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SigmasTek  |  SKU: BW-3632

APC BACK-UPS XS BX900 UPS High Performance Replacement Battery Set 10.51 lb

13% off
New arrival
Sale price $53.99 USD Regular price $61.99
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Includes 2 SigmasTek SP12-7.5HR batteries (12V 7.5AH) for APC BACK-UPS XS BX900
High rate discharge ideal for short-term power needs
Spill-proof valve regulated for leak-free and safe use
Low self-discharge keeps batteries charged longer
Certified quality with a 1-year warranty
In stock

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Battery Care Tips

🔹 Getting Started

Charge your new battery fully before you use it for the first time. Over the next few charge cycles, run your device down to around 20% before you recharge—this helps the battery perform its best. After that, charge whenever you need to.

🔹 Keep It Healthy

Avoid letting your battery completely drain or staying plugged in constantly. Both extremes wear it out faster. Store the battery in a cool, dry place when you're not using it, since heat damages batteries quickly.

Delivery and Shipping

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Volts & Amps

12 Volts | 7.5 Ah

Terminal Type

F2

SigmasTek SP12-7.5HR Replacement Battery Set for APC BACK-UPS XS BX900

This replacement UPS battery set is purpose-built for the APC BACK-UPS XS BX900, delivering reliable compatibility, strong performance, and the dependability required for critical backups. Each pack contains two SigmasTek SP12-7.5HR batteries (12 Volts, 7.5 AH) that have been factory tested to provide consistent output when your BACK-UPS XS BX900 requires emergency power. If you want a high-performance UPS battery and a long-lasting battery option for home or office protection, this set is an excellent choice.

Key Specifications

  • Brand: SigmasTek
  • Model: SP12-7.5HR
  • Quantity: 2 batteries per set
  • Voltage: 12 Volts
  • Capacity: 7.5 AH (Amp-hours)
  • Design: High Rate Discharge Design
  • Construction: Valve Regulated Spill Proof Construction
  • Feature: Low Self-discharge
  • Feature: High Vibration Resistance
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Compatible UPS Model: APC BACK-UPS XS BX900

Benefits

These batteries are engineered to deliver high instantaneous power, making them ideal for the high rate discharge demands often seen in UPS events. As a replacement UPS battery option for the APC BACK-UPS XS BX900, they ensure your devices receive clean, reliable power during outages and surges. The valve-regulated, spill-proof design minimizes maintenance and increases safety, while low self-discharge preserves capacity over long standby periods — an important trait for a long-lasting battery you can depend on when power is lost.

Built to withstand vibration and mechanical stress, these cells are well-suited to both stationary and mobile installations. The U.L. recognition and CE certification demonstrate compliance with safety and performance standards, offering additional peace of mind. Typical applications include use in Uninterruptible Power Supply (UPS) units like the APC BACK-UPS XS BX900, emergency power systems, and certain battery-powered tools that match electrical requirements. Our technical team individually tests each set to ensure it meets or exceeds OEM specifications so you receive a high-performance UPS battery replacement.

Please remember to use the existing cables and hardware from your original BX900 configuration when installing these replacement batteries.

Restore reliable backup power to your APC BACK-UPS XS BX900 today — add this high-performance, long-lasting battery set to your cart now. Fast shipping on in-stock items and a one-year warranty provide added value and confidence.

Technical Specifications

Voltage12 Volts
Amp Hours7.5 Ah
Terminal TypeF2
Length (in.)5.95
Width (in.)2.56
Height (in.)3.7
Weight (lb.)10.5

Product Highlights

  • Brand Replacement : APC BACK-UPS
  • Manufacturer: SigmasTek
  • Product Type: UPS Batteries
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

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