Battery Technology AC-1940111 AC Adapter - 40W - 19V DC - 2. 10A Output for Acer Aspire Ultrabooks
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Product Features
Product Overview
The Battery Technology AC-1940111 AC adapter is a dedicated power supply designed for Acer Aspire Ultrabooks, delivering reliable 40W output with precise 19V DC voltage and 2.10A current. This adapter ensures stable power delivery for both device operation and battery charging, maintaining consistent performance for your ultrabook.
As a replacement power solution, it matches the original specifications required by compatible Acer models, providing a direct upgrade or backup option. The adapter is backed by a 2-year limited warranty, offering peace of mind for business and personal use where dependable power is essential.
Relevant factors for this section include Device Supported, Output Voltage, Maximum Output Power, Maximum Output Current. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
Technical Overview
This AC adapter operates with an output voltage of 19V DC, which is standard for many ultrabook designs, ensuring compatibility with the internal power regulation circuits of supported devices. The maximum output power of 40W provides sufficient capacity for typical ultrabook workloads, including processing, display, and peripheral operation.
With a maximum output current of 2.10A, the adapter supports efficient charging cycles, helping to replenish battery power while maintaining device functionality. The technical design focuses on delivering clean, stable DC power to prevent voltage fluctuations that could affect system stability or battery health.
Relevant factors for this section include Device Supported, Output Voltage, Maximum Output Power, Maximum Output Current. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
Key Product Advantages
The AC-1940111 adapter offers several practical benefits for users needing a reliable power source for their Acer Aspire Ultrabooks. Its design ensures consistent power delivery, which is crucial for maintaining device performance and extending battery lifespan through proper charging protocols.
Precise Voltage Regulation
The 19V DC output matches the exact voltage requirements of compatible ultrabooks, preventing under-voltage or over-voltage conditions that could lead to system errors or hardware stress.
- Stable 19V DC output
- Prevents power-related instability
- Supports device safety features
Efficient Charging Support
With 2.10A current capacity, the adapter facilitates faster battery charging compared to lower-current alternatives, reducing downtime when powering up from a depleted state.
- 2.10A output current
- Reduces charging time
- Maintains device operation during charge
Targeted Compatibility
Specifically validated for Acer Aspire Ultrabooks including S3-391 and S3-951 series models, ensuring plug-and-play functionality without compatibility concerns.
- Acer Aspire Ultrabook support
- S3-391 and S3-951 series
- Direct replacement fit
Deployment / Use Cases
This adapter is ideal as a primary or backup power supply for Acer Aspire Ultrabooks in various environments. In office settings, it serves as a reliable desk-side power source, allowing users to operate their devices continuously without battery drain during extended work sessions.
For mobile professionals, the adapter provides a dependable charging solution at home, in hotel rooms, or at client sites, ensuring the ultrabook remains ready for use. It also functions as a spare power supply for IT departments managing multiple devices, reducing downtime when original adapters fail or are misplaced.
Office Desk Power
Keep your ultrabook powered throughout the workday without relying on battery power, ideal for stationary workstations where consistent performance is needed.
- Continuous power delivery
- Eliminates battery cycling
- Supports peripheral use
Travel and Mobility
Carry as a backup charger during business trips or remote work, ensuring you can recharge your device wherever AC power is available.
- Portable power solution
- Hotel and client site compatibility
- Emergency charging capability
Highlights
- 40W maximum output power for reliable ultrabook operation
- 19V DC output voltage matches Acer Aspire Ultrabook requirements
- 2.10A current supports efficient battery charging
- Compatible with Acer Aspire Ultrabooks S3-391 and S3-951 series
- Provides continuous power to maintain device functionality
- 2-year limited warranty for added protection
- Direct replacement for original power adapters
- Stable DC output prevents voltage fluctuations
Specifications
| Specifications | |
|---|---|
| Manufacturer | Battery Technology, Inc |
| Manufacturer Part Number | AC-1940111 |
| Brand Name | BTI |
| Product Name | AC Adapter |
| Product Type | AC Adapter |
| Technical Information | |
| Device Supported | Ultrabook |
| Power Description | |
| Output Voltage | 19 V DC |
| Maximum Output Power | 40 W |
| Maximum Output Current | 2.10 A |
| Miscellaneous | |
| Compatibility | Acer Aspire Ultrabooks: S3-391-XXXX S3-951-XXXX |
| Country of Origin | China |
| Warranty | |
| Limited Warranty | 2 Year |
FAQ
What is the output voltage of the AC-1940111 adapter?
The adapter delivers a stable 19V DC output voltage. This voltage is specifically designed to match the power requirements of compatible Acer Aspire Ultrabooks, ensuring safe and efficient operation without risking damage from incorrect voltage levels.
How much power does this adapter provide?
It provides a maximum output power of 40W. This power rating is sufficient to run the ultrabook and charge its battery simultaneously, supporting typical computing tasks while maintaining reliable power delivery.
What is the maximum output current?
The maximum output current is 2.10A. This current capacity enables faster battery charging compared to lower-amperage adapters, helping to reduce the time needed to recharge the ultrabook from a low battery state.
Which Acer Ultrabook models are compatible?
The adapter is compatible with Acer Aspire Ultrabooks in the S3-391 and S3-951 series. These models require the 19V DC voltage and specific connector type that this adapter provides, making it a direct replacement for the original power supply.
What warranty comes with this adapter?
It includes a 2-year limited warranty. This warranty covers manufacturing defects and ensures reliability for business or personal use, providing protection against premature failure under normal operating conditions.
Can this adapter be used as a primary power source?
Yes, it can serve as a primary power source for compatible Acer Aspire Ultrabooks. The adapter delivers continuous 40W power, allowing the ultrabook to operate indefinitely on AC power without draining the battery, ideal for desk-based work environments.
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