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SigmasTek  |  SKU: BW-3676

APC BACK-UPS RS BR800 UPS High Performance Replacement Battery Set 10.51 lb

23% off
New arrival
Sale price $53.99 USD Regular price $69.99
Shipping calculated at checkout.
Includes 2 brand new SigmasTek SP12-7.5HR batteries (12V 7.5AH)
High rate discharge design supports UPS and emergency power needs
Valve regulated, spill-proof batteries for safe and maintenance-free use
Features low self-discharge and strong vibration resistance
UL recognized, CE certified and backed by a 1 year warranty
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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.

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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 RS BR800

This premium replacement UPS battery set is engineered for compatibility with the APC BACK-UPS RS BR800 and delivers reliable performance when you need it most. Each set includes two factory-fresh SigmasTek SP12-7.5HR batteries (12 Volts, 7.5 AH) designed for high-rate discharge UPS applications. Whether you’re restoring backup runtime for a home office or protecting a small business server, this replacement UPS battery pair offers dependable, long-term power and is built to meet and exceed OEM expectations.

Key Specifications

  • Quantity: 2 batteries per set
  • Model: SigmasTek SP12-7.5HR
  • Voltage: 12 Volts
  • Capacity: 7.5 AH
  • Terminal: F2
  • High Rate Discharge Design
  • Valve Regulated Spill Proof Construction
  • Low Self-discharge
  • High Vibration Resistance
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty

Benefits

Designed for durability and consistent output, this high-performance UPS battery replacement provides superior cycle life and dependable performance under demanding conditions. The valve-regulated, spill-proof construction minimizes maintenance and reduces the risk of leakage, while low self-discharge characteristics ensure the batteries retain charge during storage so they’re ready when an outage occurs. High vibration resistance makes this set suitable for both stationary UPS systems and environments where equipment experiences movement or vibration.

As a high-performance UPS battery, this SigmasTek set is ideal for restoring runtime to APC BACK-UPS RS BR800 units, providing stable emergency power and helping protect sensitive electronics, network gear, NAS systems, and small servers. It’s also well suited for use in emergency power applications and battery-powered tools that require a reliable 12V source with strong discharge capability. Technically tested to meet or exceed OEM specifications, these batteries deliver the performance needed for critical power events.

Note: You must reuse all existing cables and hardware from your original configuration to connect these replacement batteries. Our expert team tests every unit to ensure consistent quality and performance. For assistance, contact customer service at .

Ready to upgrade your APC BACK-UPS RS BR800 power system with a long-lasting battery solution? Order this replacement UPS battery set today and enjoy reliable backup power with fast shipping on in-stock items.

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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