BTI AC-1990111 90W AC Adapter for Notebooks - 19V DC - 4. 74A Output
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Product Features
Product Overview
The BTI AC-1990111 is a 90W AC adapter designed specifically for notebook computers, providing reliable external power and charging capabilities. This adapter delivers a consistent 19V DC output with a maximum current of 4.74A, ensuring stable operation for compatible devices during both active use and charging cycles.
Engineered as a replacement power solution, this adapter maintains the electrical specifications required by supported notebook models. The unit comes with a 24-month limited warranty, offering peace of mind for business and institutional deployments where dependable power accessories are essential for maintaining productivity.
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 converts standard AC wall power to 19V DC output, matching the voltage requirements of many notebook power systems. With a maximum power delivery of 90 watts, it provides sufficient capacity for powering notebooks under typical operating loads while simultaneously charging internal batteries.
The 4.74A maximum current rating supports efficient charging, reducing the time required to replenish notebook batteries. The adapter's electrical characteristics are calibrated to maintain stable voltage regulation, preventing fluctuations that could affect device performance or charging efficiency.
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
The BTI AC-1990111 offers several advantages for notebook users requiring reliable external power. Its specific voltage and current ratings ensure compatibility with supported devices while providing sufficient power for simultaneous operation and charging.
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 19V DC Output, 90W Maximum Power, 4.74A Charging Current, Acer Notebook Compatibility, 24-Month Warranty.
For buyers comparing similar models, the strongest advantage is usually the balance between dependable day-to-day operation and a simpler rollout experience. That means less time spent troubleshooting fit, compatibility, or user adoption after installation, which is especially important for shared business environments and repeat purchasing decisions.
Deployment / Use Cases
This adapter serves as a primary replacement power source for Acer notebooks in environments where the original adapter has been lost, damaged, or requires supplementation. It's particularly useful for IT departments managing multiple notebooks, allowing standardization of power accessories across compatible devices.
Educational institutions, corporate offices, and field operations can deploy these adapters as spare units for loaner programs or emergency replacements. The adapter's compatibility with numerous Acer notebook models makes it a versatile solution for mixed-device environments where maintaining productivity requires readily available power accessories.
Replacement Power Solution
Provides a direct replacement for original notebook adapters, maintaining the same electrical specifications for safe and reliable operation.
IT Department Standardization
Enables IT teams to maintain a stock of compatible adapters for multiple Acer notebook models, simplifying inventory management and support.
Highlights
- 90W maximum power output for notebook operation and charging
- 19V DC output voltage matches notebook power requirements
- 4.74A maximum current supports efficient charging
- Compatible with numerous Acer notebook models
- Provides stable voltage for consistent device performance
- Suitable as a replacement for original power adapters
- 24-month limited warranty for reliability assurance
- Designed for business and institutional deployment scenarios
Specifications
| Specifications | |
|---|---|
| Manufacturer | Battery Technology, Inc |
| Manufacturer Part Number | AC-1990111 |
| Brand Name | BTI |
| Product Name | AC Adapter |
| Product Type | AC Adapter |
| Technical Information | |
| Device Supported | Notebook |
| Power Description | |
| Output Voltage | 19 V DC |
| Maximum Output Power | 90 W |
| Maximum Output Current | 4.74 A |
| Miscellaneous | |
| Country of Origin | China |
| Warranty | |
| Limited Warranty | 24 Month |
FAQ
What is the output voltage of this AC adapter?
The BTI AC-1990111 delivers 19 volts DC output. This voltage matches the power requirements of many notebook computers, ensuring compatible operation and charging without voltage mismatches that could affect device performance or safety.
How much power can this adapter deliver?
This adapter has a maximum output power rating of 90 watts. This provides sufficient capacity to power a notebook during normal operation while simultaneously charging its internal battery, supporting typical computing workloads without power limitations.
What is the maximum current output?
The adapter can deliver up to 4.74 amps of current. This current rating supports efficient battery charging, allowing notebooks to recharge more quickly while maintaining stable power delivery during device operation.
Which notebook brands and models are compatible?
This adapter is specifically compatible with Acer notebook models. The compatibility list includes numerous Acer series such as EX4630, 7740, 8472, 8573, AS5553G, AS5745, and many other specific model numbers that require 19V DC input at up to 90W power delivery.
Is this adapter suitable as a replacement for original equipment?
Yes, the BTI AC-1990111 is designed as a replacement power adapter for compatible Acer notebooks. It maintains the same electrical specifications as original adapters, providing equivalent voltage, current, and power delivery for safe and reliable operation as a direct replacement solution.
What warranty coverage does this adapter include?
This AC adapter comes with a 24-month limited warranty. This warranty period provides assurance of product reliability and manufacturer support, making it suitable for business and institutional deployments where long-term dependability is important for power accessories.
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 19 V DC, which helps position the unit for the right load level and installation role.
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