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CB Range  |  SKU: CB129X8-10369

Dell 2700W K803N-4U UPS Replacement Battery Kit 12V 9Ah 8 Pack

🚀 In stock and ready for shipment from our warehouse. Pickup NOT available for this product
Sale price $265.99 CAD Regular price $294.67
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Just a Quick Reminder!
Please double-check that the batteries you're ordering match the ones in your unit before completing your purchase.

Please note: We only supply the batteries shown in the images. Product images of devices are shown for reference only.

Dell 2700W (K803N-4U) UPS Replacement Battery Kit – 12V 9Ah AGM (8 Pack)

Restore dependable backup power to your Dell 2700W (K803N-4U) UPS with this complete replacement battery kit. Featuring eight high-quality 12V 9Ah AGM sealed lead acid batteries, this pack is designed to provide reliable runtime, maintenance-free operation, and consistent performance during power interruptions.

8 Battery Kit 12V 9Ah AGM T2 Terminals Maintenance-Free

Technical Specifications

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Brand CB Range
Battery Model CB129
Battery Type Sealed Lead Acid (AGM)
Voltage 12V
Capacity 9Ah per Battery
Quantity 8 Batteries
Terminal Type T2
Dimensions 5.95" (L) x 2.56" (W) x 3.7" (H), 3.94" to Top of Terminal
Gross Weight 20 Kg (44.09 lbs)
SKU CB129

Why Choose This Product

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  • Provides reliable backup power for Dell 2700W (K803N-4U) UPS systems.
  • High-quality AGM construction delivers stable and dependable performance.
  • Maintenance-free sealed design eliminates routine upkeep.
  • Built for long-lasting energy retention and consistent operation.
  • T2 terminals support secure installation.
  • Complete 8-battery replacement pack for full UPS battery renewal.

Compatible Models

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Dell 2700W (K803N-4U)

Must match both the UPS model and battery requirements before ordering.

Product Highlights

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  • 12V 9Ah sealed lead acid AGM batteries.
  • Eight batteries included in the replacement kit.
  • Spill-proof, maintenance-free AGM technology.
  • Designed for dependable UPS backup performance.
  • Compact sizing for UPS battery compartment fitment.
  • Premium construction for reliable energy delivery.

FAQs

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How many batteries are included?

This replacement kit contains 8 batteries.

What type of battery is included?

These are sealed lead acid batteries utilizing AGM technology.

What terminal type do these batteries use?

Each battery is equipped with T2 terminals.

Is assembly required?

Yes. Existing connectors and cables must be reused, and some assembly is required.

Warranty & Returns

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Includes a 1-year warranty and a 30-day return policy for a refund.

Reliable Backup Power for Critical Equipment

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Keep your Dell 2700W (K803N-4U) UPS prepared for unexpected outages with this complete 8-pack replacement battery kit. Designed for dependable performance and easy integration into your existing UPS system, these AGM batteries help maintain continuous protection for connected equipment.

Re-use existing connectors and cables during installation. Proper handling and installation are recommended for optimal performance.

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Please note: We reserve the right to send heavier items by transport truck if the carrier's maximum weight per package is exceeded or if we consider it too risky to place with a courier due to the possibility of damage occurring.

🔋 What’s mAh All About?

mAh stands for milliamp hours—basically, how much "fuel" your battery can hold. A higher or lower mAh than your original battery? No worries! 🙌 It won’t affect charging or operation—just means your device might run a bit longer or shorter between charges. Still 100% compatible. Still 100% awesome. 💪✨

Before ordering please read

Ensure the original battery model number is mentioned in our product description and verify that your device model number is also listed in the description.

How to Look after your new lithium battery!!

See how to look after your battery if its lithium Lithium Care

Delivery and Shipping

See our shipping policy and details at this link Shipping Details

📸 Send Us Your Battery Image

Not sure which replacement battery you need? Just snap a Photo / Video of your current battery and send it our way! Our team will quickly identify the exact match and recommend the perfect replacement model — no guesswork, no hassle.

🔍 Fast, Expert Assistance

We’ve helped thousands of customers find the right battery — let us do the same for you. Whether it’s for an alarm system, emergency light, or industrial equipment, we’ve got you covered.

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