S00301 Dell EqualLogic Type 7 10 Ultralife 3.6v Battery.

Dell S00301 3.6v Battery for PS6000 PS6500 Type 7 Controller

The Dell S00301 3.6v Battery is a reliable and high-performance replacement designed specifically for Dell EqualLogic PS6000 and PS6500 storage arrays with Type 7 Controllers. Engineered for enterprise-class environments, this battery ensures consistent functionality and dependable backup support to safeguard valuable business data.

Main Information About Dell S00301

• Manufacturer: Dell
• Part Number: S00301
• Product Category: Battery
• Voltage: 3.6V
• Compatibility: EqualLogic PS6000, PS6500 with Type 7 Controller

Key Advantages of Dell S00301 Battery

Enterprises relying on Dell storage systems need a dependable power source. The S00301 battery provides:

• Consistent backup performance during power disruptions
• Long-lasting operational support for Type 7 controllers
• Reliable compatibility with PS6000 and PS6500 arrays
• Quality tested and engineered to meet Dell enterprise standards

Compatibility and Integration

The Dell S00301 is tailored for seamless integration with EqualLogic systems, ensuring:

• Simplified installation without modifications
• Optimized fit for Type 7 Controller slots
• Stable and safe power supply for storage controllers
• Improved overall system reliability and uptime

Enterprise Storage Reliability

The Dell S00301 battery plays a crucial role in protecting enterprise data. By powering the PS6000 and PS6500 controllers during outages, it safeguards transactions and reduces downtime risks. Businesses depending on uninterrupted access to their storage systems can rely on this power unit as a vital component of their IT infrastructure.

Highlights of Dell S00301

• Specifically built for Dell EqualLogic PS Series
• Supports Type 7 Controller functionality
• Delivers 3.6V reliable power output
• Part Number: S00301 for quick identification

Best Practices for Battery Maintenance

To maximize the lifespan and efficiency of the Dell S00301 3.6v battery, consider the following practices:

• Regularly check battery health status via Dell monitoring tools
• Replace aging batteries proactively to avoid disruptions
• Ensure storage systems operate within recommended environmental conditions
• Utilize only Dell-approved replacements for guaranteed compatibility

Dell S00301 3.6V Battery for PS6000 PS6500 Type 7 Controller Overview

The Dell S00301 3.6V battery for PS6000 and PS6500 Type 7 controller applications is designed to safeguard the integrity of data across a wide range of EqualLogic storage deployments by maintaining controller cache availability during planned and unplanned power events. In high performance iSCSI SAN environments where consistent throughput and predictable latency are essential, the controller’s write cache is a primary contributor to the array’s responsiveness. This battery module provides the necessary reserve to preserve cached metadata and pending writes, allowing the controller to stage and de-stage information safely once stable power returns or failover completes. By pairing enterprise-grade lithium chemistry with controller-aware charge management, the S00301 unit integrates seamlessly with the Type 7 controller architecture used in PS6000 and PS6500 arrays, supporting routine maintenance windows and unexpected interruptions while keeping availability targets intact.

Beyond simple backup, the role of the 3.6V module extends to lifecycle assurance for the controller’s nonvolatile systems. The battery communicates status to system firmware so administrators can proactively schedule replacements in accordance with health indicators rather than reacting to failure. Because EqualLogic platforms emphasize ease of management and automated load balancing, a healthy cache protection subsystem is foundational to every storage policy implemented above it, including snapshots, replication, and tiering strategies that depend on transactional consistency. The S00301 battery is therefore a small component with an outsized impact on the stability and recoverability of the array as a whole, making it a critical category item for any organization standardizing on PS6000 or PS6500 systems.

Compatibility with EqualLogic PS6000 and PS6500 Type 7 Controllers

The S00301 battery category centers on confirmed compatibility with Dell EqualLogic PS6000 and PS6500 platforms that utilize Type 7 controllers. EqualLogic arrays evolved through multiple controller generations, each refining performance and firmware capabilities. Type 7 controllers introduced robust cache management routines, improved diagnostics, and refined thermal handling, all of which work in concert with the 3.6V battery module. Using a battery unit engineered for this specific controller family ensures the cache hold-up characteristics, voltage thresholds, and reporting telemetry align with the firmware’s expectations. This alignment reduces nuisance alarms, prevents premature cache write-back disablement, and provides the correct reserve capacity window for staged shutdown or mirrored controller failover.

In mixed environment data centers where PS6000 and PS6500 arrays operate alongside newer or older series, keeping the correct battery module tied to the Type 7 generation simplifies spares management and accelerates maintenance workflows. Consolidating on the S00301 for the Type 7 fleet avoids cross-referencing part numbers during time-sensitive service events and ensures that each controller receives a battery with the correct physical footprint, connector orientation, and mechanical retention method. The result is fewer compatibility surprises and a smoother return to service in clustered or load-balanced SAN topologies.

Understanding the 3.6V Lithium Chemistry and Design

The Dell S00301 battery’s 3.6V nominal rating reflects a lithium-based cell architecture selected to balance energy density, long-term stability, and predictable discharge profiles. In the context of controller cache protection, the goal is not continuous runtime but reliable, repeatable reserve power for a bounded window so that cached writes remain protected. Lithium chemistry is well-suited to this application because it offers low self-discharge rates that preserve capacity during long periods at standby while still delivering sufficient current during the brief, critical moments of cache hold-up. The module’s pack design integrates protection circuitry to guard against over-discharge and temperature extremes, which helps maintain cell health over many charge and test cycles that the controller may initiate as part of its routine self-checks.

