This automotive component represents a specific type of battery designed for starting internal combustion engines. The alphanumeric code details key specifications. “Duralast Gold” indicates the brand and product line, suggesting a premium offering. “BCI Group Size 35” refers to a standardized dimensional classification established by the Battery Council International, ensuring compatibility with vehicles designed to accommodate this size. “640 CCA” denotes the cold cranking amps rating, representing the battery’s ability to deliver power at 0F (-18C), a crucial metric for cold weather starting performance. The full identifier, “35-DLG,” provides a unique product code for ordering and identification purposes.
The battery’s specifications are essential for reliable vehicle operation. The BCI group size ensures that the battery will physically fit within the vehicle’s battery tray and that the terminals are correctly positioned. The CCA rating is critical for starting the engine, especially in cold climates, and a higher CCA rating generally translates to improved starting performance. These factors contribute to vehicle dependability, reducing the likelihood of starting failures and ensuring consistent operation. Historically, battery technology has advanced to provide increased power and lifespan within standardized form factors, improving vehicle reliability and performance.
Understanding these specifications is vital for selecting the appropriate replacement battery for a vehicle. The following sections will further explore the significance of each attribute, outlining the factors to consider when choosing a battery and providing insights into maintenance practices that can extend battery life.
1. Compatibility
Compatibility is a fundamental consideration when selecting a replacement battery. In the context of the specified “duralast gold battery bci group size 35 640 cca 35-dlg,” it refers to the battery’s ability to seamlessly integrate with the vehicle’s electrical and physical systems. Improper fit or electrical mismatch can lead to performance issues or system damage.
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BCI Group Size Standardization
The Battery Council International (BCI) establishes standardized group sizes for batteries, including Group 35. This standardization ensures that a battery designated as Group 35 will have specific physical dimensions (length, width, height) and terminal placement. These dimensions are critical for the battery to fit securely within the vehicle’s battery tray and for the terminals to align correctly with the vehicle’s battery cables. If the BCI group size is incorrect, the battery may not fit, the cables may not reach, or the battery hold-down mechanism may be unusable.
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Voltage Matching
Automotive electrical systems are designed to operate at a specific voltage, typically 12 volts. The specified “duralast gold battery bci group size 35 640 cca 35-dlg” is designed to provide this voltage. Using a battery with a different voltage can damage the vehicle’s electrical components. While voltage mismatches are less common than physical fitment issues, they represent a serious risk to the vehicle’s electrical system.
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Terminal Configuration
Battery terminals are designed in specific configurations (top post, side post, etc.) and polarities (positive and negative). The “duralast gold battery bci group size 35 640 cca 35-dlg” adheres to industry-standard terminal configurations for Group 35 batteries. Incorrect terminal configuration can prevent proper connection of the battery cables, while reversed polarity can cause severe electrical damage. Matching the terminal configuration of the replacement battery to the original is essential for a successful installation.
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Electrical Load Capacity
While the CCA rating is a key indicator of starting power, the overall electrical load capacity of the battery is also relevant for compatibility. The battery must be capable of handling the vehicle’s electrical demands, including the starter motor, lights, accessories, and electronic control units. The “duralast gold battery bci group size 35 640 cca 35-dlg,” with its specified CCA and reserve capacity, is designed to meet the typical electrical load requirements of vehicles that specify a Group 35 battery. Selecting a battery with insufficient load capacity can result in premature battery failure or electrical system malfunctions.
The facets of compatibility, encompassing physical dimensions, voltage, terminal configuration, and electrical load capacity, are all interconnected and essential for ensuring the specified “duralast gold battery bci group size 35 640 cca 35-dlg” functions as intended. Failing to address these aspects can lead to a range of issues, from installation difficulties to severe electrical damage and vehicle inoperability.
2. Starting Power
The duralast gold battery bci group size 35 640 cca 35-dlg is characterized, in part, by its starting power, a critical attribute defined by its Cold Cranking Amps (CCA) rating of 640. Starting power directly correlates to the batterys ability to initiate the combustion process in an internal combustion engine, especially under cold ambient conditions. The 640 CCA specification indicates that the battery can deliver 640 amperes for 30 seconds at 0 degrees Fahrenheit (-18 degrees Celsius) while maintaining a voltage above a specified minimum (typically 7.2 volts for a 12-volt battery). Insufficient starting power results in a no-start condition or prolonged cranking, placing undue stress on the starter motor and potentially damaging the vehicle’s electrical system. As an example, consider a vehicle exposed to sub-freezing temperatures; the engine oil thickens, increasing resistance to cranking. A battery with inadequate CCA may fail to overcome this resistance, preventing the engine from starting.
