective replacement for original Apple power adapters
Specifications
| Specifications | |
|---|---|
| Manufacturer | Battery Technology, Inc |
| Manufacturer Part Number | AC-1990MAG |
| Brand Name | BTI |
| Product Name | AC Adapter for Apple Macbook Pro MB470LL/A |
| Product Type | AC Adapter |
| Technical Information | |
| Device Supported | MacBook Pro |
| Power Description | |
| Output Voltage | 18.5 V DC |
| Maximum Output Power | 90 W |
| Maximum Output Current | 4.60 A |
| Miscellaneous | |
| Compatibility | 611-0377 661-3994 ADP-90UB MA357LL/A Apple MacBook Pro Notebooks: MC226LL/A MB134LL-A 17 INCH MB471LL/A MB470LL/A MB166LL-A MB604LLA MC721LL/A MB986LL/A MB985LL MB133LL-A MC026LL/A MC118LL/A |
| Country of Origin | China |
| TAA Compliant | No |
| Warranty | |
| Limited Warranty | 2 Year |
FAQ
What MacBook Pro models is this AC adapter compatible with?
The BTI AC-1990MAG AC adapter is compatible with multiple Apple MacBook Pro models including those using OEM part numbers 611-0377, 661-3994, ADP-90UB, and MA357LL/A. Specific compatible notebook models include MC226LL/A, MB134LL-A, 17-inch MB471LL/A, MB470LL/A, MB166LL-A, MB604LLA, MC721LL/A, MB986LL/A, MB985LL, MB133LL-A, MC026LL/A, and MC118LL/A MacBook Pro systems.
What is the power output specification of this AC adapter?
This AC adapter delivers 18.5V DC output voltage with a maximum power output of 90W and a maximum current of 4.60A. These specifications match the requirements of compatible MacBook Pro notebooks, providing sufficient power for both system operation and battery charging simultaneously while maintaining stable voltage regulation.
How does the 4.60A current rating benefit MacBook Pro charging?
The 4.60A maximum output current enables faster battery charging compared to adapters with lower current ratings. This higher current capacity allows the adapter to deliver more power to the battery during charging cycles, reducing the time required to reach full charge while maintaining safe charging parameters for MacBook Pro battery systems.
Is this adapter TAA compliant for government purchasing?
No, this AC adapter is not TAA compliant. The product is manufactured in China and does not meet the Trade Agreements Act requirements for government procurement. Organizations with TAA compliance requirements should verify this limitation before purchase for government or regulated industry deployments.
What warranty coverage does this AC adapter include?
The BTI AC-1990MAG AC adapter comes with a 2-year limited warranty. This warranty covers manufacturing defects and ensures reliable performance over an extended period, providing confidence for business deployments and individual users who require dependable power solutions for their MacBook Pro systems.
Can this adapter charge a MacBook Pro while the notebook is in use?
Yes, with 90W maximum power output, this adapter provides sufficient power to both operate a MacBook Pro and charge its battery simultaneously. The 18.5V DC output with 4.60A current capacity delivers the necessary power for system operation while allocating remaining capacity to battery charging, making it suitable for extended use sessions.
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.
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