BTI DL-E6420X9 Laptop Battery for Dell Latitude E5220 - 7800mAh 11. 1V Li-Ion 9-Cell
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Product Features
Product Overview
The BTI DL-E6420X9 is a direct OEM-compatible replacement battery engineered for Dell Latitude E5220 notebooks and a wide range of compatible Latitude and Precision models. This 9-cell lithium-ion battery delivers a substantial 7800mAh capacity at 11.1V DC, designed to restore and often extend the mobile runtime of compatible business laptops.
As a purpose-built component from Battery Technology, Inc., it matches the proprietary form factor and electrical specifications required for seamless integration. The battery supports full recharge cycles and comes with a robust 5-year limited warranty, providing a reliable, cost-effective solution for IT departments managing fleet refreshes or individual user replacements.
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.
Technical Overview
This battery utilizes a lithium-ion (Li-Ion) chemistry, which offers a favorable balance of energy density, weight, and cycle life for portable computing. The 7800mAh capacity rating indicates the total electrical charge the battery can store, directly influencing how long a notebook can operate on a single charge under typical workloads.
The 11.1V DC output voltage is standard for the notebook platform it serves, ensuring stable power delivery to the system. The internal construction uses 9 individual cells configured to meet the voltage and capacity targets. As a rechargeable unit, it is designed for hundreds of charge-discharge cycles over its service life.
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 DL-E6420X9 provides a certified-compatible power solution that avoids the cost and procurement lead times of first-party OEM parts. Its design prioritizes a precise physical and electrical fit, reducing installation issues and ensuring reliable performance within the host system's power management framework.
Extended Usability
The high 7800mAh capacity can help offset typical battery degradation, potentially offering users longer productive sessions between charges compared to aged original batteries.
- High energy density
- Supports full recharge cycles
- Cost-effective over multiple uses
Compliance & Assurance
The product is compliant with the Waste Electrical and Electronic Equipment (WEEE) directive and is backed by a substantial 5-year warranty, providing long-term purchase confidence.
- 5-year limited warranty
- WEEE environmental compliance
- Manufacturer-backed quality
Deployment / Use Cases
This battery is primarily deployed as a direct replacement for aging or failed batteries in supported Dell Latitude and Precision business notebooks. It is a standard consumable part in IT asset lifecycle management, used to extend the useful life of deployed laptops without requiring a full hardware refresh.
Common deployment scenarios include routine IT spare part inventories, break-fix repairs for individual user machines, and bulk refreshes for fleets of laptops experiencing widespread battery degradation. Its broad compatibility across multiple Latitude series (E5220, E5420, E5520, E6420, E6430, E6530, E6540) and the Precision M2800 makes it a versatile stock item for IT service providers and corporate IT departments supporting diverse Dell portfolios.
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.
Highlights
- OEM-compatible replacement for Dell Latitude E5220 and many other models
- High-capacity 7800mAh 9-cell lithium-ion (Li-Ion) battery
- 11.1V DC output for stable notebook power delivery
- Rechargeable design supports hundreds of charge cycles
- Precise proprietary form factor for correct fit and installation
- Backed by a substantial 5-year limited warranty
- Compliant with WEEE environmental directives
- Cost-effective solution for extending laptop service life
Specifications
| Specifications | |
|---|---|
| Manufacturer | Battery Technology, Inc |
| Manufacturer Part Number | DL-E6420X9 |
| Brand Name | BTI |
| Product Name | Laptop Battery for Dell Latitude E5220 |
| Product Type | Battery |
| Battery Information | |
| Application/Usage | Notebook |
| Battery Rechargeable | Yes |
| Battery Size | Proprietary Battery Size |
| Battery Chemistry | Lithium Ion (Li-Ion) |
| Battery Capacity | 7800 mAh |
| Number of Cells | 9 |
| Output Voltage | 11.1 V DC |
| Miscellaneous | |
| Compatibility | M5Y0X 16J-B2GC-A00 0N4FJ5 M1Y7N 312-1164 312-1165 0PRV1Y 312-1242 N4FJ5 PRV1Y V57XN X57F1 2P2MJ 312-1325 312-1444 312-1445 451-11695 451-11961 451-12135 5DN1K 71R31 984V6 CRT6P GCJ48 WT5WP YC3PK LAP6321 Dell Products: 312-1443 462-3646 469-1496 462-3678 462-3642 XV2VV LATITUDE E5430 LATITUDE E5530 LATITUDE E6530 LATITUDE E5220 LATITUDE E5520 LATITUDE E6520 LATITUDE E6420 ATG LATITUDE E6430 LATITUDE E6430 ATG LATITUDE E5420 LATITUDE E6420 LATITUDE E6540 LATITUDE E5420M LATITUDE E5520M LATITUDE E6440 PRECISION M2800 |
| Country of Origin | China |
| TAA Compliant | No |
| Environmentally Friendly | Yes |
| Environmental Compliance | Waste Electrical and Electronic Equipment Directive (WEEE) |
| Warranty | |
| Limited Warranty | 5 Year |
FAQ
What Dell laptop models is the DL-E6420X9 battery compatible with?
The BTI DL-E6420X9 is directly compatible with the Dell Latitude E5220 and a wide range of other models including the Latitude E5420, E5520, E6420, E6430, E6530, E6540 series, the Latitude E5420M, E5520M, and the Precision M2800. It also matches several Dell part numbers such as 312-1443, 462-3646, and 469-1496. Always verify your specific notebook's part number against the full compatibility list before purchase.
What is the capacity and voltage of this laptop battery?
This battery has a rated capacity of 7800 milliamp-hours (mAh) and an output voltage of 11.1 Volts DC. The 7800mAh capacity indicates its energy storage potential, which influences runtime, while the 11.1V is the standard operating voltage for the compatible notebook systems, ensuring proper power delivery.
Is the BTI DL-E6420X9 battery rechargeable?
Yes, this is a fully rechargeable lithium-ion (Li-Ion) battery. It is designed to be charged and discharged hundreds of times over its lifespan when used within the notebook's built-in charging system. The rechargeable nature makes it a sustainable, cost-effective replacement compared to single-use alternatives.
What type of warranty comes with this replacement battery?
The BTI DL-E6420X9 is backed by a 5-year limited warranty from the manufacturer, Battery Technology, Inc. This warranty period provides significant long-term assurance for a component that is typically considered a consumable, covering defects in materials and workmanship under normal use.
What does 'OEM compatible' mean for this battery?
'OEM compatible' means the battery is designed to meet or exceed the original equipment manufacturer's (Dell's) specifications for form factor, electrical output, and connectivity. It is a direct replacement that fits and functions like the original part, but is supplied by a third-party manufacturer (BTI), often at a lower cost and with a competitive warranty.
How many cells does this battery have, and why does it matter?
The DL-E6420X9 is a 9-cell battery. The cell count is a fundamental part of its internal construction, helping to achieve the target voltage (11.1V) and capacity (7800mAh). Generally, a higher cell count within the same form factor can contribute to higher capacity and potentially longer runtime, but it must match the notebook's designed physical and electrical specifications.
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 11.1 V DC, which helps position the unit for the right load level and installation role.
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