The importance of starting power extends beyond cold-weather performance. A battery with a robust CCA rating also contributes to more consistent and reliable starts in warmer climates, particularly in vehicles with high compression engines or those requiring a greater initial current draw. The “Duralast Gold” branding suggests a design focus on delivering enhanced performance, and the 640 CCA rating aligns with this intent. Selecting a battery with a CCA rating that meets or exceeds the vehicle manufacturer’s recommendations is crucial for ensuring dependable starts under varying environmental conditions. Furthermore, the CCA rating can degrade over time as the battery ages; therefore, a higher initial CCA provides a margin for performance decline, extending the battery’s usable life.
In summary, the 640 CCA rating of the “duralast gold battery bci group size 35 640 cca 35-dlg” is a primary determinant of its starting power. This specification directly impacts the batterys ability to reliably start a vehicles engine, particularly in cold climates or under demanding conditions. Choosing a battery with an appropriate CCA rating is essential for preventing starting problems and ensuring the vehicle’s electrical system operates as intended. Challenges may arise from inaccurate CCA labeling or the degradation of the batterys performance over time; thus, regular battery testing and adherence to manufacturer recommendations are vital for maintaining optimal vehicle performance.
3. Reserve Capacity
Reserve Capacity (RC) is a critical performance metric not explicitly stated within the “duralast gold battery bci group size 35 640 cca 35-dlg” designation, yet fundamentally important to its overall functionality. It indicates the battery’s ability to supply power to the vehicle’s electrical system should the charging system fail. While the model number provides cold cranking amps and physical size, understanding the implications of reserve capacity is essential for assessing the battery’s suitability for a particular application.
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Definition and Measurement
Reserve Capacity is defined as the number of minutes a fully charged battery can continuously deliver 25 amps at 80 degrees Fahrenheit (27 degrees Celsius) before its voltage drops below 10.5 volts. This simulates a scenario where the alternator or charging system malfunctions, leaving the battery as the sole power source for essential vehicle functions such as lighting, ignition, and critical electronic control units. A higher RC value indicates a longer period of sustained operation under such failure conditions. The 35-DLG, belonging to the “Gold” line, typically exhibits a high RC value.
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Impact on Electrical System Reliability
A battery with a sufficient RC provides a buffer against charging system failures, allowing the driver time to address the issue without immediate vehicle shutdown. For instance, if the alternator belt breaks while driving at night, a battery with a high RC can maintain headlights, taillights, and other critical systems long enough to reach a safe location. Conversely, a battery with insufficient RC may lead to complete electrical system failure, potentially resulting in hazardous situations. For a Duralast Gold battery, one expects a higher RC for this kind of scenario.
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Relationship to Battery Construction and Technology
The RC of a battery is directly influenced by its internal construction, plate design, and electrolyte composition. Batteries employing advanced plate technologies and higher electrolyte volumes generally exhibit superior RC performance. The Duralast Gold series likely incorporates design features aimed at maximizing RC, differentiating it from lower-tier battery models. Construction elements contributing to longer life are generally related to this capacity.
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Influence of Vehicle Electrical Load
The required RC for a given vehicle depends on its electrical load, encompassing the number and power consumption of electrical accessories. Vehicles with extensive electrical systems, such as those equipped with premium audio systems, heated seats, and advanced driver-assistance systems, demand batteries with higher RC values. While the “duralast gold battery bci group size 35 640 cca 35-dlg” is suitable for many standard vehicles, its RC should be carefully considered when used in vehicles with significant aftermarket electrical modifications or high factory electrical loads.
The Reserve Capacity, though implicit in the “duralast gold battery bci group size 35 640 cca 35-dlg” designation, is a critical factor in evaluating its overall performance and suitability. Its importance lies in its ability to sustain essential vehicle functions during charging system failures, thereby enhancing safety and reliability. When selecting a battery, particularly for vehicles with demanding electrical loads, considering both the CCA rating and the expected RC is paramount.
