BTI AR-4000H Notebook Battery - Lithium Ion (Li-Ion) - 14. 8V DC 4400 mAh - Compatible with Acer Aspire 1641Lmi
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Product Features
Product Overview
The BTI AR-4000H is a high-capacity lithium-ion replacement battery engineered for Acer Aspire 1641Lmi notebooks. This proprietary-size battery delivers reliable power backup with 14.8V DC output and 4400 mAh capacity, ensuring your laptop remains operational during extended use or when the original battery fails.
Designed as a direct OEM-compatible replacement, this battery integrates seamlessly with your Acer Aspire 1641Lmi system. It features eight lithium-ion cells configured to match the original battery's form factor and electrical specifications, providing a straightforward upgrade or replacement solution without compatibility concerns.
This section brings together practical product details such as Application/Usage, Battery Rechargeable, Battery Size, Compatible to OEM Part Number, 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 utilizes advanced lithium-ion chemistry, which offers higher energy density and longer cycle life compared to older battery technologies. The 4400 mAh capacity provides substantial runtime extension, while the 14.8V DC output ensures stable voltage delivery to your laptop's power system.
The battery's proprietary size is specifically engineered to fit the Acer Aspire 1641Lmi chassis, maintaining the original dimensions and connector placement. With eight individual cells, the battery balances capacity and thermal management for consistent performance.
This section brings together practical product details such as Application/Usage, Battery Rechargeable, Battery Size, Compatible to OEM Part Number, 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 AR-4000H combines practical performance benefits with environmental considerations. Its lithium-ion construction supports faster charging cycles compared to some alternatives, reducing downtime when you need to power up quickly. The rechargeable design eliminates disposable battery waste, making it a more sustainable choice for business IT environments.
Reliable Power Delivery
Delivers consistent 14.8V DC output to keep your Acer Aspire 1641Lmi notebook running smoothly during critical tasks or mobile use.
- Stable voltage regulation
- Compatible power profile
- Extended runtime capacity
Convenient Spare Solution
Provides peace of mind as a ready spare battery, ensuring you have backup power available when traveling or during extended work sessions away from outlets.
- Direct replacement
- No compatibility guesswork
- Maintains original form factor
Deployment / Use Cases
This battery serves as both a replacement for aging original batteries and a supplemental power source for mobile professionals. When the original Acer Aspire 1641Lmi battery loses capacity over time, this BTI replacement restores full runtime capability without requiring laptop replacement.
Business users who frequently work away from power outlets can carry this battery as a spare to double their mobile productivity time. IT departments can stock these batteries for quick replacement during hardware refresh cycles or as part of laptop maintenance programs.
Battery Replacement
Replace worn-out original batteries in Acer Aspire 1641Lmi notebooks to restore full mobile functionality and extend the laptop's service life.
Mobile Productivity Extension
Carry as a spare battery to effectively double your notebook's runtime during travel, fieldwork, or locations with limited power access.
Highlights
- Lithium-ion chemistry for higher energy density and longer cycle life
- 4400 mAh capacity provides extended runtime for Acer Aspire 1641Lmi notebooks
- 14.8V DC output ensures compatible power delivery to your laptop
- Proprietary size designed specifically for Acer Aspire 1641Lmi chassis
- Eight-cell configuration balances capacity and thermal performance
- Rechargeable design reduces disposable battery waste
- Direct OEM-compatible replacement with no modification required
- 18-month limited warranty for added purchase confidence
Specifications
| Specifications | |
|---|---|
| Manufacturer | Battery Technology, Inc |
| Manufacturer Part Number | AR-4000H |
| Brand Name | BTI |
| 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 | 8 |
| Output Voltage | 14.8 V DC |
| Miscellaneous | |
| Compatible to OEM Part Number | 1641Lmi |
| Compatibility | Acer Aspire 1641Lmi Notebook |
| Warranty | |
| Limited Warranty | 18 Month |
FAQ
What notebook models is the BTI AR-4000H battery compatible with?
This battery is specifically designed for the Acer Aspire 1641Lmi notebook. It matches the OEM part number 1641Lmi and is engineered with the proprietary size and electrical specifications required for this particular laptop model. Always verify your laptop's exact model number before purchase to ensure compatibility.
What is the capacity and voltage of this notebook battery?
The BTI AR-4000H delivers 4400 mAh capacity and 14.8V DC output. The 4400 mAh rating indicates the battery's energy storage capability, which translates to extended runtime for your Acer Aspire 1641Lmi. The 14.8V DC output matches the voltage requirements of compatible notebooks for stable power delivery.
Is this a rechargeable battery and what chemistry does it use?
Yes, this is a rechargeable battery that utilizes lithium-ion (Li-Ion) chemistry. Lithium-ion batteries offer advantages including higher energy density, lower self-discharge rates, and no memory effect compared to some older battery technologies. The battery can be recharged hundreds of times during its service life.
How many cells does this battery contain and why does that matter?
This battery contains eight individual lithium-ion cells. The cell count affects both the battery's capacity and its physical configuration. Eight cells allow the battery to achieve the 4400 mAh capacity while maintaining the proprietary form factor required for the Acer Aspire 1641Lmi. Multiple cells also help distribute thermal load during charging and discharging.
What warranty comes with the BTI AR-4000H notebook battery?
The battery includes an 18-month limited warranty from the manufacturer. This warranty period provides coverage for defects in materials or workmanship. For warranty service details, retain your purchase documentation and contact the manufacturer or authorized reseller with any issues that arise during the warranty period.
Why choose a lithium-ion replacement battery over other chemistries?
Lithium-ion batteries offer several practical advantages for notebook applications. They typically charge faster than some alternative chemistries, have higher energy density (more capacity in the same size), and maintain their capacity better over multiple charge cycles. Lithium-ion also has environmental benefits as rechargeable batteries reduce disposable battery waste compared to single-use alternatives.
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 14.8 V DC, which helps position the unit for the right load level and installation role.
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