BTI AS-UL20 Notebook Battery - 4400 mAh 10. 8V DC Li-Ion Rechargeable - For Asus UL20 Series
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Product Features
Product Overview
The BTI AS-UL20 is a purpose-built notebook battery engineered for reliable power delivery to compatible Asus UL20 series laptops. This rechargeable battery combines a substantial 4400 mAh capacity with stable 10.8V DC output to maintain consistent performance during extended use.
Designed with a proprietary form factor, this battery ensures precise physical compatibility with the notebook chassis while delivering the electrical specifications required by the UL20 series. The lithium-ion chemistry provides efficient energy density and recharge cycles, backed by an 18-month limited warranty for long-term reliability.
This section brings together practical product details such as Application/Usage, Battery Rechargeable, Battery Size, Compatibility, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
In practical terms, this overview should help a buyer understand what the product is, the type of environment it suits, and the core reasons it may be chosen over a more generic alternative. That context is especially useful for business purchasing, where fit, consistency, and ease of use usually matter as much as individual specifications.
Technical Overview
This notebook battery features a six-cell lithium-ion construction that delivers 4400 mAh of capacity at 10.8 volts DC. The proprietary battery size is engineered specifically for Asus UL20 series notebooks, ensuring both physical fit and electrical compatibility.
The rechargeable design supports multiple charge cycles, making it a cost-effective replacement solution compared to single-use alternatives. With standardized voltage output, it maintains stable power delivery to keep your notebook operational when needed.
This section brings together practical product details such as Application/Usage, Battery Rechargeable, Battery Size, Compatibility, 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 AS-UL20 notebook battery offers several practical advantages for users needing reliable power for their Asus UL20 series laptops.
Extended Runtime
With 4400 mAh capacity, this battery provides substantial runtime between charges, reducing the frequency of power interruptions during mobile use.
- Delivers consistent 10.8V DC output
- Maintains notebook readiness when needed
Cost Efficiency
The rechargeable lithium-ion design allows hundreds of charge cycles, offering long-term value compared to disposable alternatives.
- Reduces replacement frequency
- Lowers total cost of ownership
Precision Compatibility
Engineered specifically for Asus UL20 series notebooks, this battery ensures both physical fit and electrical compatibility without modification.
- Proprietary size matches original specifications
- Compatible with UL20A, UL20A-A1, UL20FT, UL20G, UL20VT models
Deployment / Use Cases
This battery serves as a direct replacement for original notebook batteries in Asus UL20 series laptops that have reached the end of their service life or require additional power capacity.
Ideal for business users, students, and professionals who rely on their UL20 series notebooks for daily tasks, the battery provides reliable backup power during travel, meetings, or locations with limited access to AC power. The 18-month warranty offers peace of mind for deployment in essential computing scenarios where downtime must be minimized.
This section brings together practical product details such as Application/Usage, Battery Rechargeable, Battery Size, Compatibility, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
Deployment planning benefits from clear examples of where the product fits best, how it may be installed or used, and which business scenarios it supports most naturally. This helps teams judge whether the product belongs at a fixed desk, in a shared workspace, in a meeting area, or as part of a broader managed device rollout.
Highlights
- 4400 mAh capacity for extended notebook runtime
- 10.8V DC output maintains stable power delivery
- Lithium-ion rechargeable chemistry for multiple charge cycles
- Specifically compatible with Asus UL20 series notebooks
- Proprietary battery size ensures precise physical fit
- 18-month limited warranty for reliability assurance
- Rechargeable design reduces long-term replacement costs
- Six-cell construction provides efficient power density
Specifications
| Specifications | |
|---|---|
| Manufacturer | Battery Technology, Inc |
| Manufacturer Part Number | AS-UL20 |
| Brand Name | BTI |
| Product Model | AS-UL20 |
| Product Name | Notebook Battery |
| Packaged Quantity | 1 |
| Product Type | Battery |
| Battery Information | |
| Application/Usage | Notebook |
| Battery Rechargeable | Yes |
| Battery Size | Proprietary Battery Size |
| Battery Chemistry | Lithium Ion (Li-Ion) |
| Battery Capacity | 4400 mAh |
| Number of Cells | 6 |
| Output Voltage | 10.8 V DC |
| Miscellaneous | |
| Compatibility | Asus UL20 Notebook Series: UL20A UL20A-A1 UL20FT UL20G UL20VT UL20XXXX |
| Warranty | |
| Limited Warranty | 18 Month |
FAQ
What notebook models is the BTI AS-UL20 battery compatible with?
This battery is specifically designed for Asus UL20 series notebooks, including models UL20A, UL20A-A1, UL20FT, UL20G, UL20VT, and other UL20XXXX variants. The proprietary size and electrical specifications ensure compatibility with this series.
What is the capacity and voltage of this notebook battery?
The BTI AS-UL20 delivers 4400 mAh (milliampere-hours) of capacity at 10.8 volts DC. This combination provides substantial runtime while maintaining the voltage requirements of compatible Asus UL20 series notebooks.
Is this battery rechargeable and what chemistry does it use?
Yes, this is a rechargeable battery using lithium-ion (Li-Ion) chemistry. The rechargeable design supports multiple charge cycles, making it a cost-effective solution compared to single-use batteries.
How many cells does this notebook battery contain?
The BTI AS-UL20 contains six individual battery cells. This configuration contributes to the 4400 mAh capacity and 10.8V DC output while maintaining the physical dimensions required for the proprietary form factor.
What warranty coverage does this battery include?
This notebook battery comes with an 18-month limited warranty. This coverage period provides assurance against manufacturing defects and supports reliable deployment in business and personal computing environments.
How does the proprietary battery size affect compatibility?
The proprietary battery size is engineered specifically for Asus UL20 series notebooks. This ensures precise physical fit within the notebook chassis while delivering the exact electrical specifications required by these models, preventing compatibility issues with non-standard batteries.
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 10.8 V DC, which helps position the unit for the right load level and installation role.
| Qty | Price | Available |
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