4. Duralast Brand
The “Duralast” brand, as a component of “duralast gold battery bci group size 35 640 cca 35-dlg,” signifies a specific manufacturer’s reputation and associated performance expectations. It serves as a shorthand indicator of the battery’s anticipated quality, durability, and adherence to advertised specifications. The “Duralast” brand is owned and marketed by AutoZone, a major retailer of automotive parts and accessories. Consequently, the brand’s value is intrinsically linked to AutoZone’s reputation for customer service, product availability, and warranty support. The presence of the “Duralast” brand on this battery implies a certain level of quality control in the manufacturing process and a commitment to meeting or exceeding industry standards. Selecting a “Duralast” battery, therefore, is not merely choosing a product but also aligning with the perceived reliability and support associated with AutoZone’s brand image. A cause-and-effect relationship exists, where AutoZone’s brand reputation influences consumer perception of the “Duralast” battery, which, in turn, affects sales and brand loyalty.
The “Duralast Gold” sub-designation further refines the brand association, positioning the “duralast gold battery bci group size 35 640 cca 35-dlg” as a premium offering within the Duralast product line. This designation suggests enhanced performance characteristics, potentially including increased cold cranking amps, extended reserve capacity, or a longer service life compared to standard Duralast batteries. For example, a consumer might choose the “Duralast Gold” variant over a standard Duralast battery based on the expectation of improved reliability in extreme temperatures or extended warranty coverage. The practical significance of this understanding lies in enabling consumers to make informed purchase decisions based on their individual needs and priorities. If a vehicle owner resides in a region with severe winters, the “Duralast Gold” branding may sway their choice towards a battery designed for superior cold-weather performance.
In conclusion, the “Duralast” brand, particularly when coupled with the “Gold” designation, provides a valuable signal to consumers regarding the expected performance and quality of the “duralast gold battery bci group size 35 640 cca 35-dlg.” This brand association is inextricably linked to the manufacturer’s reputation and the retailer’s commitment to customer satisfaction. While brand perception is subjective and influenced by marketing efforts, it serves as an important indicator of potential product reliability and support. Challenges can arise if the actual performance of the “Duralast” battery does not align with brand expectations, potentially leading to customer dissatisfaction and damage to the brand’s reputation. Regular monitoring of product performance and adherence to advertised specifications are crucial for maintaining brand credibility.
5. Group 35 Size
The “Group 35 Size” designation is a critical component of the “duralast gold battery bci group size 35 640 cca 35-dlg” identifier, signifying a standardized dimensional classification crucial for vehicle compatibility. This classification, established by the Battery Council International (BCI), dictates the physical dimensions of the battery, including its length, width, and height, as well as the placement of its terminals. The “Group 35 Size” ensures that the battery will physically fit within the battery tray and that the terminals will align properly with the vehicle’s battery cables. A mismatch in group size can prevent proper installation and connection, rendering the battery unusable. For example, attempting to install a Group 24 battery (a larger size) in a vehicle designed for a Group 35 battery will result in a physical incompatibility; the battery will not fit within the designated space.
The importance of “Group 35 Size” extends beyond mere physical fitment. It also indirectly influences other performance characteristics of the “duralast gold battery bci group size 35 640 cca 35-dlg.” The dimensions associated with the Group 35 classification limit the internal volume available for battery components, such as the lead plates and electrolyte. This, in turn, affects the battery’s potential capacity, reserve capacity, and cold cranking amps rating. The 640 CCA rating specified in the “duralast gold battery bci group size 35 640 cca 35-dlg” is, in part, a consequence of the physical constraints imposed by the Group 35 size. While advancements in battery technology have allowed manufacturers to increase performance within standardized group sizes, the underlying dimensional limitations remain a significant factor in battery design. For instance, a manufacturer might employ thinner, higher-density lead plates to maximize surface area and increase CCA within the Group 35 form factor.
In summary, the “Group 35 Size” is a fundamental aspect of the “duralast gold battery bci group size 35 640 cca 35-dlg,” ensuring physical compatibility and influencing performance characteristics. Selecting a battery with the correct group size is paramount for proper installation and vehicle operation. Challenges arise from variations in battery tray design or inaccurate labeling, emphasizing the importance of verifying the manufacturer’s specifications and consulting vehicle owner’s manuals. Adherence to standardized group sizes remains a cornerstone of automotive battery design, facilitating interchangeability and ensuring compatibility across a wide range of vehicle makes and models.
