Dell  XJ547  3.7V 7WH Li-Ion Battery
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XJ547 Dell 3.7V 7WH Li-ion Battery For Perc 5I.. Refurbished

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Part Number#: XJ547
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Short Description:
XJ547 Dell 3.7V 7WH Li-ion Battery For Perc 5I. Refurbished.
Product Condition:
Warranty provided by ALLHDD.COM:
30 Days

Battery Life and Performance

The XJ547 Dell 3.7V 7WH Li-ion Battery is a backup battery designed for use with the PERC 5i RAID controller. Its primary purpose is to provide backup power in the event of a power failure or other power-related issues to prevent data loss or corruption.

In terms of battery life and performance, the actual battery life can vary depending on various factors such as the temperature and humidity of the environment, frequency and duration of power outages, and the usage patterns of the RAID controller.

The battery has a capacity of 7 watt-hours, which means it can deliver a current of 7 watts for 1 hour or 1 watt for 7 hours before needing to be recharged. However, the actual performance can vary depending on the operating conditions of the RAID controller and the load placed on the battery.

It is important to note that the battery is designed for backup power and not for continuous operation. The battery is meant to provide temporary power to the RAID controller while it is being shut down properly in the event of a power outage. As such, the battery is typically not designed to provide extended backup power for long periods of time.

In terms of recharging, the XJ547 Dell 3.7V 7WH Li-ion Battery is rechargeable and can be recharged using the appropriate charger provided by Dell. The charging time can vary based on the charging conditions and the level of discharge of the battery.


The XJ547 Dell 3.7V 7WH Li-ion Battery is specifically designed for use with the Dell PERC 5i RAID controller. It is not compatible with other RAID controllers or devices that use different battery models or specifications.

It is important to ensure that the battery is compatible with the specific model of the RAID controller before purchasing and using it. Using an incompatible battery can damage the RAID controller or the battery itself and may result in data loss or corruption.

If you are unsure about the compatibility of the XJ547 Dell 3.7V 7WH Li-ion Battery with your specific RAID controller or device, it is recommended to consult the product manual or contact Dell customer support for assistance.

Maximizing Battery Life

To maximize the battery life of the XJ547 Dell 3.7V 7WH Li-ion Battery for PERC 5i, you can follow these tips:

  • Properly configure your RAID controller: Configure your PERC 5i RAID controller to optimize the use of the battery backup unit. Ensure that the battery backup unit is properly installed and recognized by the controller.
  • Optimize the environment: Keep the environment around the battery and the controller cool and dry to prevent heat and moisture damage. Avoid exposing the battery to extreme temperatures, which can cause damage and shorten its lifespan.
  • Use Dell recommended charger: Use only the Dell-recommended charger for your battery and ensure that it is functioning correctly. Do not use third-party or counterfeit chargers, as they may damage the battery or cause it to malfunction.
  • Monitor battery status: Regularly monitor the battery's status to ensure it is performing correctly and recharge the battery before it is completely depleted. The PERC 5i RAID controller includes software to monitor the battery's status.
  • Replace the battery when needed: Replace the battery when its capacity has degraded beyond the acceptable level. Dell recommends replacing the battery every two to three years.

Product Information

  • Manufacturer: Dell
  • MPN: XJ547
  • Type: Battery
  • Sub-Type: 3.7V
  • SKU: XJ547
Product Condition:
Warranty provided by ALLHDD.COM:
30 Days

About Refurbished Products

Refurbished products are typically refurbished by an Original Manufacturer or an affiliate of the manufacturer or 3rd party facility. This product may have minor blemishes due to normal product usage and doesn't necessarily come with documentation and software unless indicated, but has been well tested and generally has never had any defects.

Here, you can check more available conditions of your desired product XJ547 at a competitive price. We are trying our best to meet your needs on the enterprise-level computer, server, data centre, and networking hardware. You are welcome to ask our live chat or get live representative support over the phone.

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What does ALLHDD.Com warranty cover?

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Replacement or refund. In the case of material defects, we will try to replace the product first. The product will be replaced before the expiration of the original warranty. For any failure of hardware, if we cannot process the replacement of the product(s)/model(s), we will refund the original selling/invoiced price. The shipping costs and sales tax, if any, are non-refundable. ALLHDD retains the right to decide whether the item(s) will process for replacement or refund.

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For the server parts (i.e., Dell, HPE) to get Full coverage of the warranty server must have a full 3- 5 years warranty. However, ALLHDD.COM will cover the warranty duration if any Manufacturer doesn't support the advertised warranty and there is no refund for those.
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