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CB Range  |  SKU: CB129X16-10377

Dell K805N UPS Replacement Battery Kit 12V 9Ah AGM 16 Pack

🚀 In stock and ready for shipment from our warehouse. Pickup NOT available for this product
Sale price $500.99 CAD Regular price $556.42
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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 4200W (K805N) UPS Replacement Battery Kit – 12V 9Ah AGM (16 Pack)

Restore dependable backup power to your Dell 4200W (K805N) UPS with this complete replacement battery kit. Featuring sixteen high-quality 12V 9Ah AGM sealed lead acid batteries, this pack delivers reliable standby performance, maintenance-free operation, and a precise fit for compatible UPS systems.

16 Battery Pack 12V 9Ah AGM T2 Terminals UPS Replacement

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 16 Batteries
Terminal Type T2
Dimensions 5.95" (L) x 2.56" (W) x 3.7" (H), 3.94" to top of terminal
Gross Weight 40 Kg (88.18 lbs)
SKU CB129

Why Choose This Product

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  • Designed as a replacement battery solution for Dell 4200W (K805N) UPS systems.
  • Provides reliable backup power during outages and power fluctuations.
  • Maintenance-free AGM construction eliminates routine servicing.
  • Durable sealed design helps maximize energy retention and battery longevity.
  • T2 terminals allow secure battery connections.
  • Complete 16-pack kit for full UPS battery replacement.

Compatible Models

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Dell 4200W (K805N)

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

Product Highlights

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  • 12V 9Ah output per battery.
  • AGM sealed lead acid technology.
  • Spill-proof and maintenance-free design.
  • Engineered for dependable UPS backup performance.
  • Compact form factor for UPS battery compartments.
  • Premium construction for long service life.

Frequently Asked Questions

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How many batteries are included?
Sixteen 12V 9Ah AGM batteries are included in this replacement kit.

What terminal type does this battery use?
Each battery is equipped with T2 terminals.

Do I need new cables or connectors?
Existing connectors and cables should be reused. Some assembly is required.

Is this an AGM battery?
Yes. It uses sealed lead acid AGM technology for maintenance-free operation.

Warranty & Returns

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

Installation & Final Notes

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This replacement battery kit is designed to help keep your Dell 4200W (K805N) UPS operating at peak performance. Reuse your existing connectors and cables during installation, and verify battery requirements before ordering to ensure proper fitment and operation.

Important: Existing connectors and cables must be reused. Some assembly is required.

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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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