6. Cold Cranking Amps
Cold Cranking Amps (CCA), represented by the “640 CCA” within the “duralast gold battery bci group size 35 640 cca 35-dlg” designation, directly quantifies the battery’s capacity to initiate engine combustion in frigid environments. The 640 CCA rating indicates the battery can deliver 640 amperes for 30 seconds at 0 degrees Fahrenheit (-18 degrees Celsius) while maintaining a voltage of at least 7.2 volts. This metric is essential because cold temperatures increase the viscosity of engine oil, creating greater resistance to engine rotation and requiring a more substantial initial power surge from the battery to overcome this resistance. For instance, a vehicle located in a region experiencing sub-zero temperatures demands a battery with sufficient CCA to ensure reliable starting, as a lower CCA rating might result in engine start failure. Therefore, the 640 CCA component of “duralast gold battery bci group size 35 640 cca 35-dlg” is intrinsically linked to the battery’s ability to perform in adverse conditions, establishing it as a critical performance indicator.
The relationship between the CCA rating and the overall battery design of the “duralast gold battery bci group size 35 640 cca 35-dlg” is also noteworthy. The Duralast Gold designation, often associated with premium performance, suggests that the battery’s internal components and construction have been optimized to achieve a high CCA within the Group 35 size constraints. Factors such as plate composition, internal resistance, and electrolyte formulation are all tailored to maximize the battery’s ability to deliver high current at low temperatures. For example, manufacturers might use thinner, more numerous plates to increase the surface area available for electrochemical reactions, thereby boosting CCA. The practical application of understanding this relationship lies in informed battery selection; individuals residing in colder climates would benefit from prioritizing a battery with a higher CCA rating, even if it comes at a slightly higher cost, to mitigate the risk of cold-start failures. However, it is also necessary to verify if that the selected “duralast gold battery bci group size 35 640 cca 35-dlg” matches the manufacturer’s recommendation
In summary, the Cold Cranking Amps rating is an integral component of the “duralast gold battery bci group size 35 640 cca 35-dlg” specification, directly correlating to the battery’s ability to reliably start a vehicle’s engine in cold weather. Its significance extends beyond a simple performance metric, influencing battery design and dictating suitability for specific environmental conditions. The practical challenge lies in accurately assessing the required CCA for a given vehicle and climate, necessitating consultation of vehicle owner’s manuals and consideration of local weather patterns. Adherence to manufacturer recommendations and a realistic appraisal of operating conditions are essential for optimal battery selection and long-term vehicle performance.
Frequently Asked Questions
This section addresses common inquiries regarding the specifications and applications of the identified automotive battery. The information presented aims to clarify key aspects and inform appropriate usage.
Question 1: What does “BCI Group Size 35” signify?
The Battery Council International (BCI) Group Size 35 defines the battery’s physical dimensions and terminal placement. This standardization ensures compatibility with vehicles engineered to accommodate a battery of these specific dimensions. Using a battery with an incorrect group size can lead to installation difficulties and potential electrical system damage.
Question 2: How important is the 640 CCA (Cold Cranking Amps) rating?
The 640 CCA rating indicates the battery’s ability to deliver sufficient power to start an engine in cold weather conditions. A higher CCA rating generally corresponds to improved starting performance, particularly in colder climates. Selecting a battery with an inadequate CCA rating may result in starting failures, especially in low temperatures.
Question 3: What distinguishes a “Duralast Gold” battery from other Duralast batteries?
The “Duralast Gold” designation denotes a premium product line within the Duralast brand. These batteries often feature enhanced performance characteristics, such as increased cold cranking amps, extended reserve capacity, or a longer service life, compared to standard Duralast offerings.
Question 4: Is the Reserve Capacity (RC) rating of this battery important, even though it’s not explicitly stated in the model number?
Yes, the Reserve Capacity rating, while not explicitly included in the model number, is critical. It indicates how long the battery can power essential vehicle functions if the charging system fails. A higher RC provides a safety margin during charging system malfunctions.
Question 5: Can this battery be used in vehicles other than those specifically recommending a Group 35 battery?
Deviation from the vehicle manufacturer’s recommended battery group size is generally discouraged. Using a different size battery may lead to fitment issues, improper terminal connections, or damage to the vehicle’s electrical system. Always consult the vehicle owner’s manual for the correct battery group size.
Question 6: How can the lifespan of this battery be maximized?
