Dell 05NJTT 3.7v 1.8Wh 500mAh Lithium-Ion Battery Backup Unit For PERC
If you need a large quantity of 05NJTT product - call us through our toll-free number at (800) 675 5044 or request a quote at live chat and our sales manager will contact you shortly.
Looking for assistance? Connect with one of our experts
+1 (800) 675 5044 (Toll-Free)
FREE Shipping. We are accepting NET 30 Days Purchase Orders. Get a decision in seconds, without affecting your credit.

Dell 05NJTT 3.7v 1.8Wh 500mAh Lithium-Ion Battery Backup New

Availability: In Stock
Part Number#: 05NJTT
List Price was: $448.84
Your Price:
You Save: $255.84 (57% off)


New Sealed

Short Description:
05NJTT 3.7v 1.8Wh 500 milliampere-hour Lithium-Ion Battery Backup Unit For PERC | Made By Dell | Brand New
Product Condition:
New Sealed
Warranty provided by ALLHDD.COM:
90 Days
More Information on the Dell 05NJTT Battery For PERC

The Dell 05NJTT battery is a Lithium-Ion backup unit designed to provide power to the PERC (PowerEdge RAID Controller) in Dell servers. Operating at 3.7 volts with a capacity of 1.8 watt-hours and a current rating of 500 milliampere-hours, this compact yet powerful battery plays a critical role in maintaining data integrity during unexpected power outages. In the realm of data storage and server management, the Dell 05NJTT 3.7v 1.8Wh 500mAh Lithium-Ion Battery Backup Unit plays a crucial role. Specifically designed for PERC (PowerEdge RAID Controller), this battery unit ensures data integrity and system reliability in case of power failures or unexpected shutdowns. In this comprehensive guide, we will delve into the key features, functionality, and benefits of the Dell 05NJTT battery, shedding light on its significance in the context of server performance.

Role in Data IntegrityPowering the PERC Controller

The PERC Controller is responsible for managing and optimizing data storage through RAID configurations. The 05NJTT battery serves as a reliable power source for the PERC, ensuring that the controller can complete pending read and write operations even during power disruptions.

Cache Protection

Modern RAID controllers often utilize cache memory to temporarily store data before it is written to or after it is read from the storage drives. The 05NJTT battery acts as a safeguard for this cache memory, preventing data loss in case of power failure by providing sufficient power for the controller to flush the cache to permanent storage.

Key Features of the Dell 05NJTT BatteryLithium-Ion Technology

Leveraging the latest in battery technology, the Dell 05NJTT utilizes Lithium-Ion cells. This choice of technology ensures a higher energy density, longer life cycle, and improved overall performance compared to traditional battery technologies.

Voltage and Capacity

The 3.7-volt output of the 05NJTT battery aligns seamlessly with the power requirements of the PERC controller. With a capacity of 1.8 watt-hours, it provides sufficient power to support the controller during critical operations.

Compact Design

Measuring just a few inches in size, the 05NJTT battery boasts a compact design. This allows it to be easily integrated into server configurations without occupying excessive space, making it an efficient solution for data centers with limited real estate.

Benefits of the Dell 05NJTT BatteryUninterrupted Data Operations

The primary advantage of the 05NJTT battery lies in its ability to provide uninterrupted power to the PERC controller. This ensures that ongoing data operations are completed, preventing data corruption or loss during sudden power outages.

Enhanced System Reliability

By safeguarding the cache memory of the RAID controller, the 05NJTT battery contributes to enhanced system reliability. Servers equipped with this battery can withstand unforeseen power disruptions without compromising the integrity of stored data.

Extended Lifespan of Storage Drives

The consistent power supply from the 05NJTT battery also contributes to the extended lifespan of storage drives. Sudden power loss can lead to wear and tear on drives, but the battery ensures a controlled shutdown, mitigating potential damage and preserving the longevity of storage components.

General Information About this Dell 05NJTT
  • Manufacturer: Dell
  • Model Number or SKU# 05NJTT
  • Product Type: PERC
  • Product Name: Battery

Finally, the Dell 05NJTT 3.7v 1.8Wh 500mAh Lithium-Ion Battery Backup Unit for PERC stands as a critical component in ensuring the reliability and data integrity of Dell PowerEdge servers. Its compact design, advanced technology, and seamless compatibility make it a valuable addition to server configurations, providing peace of mind in the face of unexpected power challenges. By understanding its features, installation process, and benefits, users can make informed decisions about incorporating the 05NJTT battery into their server infrastructure, fortifying their data management capabilities.

Product Condition:
New Sealed
Warranty provided by ALLHDD.COM:
90 Days


Please choose your location for calculate shipping cost.


ALLHDD guarantees that the products will not have defects in material that will affect the product's functionality during the Standard Warranty Period. The warranty period starts when the merchandise/items from our warehouse.

