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Axiom E7U25AA-AX Notebook Replacement Battery - Lithium Ion (Li-Ion) - 3-Cell - Compatible with HP Compaq EliteBook 820 G1
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Product Features
Product Overview
The Axiom E7U25AA-AX is a direct replacement battery designed for the HP Compaq EliteBook 820 G1 notebook. This battery pack provides a reliable power source to keep your mobile workstation operational during travel, meetings, or remote work sessions.
Engineered with Lithium Ion (Li-Ion) chemistry, it delivers stable energy output through a controlled electrochemical reaction. The 3-cell configuration balances capacity with physical size, fitting the proprietary battery compartment of the EliteBook 820 G1. As a rechargeable unit, it eliminates the need for disposable batteries, offering cost savings and convenience over the long term.
Relevant factors for this section include Application/Usage, Battery Rechargeable, Battery Size, Compatible to OEM Part Number. 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 replacement battery uses advanced Lithium Ion (Li-Ion) technology, which provides higher energy density and lower self-discharge compared to older battery types. The 3-cell design is optimized for the EliteBook 820 G1's power requirements and physical constraints.
The battery is manufactured to meet Restriction of Hazardous Substances (RoHS) standards, ensuring it contains minimal levels of lead, mercury, cadmium, and other restricted materials. It carries a 1-year limited warranty from Axiom Memory Solutions, covering defects in materials and workmanship.
Relevant factors for this section include Application/Usage, Battery Rechargeable, Battery Size, Compatible to OEM Part Number. 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.
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 Axiom E7U25AA-AX offers several practical benefits for EliteBook 820 G1 users seeking a dependable battery replacement.
Guaranteed Compatibility
Designed specifically for the HP Compaq EliteBook 820 G1, this battery matches the original OEM part number E7U25AA. It ensures a precise fit and reliable electrical connection without modification.
- Direct replacement for OEM E7U25AA
- Proprietary size matches notebook compartment
Modern Battery Technology
Lithium Ion chemistry provides efficient energy delivery with minimal memory effect, allowing consistent performance across charge cycles. The rechargeable design supports repeated use without frequent replacements.
- Stable power output
- Low self-discharge for shelf life
Environmental Responsibility
Compliance with RoHS standards reduces environmental impact by limiting hazardous substances. This aligns with corporate sustainability goals and safe disposal practices.
- Meets international safety regulations
- Reduces toxic material content
Deployment / Use Cases
This battery is ideal for extending the mobile usability of HP Compaq EliteBook 820 G1 notebooks in various professional and educational environments.
Business professionals can rely on it for uninterrupted productivity during flights, client site visits, or coffee shop work sessions. IT departments can stock it as a spare part for quick swaps when original batteries degrade. Educational institutions can use it to maintain fleet longevity for student or faculty laptops.
Field Mobility
Provides portable power for sales teams, consultants, and technicians who work away from desks. The rechargeable design supports all-day use with access to charging points.
IT Asset Management
Serves as a cost-effective replacement to extend notebook lifecycle, reducing total cost of ownership. The 1-year warranty offers peace of mind for bulk deployments.
Highlights
- Lithium Ion (Li-Ion) battery chemistry for stable, efficient power delivery
- Direct replacement for HP Compaq EliteBook 820 G1 (OEM part E7U25AA)
- 3-cell design optimized for notebook power requirements and size constraints
- Rechargeable construction eliminates disposable battery waste and cost
- RoHS compliant, reducing hazardous substances for environmental safety
- 1-year limited warranty covering defects in materials and workmanship
- Proprietary battery size ensures exact fit in EliteBook 820 G1 compartment
- Suitable for business, education, and field mobility applications
Specifications
| Specifications | |
|---|---|
| Manufacturer | Axiom Memory Solutions |
| Manufacturer Part Number | E7U25AA-AX |
| Brand Name | Axiom |
| Product Name | Battery |
| Product Type | Battery |
| Battery Information | |
| Application/Usage | Notebook |
| Battery Rechargeable | Yes |
| Battery Size | Proprietary Battery Size |
| Battery Chemistry | Lithium Ion (Li-Ion) |
| Number of Cells | 3 |
| Miscellaneous | |
| Compatible to OEM Part Number | E7U25AA |
| Brand Compatibility | HP |
| Compatibility | HP Compaq EliteBook 820 G1 Notebook |
| Environmentally Friendly | Yes |
| Environmental Compliance | Restriction of Hazardous Substances (RoHS) |
| Warranty | |
| Limited Warranty | 1 Year |
FAQ
What notebook models is this battery compatible with?
This Axiom E7U25AA-AX battery is specifically designed for the HP Compaq EliteBook 820 G1 notebook. It matches the original OEM part number E7U25AA and fits the proprietary battery compartment of that model. It is not compatible with other EliteBook series or different HP notebook families without verification.
What type of battery chemistry does it use?
This replacement battery uses Lithium Ion (Li-Ion) chemistry. Li-Ion batteries offer higher energy density, lower self-discharge rates, and no memory effect compared to older technologies like NiMH or NiCd. This results in reliable performance across charge cycles and stable power delivery for your notebook.
How many cells does this battery have?
The Axiom E7U25AA-AX has a 3-cell configuration. This cell count is optimized for the power requirements and physical space of the HP Compaq EliteBook 820 G1. It balances capacity with size to provide adequate runtime while maintaining the notebook's portable form factor.
Is this battery rechargeable?
Yes, this is a rechargeable battery. It can be charged using the EliteBook 820 G1's standard AC adapter and charging circuitry. The rechargeable design allows repeated use over the battery's lifespan, eliminating the need for disposable batteries and reducing long-term costs and environmental waste.
What environmental standards does it meet?
This battery complies with the Restriction of Hazardous Substances (RoHS) directive. RoHS limits the amounts of lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls, and polybrominated diphenyl ethers. Compliance ensures safer manufacturing, usage, and disposal, aligning with environmental responsibility goals.
What warranty is provided with this battery?
Axiom Memory Solutions provides a 1-year limited warranty for this battery. The warranty covers defects in materials and workmanship under normal use. It offers assurance against premature failure, supporting reliable performance in business or institutional deployments where battery dependability is critical.
| Qty | Price | Available |
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