Maintaining proper battery charge levels, avoiding deep discharge cycles, ensuring secure terminal connections, and protecting the battery from extreme temperatures can extend its lifespan. Regular battery testing can also identify potential issues before they lead to failure.
Key takeaways emphasize the importance of understanding battery specifications and adhering to manufacturer recommendations. Selecting an appropriate battery based on vehicle requirements and environmental conditions is crucial for reliable vehicle operation.
The following section will provide guidance on proper battery installation and maintenance practices.
Optimizing Performance
This section provides guidance on best practices for maximizing the performance and longevity of the identified automotive battery. Adherence to these recommendations can contribute to increased reliability and reduced maintenance costs.
Tip 1: Ensure Secure Terminal Connections:
Loose or corroded terminal connections impede current flow, reducing battery performance and potentially damaging the vehicle’s electrical system. Inspect terminals regularly for corrosion. Clean corroded terminals with a wire brush and a solution of baking soda and water. Ensure terminal connections are tightened to the manufacturer’s specified torque. The proper terminal connection is critical to realize the Cold Cranking Amp potential of the duralast gold battery bci group size 35 640 cca 35-dlg.
Tip 2: Maintain Proper Charge Levels:
Deep discharge cycles shorten battery life. Avoid leaving vehicle accessories (lights, radio, etc.) on when the engine is not running. If the vehicle is not used for extended periods, use a trickle charger or battery maintainer to prevent self-discharge. If not, the performance of the duralast gold battery bci group size 35 640 cca 35-dlg will degrade due to sulfation.
Tip 3: Protect from Extreme Temperatures:
Extreme heat and cold negatively impact battery performance and lifespan. Park vehicles in shaded areas during hot weather. Consider using a battery thermal wrap to insulate the battery from extreme temperatures. Avoid using the duralast gold battery bci group size 35 640 cca 35-dlg beyond its specified ratings.
Tip 4: Perform Regular Battery Testing:
Periodic battery testing can identify potential issues before they lead to failure. Use a battery tester to assess the battery’s state of charge and cranking ability. Battery testing services are often available at automotive parts retailers. A proactive approach ensures peak performance of the duralast gold battery bci group size 35 640 cca 35-dlg.
Tip 5: Avoid Short Trips:
Frequent short trips prevent the battery from fully recharging, leading to sulfation and reduced capacity. When possible, take longer trips to allow the charging system to replenish the battery’s charge. If mostly short trips are required, consider using a battery maintainer. This aids the cold cranking amps provided by the duralast gold battery bci group size 35 640 cca 35-dlg.
Tip 6: Verify Correct Group Size:
When replacing the battery, ensure that the replacement is the correct BCI Group Size (Group 35 in this case). An incorrect group size may not fit properly and can lead to terminal connection issues or damage to the vehicle. The duralast gold battery bci group size 35 640 cca 35-dlg is designed with these parameters in mind.
Tip 7: Address Parasitic Draws:
Parasitic draws (current leakage from the electrical system when the vehicle is off) can drain the battery. Identify and address any excessive parasitic draws to prevent premature battery discharge. An ammeter can assist in diagnosing parasitic current drains reducing long-term capacity of the duralast gold battery bci group size 35 640 cca 35-dlg.
Following these tips can significantly extend the lifespan and enhance the performance of the automotive battery. Regular maintenance and proactive measures are essential for optimal reliability.
The subsequent section will offer concluding remarks on this comprehensive overview.
Conclusion
This analysis has comprehensively explored the “duralast gold battery bci group size 35 640 cca 35-dlg,” dissecting its key attributes: the Duralast brand, BCI Group Size 35 designation, and 640 CCA rating. The significance of these components lies in their collective contribution to vehicle compatibility, starting power, and overall reliability. The discussion encompassed practical considerations for battery selection, emphasizing the need to adhere to manufacturer recommendations and assess environmental conditions. Furthermore, this exploration extended to maintenance practices aimed at optimizing battery performance and longevity.
Understanding the specific characteristics of automotive batteries, exemplified by the “duralast gold battery bci group size 35 640 cca 35-dlg,” empowers informed decision-making and responsible vehicle ownership. Continued advancements in battery technology will likely yield enhanced performance within standardized form factors. Therefore, maintaining awareness of evolving battery specifications and adapting maintenance strategies accordingly remains crucial for maximizing vehicle uptime and minimizing operational costs. Proper attention to battery care ensures reliable vehicle function and supports the longevity of this critical component.
