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CB Range  |  SKU: RBC43-B222

Battery for SMT3000RMT2U APC Smart UPS – RBC43 Replacement 12V 5Ah AGM Batteries (8-Pack)

🚀 In stock and ready for shipment from our warehouse. Pickup NOT available for this product
Sale price $209.99 CAD Regular price $232.64
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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.

Battery for SMT3000RMT2U 3000VA RM 2U LCD 208V APC Smart UPS – 12V 5Ah AGM Replacement Battery Kit (8-Pack)

Keep your UPS system operating reliably with this premium RBC43 replacement battery kit for the SMT3000RMT2U 3000VA RM 2U LCD 208V APC Smart UPS. This complete 8-pack of 12V 5Ah AGM sealed lead acid batteries is engineered to deliver dependable backup power, stable voltage output, and long-lasting performance for mission-critical UPS applications.

12V 5Ah AGM Batteries RBC43 Compatible Maintenance-Free Design 8 Battery Complete Kit

Technical Specifications

Product Type UPS Replacement Battery Kit
Compatible UPS Model SMT3000RMT2U APC Smart UPS
RBC Replacement RBC43
Brand CB Range
Battery Voltage 12V
Battery Capacity 5Ah
Battery Chemistry Sealed Lead Acid (AGM)
Terminal Type T2
Quantity Included 8 Batteries
Battery Dimensions 90 x 70 x 101mm
Imperial Dimensions 3.54" x 2.76" x 3.98"
Gross Weight 12.81 Kg / 28.24 lbs
SKU RBC43-B222

Why Choose This RBC43 Battery Kit?

  • Reliable UPS Backup Power: Designed to restore dependable runtime performance for APC Smart UPS systems.
  • High-Quality AGM Technology: Maintenance-free sealed lead acid construction provides spill-proof and reliable operation.
  • Perfect RBC43 Replacement: Engineered for compatibility with SMT3000RMT2U 3000VA RM 2U LCD 208V APC Smart UPS systems.
  • Complete 8-Pack Kit: Includes all 8 replacement batteries required for a full UPS battery refresh.
  • Long Service Life: Built using durable internal components for dependable standby and cyclic performance.
  • Stable Voltage Output: Provides consistent power delivery during outages and power fluctuations.
  • Easy Installation: Designed for direct replacement using your existing UPS connectors and cables.

Compatible UPS Models

SMT3000RMT2U APC Smart UPS SMT3000RMT2U 3000VA RM 2U LCD 208V APC Smart UPS RBC43

Please confirm your UPS model number and existing battery specifications before ordering.

Typical Applications

  • Rackmount UPS systems
  • Server backup power systems
  • Network and telecom equipment
  • Business continuity backup systems
  • Data center UPS applications
  • Critical power infrastructure
  • Industrial backup power equipment

APC RBC43 Battery FAQs

  • Is this battery kit compatible with the APC SMT3000RMT2U UPS?
    Yes. This replacement kit is designed specifically for the SMT3000RMT2U 3000VA RM 2U LCD 208V APC Smart UPS.
  • How many batteries are included?
    This complete replacement kit includes 8 individual 12V 5Ah AGM batteries.
  • Do I need new cables or connectors?
    No. You must reuse your existing UPS connectors and cables during installation.
  • What type of battery chemistry is used?
    These are sealed lead acid AGM batteries designed for UPS standby power applications.
  • Are these batteries maintenance-free?
    Yes. AGM batteries are fully sealed, spill-proof, and maintenance-free under normal operating conditions.
  • Does this replace APC RBC43 battery packs?
    Yes. This kit is a compatible replacement for APC RBC43 UPS battery systems.

Product Highlights

  • Battery Voltage: 12V
  • Battery Capacity: 5Ah
  • Chemistry: AGM Sealed Lead Acid
  • Terminal Type: T2
  • Replacement Type: APC RBC43 Compatible
  • Kit Quantity: 8 Batteries
  • Battery Size: 90 x 70 x 101mm
  • Warranty: 1-Year Warranty
  • Returns: 30-Day Return Policy

Installation Information

Please Note: You will need to reuse your existing UPS connectors and cables during installation. Some assembly is required when replacing the batteries inside the UPS battery cartridge housing.

Warranty & Returns

This RBC43 replacement battery kit includes a 1-year warranty and a 30-day return policy for added peace of mind. Buy with confidence knowing your UPS backup power system is protected with reliable replacement batteries from CB Range.

Reliable Replacement Batteries for APC Smart UPS Systems

Restore dependable backup runtime to your SMT3000RMT2U APC Smart UPS with this high-performance RBC43 replacement battery kit. Built for stable performance, long service life, and reliable UPS operation, these 12V 5Ah AGM batteries are an ideal replacement solution for business-critical backup power systems.

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🔋 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

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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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