Because the battery works under the supervision of controller firmware, charge management is not left to chance. The Type 7 controller periodically assesses the pack’s state-of-charge, internal resistance, and temperature to determine whether write-back caching can remain enabled. When metrics fall outside predefined safe limits, the array can automatically transition to a safer write-through mode, preserving data reliability even as performance is reduced. This interplay between chemistry and code means that the physical battery and the logical policies that depend on it are inseparable components of a coherent cache protection strategy.

Physical Form Factor and Serviceability Considerations

In a crowded equipment rack, access and ergonomics matter. The S00301 battery module is sized and shaped for straightforward service within the PS6000 and PS6500 chassis, supporting swift removal and insertion without unnecessary disassembly. The connector alignment and keyed housing prevent mis-seating and contribute to consistent electrical contact after replacement. Administrators prioritize minimal maintenance windows, and the ability to replace the battery efficiently complements the hot-swappable controller design philosophy of EqualLogic arrays. While routine best practices dictate planned maintenance after data path redundancy is verified, the physical design of the battery reduces handling risk and encourages adherence to lifecycle replacement schedules.

Operational Role of the Battery in Write Cache Protection

Write cache is a cornerstone of EqualLogic performance, accelerating host acknowledgments by staging data in high-speed memory before it is committed to disk. The S00301 3.6V battery ensures this staging process never jeopardizes data integrity. If power becomes unstable or a controller must gracefully transition, the reserve provided by the battery preserves the cache contents until the array completes its flush or mirrors the state to a surviving peer. The result is a data path that is both fast and trustworthy, allowing administrators to benefit from aggressive caching policies without incurring undue risk during anomalies. In a SAN where virtualized workloads and databases create bursty I/O patterns, maintaining cache availability is especially important to smooth out peaks and keep latency predictable for dependent applications.

During normal operation, the controller continually validates that the battery can sustain the required hold-up period specified by firmware. The test routines are calibrated to reflect realistic environmental conditions, including the thermal envelope of the chassis and the expected cache footprint. When the battery passes these checks, write-back caching remains enabled, maximizing throughput. If the battery requires conditioning, is nearing end-of-life, or signals a degraded state, the controller can notify management tools and temporarily restrict caching until the condition is resolved. This dynamic ensures that even if the battery is outside ideal parameters, the system defaults to a safety-first posture that prioritizes data preservation.

Performance Stability and Latency Benefits

The practical outcome of a healthy S00301 battery is not just protection during outages but measurable performance stability across days and months of operation. With reliable cache hold-up, the controller avoids frequent mode switches that can introduce inconsistent performance profiles. Application owners experience steadier latency because the array does not oscillate between write-back and write-through states due to marginal battery behavior. In environments with strict service level objectives, consistency is as valuable as peak throughput, and the battery’s health directly influences that consistency. The effect compounds in clusters, where multiple arrays contribute volumes to a shared pool; a single array reverting to conservative caching can produce uneven response times that ripple through load-balancing algorithms. Ensuring every Type 7 controller is paired with a robust S00301 battery keeps the entire pool performing uniformly.

Beyond latency, the controller’s background housekeeping jobs such as snapshot indexing and replication queuing benefit from stable caching. These tasks depend on predictable write coalescing and metadata updates. When write-back is consistently available, the array can batch work more efficiently, making better use of spindle time on traditional disks and maintaining throughput headroom for front-end iSCSI sessions. For organizations that have tuned multipathing and host initiator settings, the battery closes the loop by guaranteeing that those optimizations are not undermined by intermittent cache disablement.

Data Integrity and Recovery Confidence

While performance discussions often dominate storage planning, data integrity remains the non-negotiable requirement. The S00301 battery contributes to integrity by preserving in-flight writes and critical metadata whenever the controller cannot immediately destage to disk. This protection enables clean, deterministic recovery processes after power restoration or controller failover. Administrators can trust that journaled updates and write order fidelity are preserved, simplifying forensic analysis if an incident occurs and reducing the likelihood of file system or database corruption. In backup and replication workflows that rely on application-consistent snapshots, maintaining cache continuity is central to producing recoverable recovery points with minimal post-restore repair operations.

Because EqualLogic systems expose health status through management interfaces and SNMP, the battery’s telemetry becomes part of the broader monitoring fabric. Seeing a clear picture of reserve capacity and projected end-of-life allows teams to align maintenance with change control calendars rather than reacting to emergencies. The visibility the S00301 provides through the controller ecosystem elevates the overall confidence administrators place in the array’s ability to protect data under stress.

Power Event Scenarios and Controller Behavior

Real-world data centers encounter a spectrum of power events, from brief brownouts to extended utility interruptions. The S00301 battery equips the controller to handle these scenarios gracefully. During a short-duration voltage dip, the controller sustains cache without disrupting host sessions, absorbing the event as a non-incident. In a longer outage where the chassis power collapses, the reserve window allows the controller to place cached writes into a persistent state or mirror to a surviving node, setting the stage for a clean restart once infrastructure power returns. If the event coincides with a controller failover, the battery helps maintain transactional continuity so the peer can assume duties without losing the recent write horizon. Each of these behaviors depends on a trustworthy battery reserve matched to the Type 7 controller’s firmware logic.