What does ALLHDD.Com warranty cover?

30-days to 3 years warranty:

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.

What is not covered by our warranty?

The reason why our warranty does not cover any problem caused by the following conditions:

(a) misuse of hardware; accidental damage; carelessness product(s) damage; shock; temperature beyond the specification of any product; faulty installation; operation; modification of goods;

(b) any misuse outside the instructions in the user manual for any specific product;

(c) damaged caused by other hardware or equipment. The warranty will void if the item is returned with physical damage, damage to the retail box, removed from the box, counterfeit labels/labelled by them, or any modifications of internal and external covers. Data loss or damages to any other equipment we do not cover by our offered warranty.

What is the Manufacturer/Brand Warranty?

In general, a manufacturer's warranty service/support is a written guarantee to the buyer of a product. Its terms assure the replacement or repair of the product, if necessary, within a specified period after the purchase (2-5 years depending on the brand/manufacturer). It is typically included in the price of the product. Products are brand new and sealed and the original manufacturer box is complete with the Manufacturer's genuine warranty. For most of the brand new/retail products that come with the manual and box, exceptions may apply (i.e., Cisco, Juniper Networks).

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.
Final Sale items are non-returnable/refundable in any situation. Any question? please ask our team before the shipment.

Important notes:

We can provide additional warranty service/support for any product you purchase from us if you need additional warranty coverage before finalizing the order from ALLHDD.Com. You need to ask in live chat/help or call us for more information.

Individual product warranty mentioned on each item product description page/detail page.

Free Technical support on purchased items, our expert consultancy over the phone, by email, by live chat, or by remote login.


Shipping Options and Estimated Delivery Time

UPS Shipping Options:

FREE UPS® Ground (Free shipping to all orders for 48 states!)
Estimated delivery time: 4-7 business days

UPS 3 Day Select®
Estimated delivery time: 3 business days

UPS 2nd Day Air®
Estimated delivery time: 1-2 business days, Delivery by 10:30 AM or 2:00 PM

UPS Next Day Air® Standard Overnight
Estimated delivery time: Overnight 2-5 PM, Standard Overnight Delivery.

UPS Next Day Air® - Priority Overnight
Estimated delivery time: Overnight Delivery (Next Business Day) Delivery by 10:30 AM or 12:00 PM

UPS Next Day Air® First Overnight - Early A.M
Estimated delivery time: Overnight 8:00 AM, Early morning, overnight delivery for your time-critical shipments.

UPS® First Overnight - Saturday
Estimated delivery time: Overnight 8:30 AM – Saturday

FedEx Shipping Options:

FedEx Ground®
Estimated delivery time: (4–7 business days in the contiguous 48 states)
*For residential delivery via FedEx Ground use FedEx Home Delivery®
Estimated delivery time: 4−7 business days, based on the distance to the destination.

FedEx Express Saver®
Estimated delivery time: 3 business days (by 4:30 PM to U.S. businesses; by 8:00 PM to residences)
Available throughout all 50 states (except Hawaii and Alaska)

FedEx 2Day®
Estimated delivery time: 2 business days (by 4:30 PM to U.S. businesses; by 8:00 PM to residences)
Available throughout all 50 states

FedEx Standard Overnight®
Estimated delivery time: Next-business-day (by 4:30 PM to U.S. businesses and by 8:00 PM to residences)
Available throughout all 50 states (Hawaii is outbound only)

FedEx Priority Overnight®
Estimated delivery time: Next-business-day (by 10:30 PM to U.S. businesses, noon to most residences)
Available throughout all 50 states

FedEx First Overnight®
Estimated delivery time: Next-business-day (by 8:30 or 9 AM to most areas)
Available throughout all 50 states

Worldwide Shipping Options:

UPS®/FedEx® International Economy

Estimated delivery time: 4-7 business days

UPS®/FedEx® International Priority

Estimated delivery time: 2-4 business days

UPS®/FedEx® Ground Shipping Canada

Estimated delivery time: 5-8 business days

Important notes:

  • The processing of orders with Ground Shipping can take up to 24-48 hours. But we try to process all orders the same day.
  • We are not responsible for weather problems that may affect the delivery of goods by carriers. We cannot guarantee the exact delivery time, regardless of the carriers' claims.
  • If you have any specific delivery time requirements, please contact our customer support and someone from our customer service team will be able to help you.
  • You can estimate the shipping cost from the products detail page, also available on the checkout page
  • The shipping cost depends on box dimensions, weight, and zip/postal code
  • To get a FedEx® delivery service you need to mention it on the checkout page notebox.
  • For urgent shipments, please contact our customer service.
  • Shipping cut off 4:00 PM (Monday-Friday) and available blind drop shipment.