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SigmasTek  |  SKU: BW-4749

APC ES BACK-UPS BF500-UK UPS Compatible Replacement Battery 3.5 lb

14% off
New arrival
Sale price $29.99 USD Regular price $34.99
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High rate discharge design for powerful short-term output
Valve regulated spill proof construction for safe, maintenance-free use
Low self-discharge extends shelf life and readiness
High vibration resistance for durability in demanding environments
U.L. recognized and CE certified for guaranteed safety and quality
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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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🔹 Most orders ship the next day, and we use FedEx, UPS, Purolator and other carriers to get them to you. Lithium batteries have to ship by ground only, not air or USPS. Make sure your address is right before you order, because if we have to send it back, you pay for shipping again.

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Volts & Amps

12 Volts | 5.5 Ah

Terminal Type

F2

SigmasTek SP12-5.5HR Replacement for APC ES BACK-UPS BF500-UK

Replace the worn battery in your APC ES BACK-UPS BF500-UK with the SigmasTek SP12-5.5HR replacement UPS battery to regain dependable backup performance. This 12 Volt, 5.5 AH battery is crafted for compatibility and reliable high-rate discharge performance—perfect for UPS units that need assured short-term power delivery. Installation requires use of your existing cables and hardware from the original battery pack.

Key Specifications

  • Brand: SigmasTek
  • Model: SP12-5.5HR
  • Voltage: 12 Volts
  • Capacity: 5.5 AH
  • 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
  • Terminal: F2
  • Warranty: 1 Year Warranty
  • Compatible UPS Model: APC ES BACK-UPS BF500-UK

Benefits

Designed with durability in mind, this replacement UPS battery provides reliable service life and consistent output. The valve-regulated, spill-proof design reduces maintenance and enhances safety, while low self-discharge ensures the battery remains ready for use after storage. High vibration resistance improves resilience in mobile or industrial environments.

As a high-performance UPS battery, the SP12-5.5HR supplies the immediate power bursts your APC ES BACK-UPS BF500-UK requires during power disturbances. It’s ideal for protecting home networking equipment, desktop systems, small office electronics, and other devices that need a dependable emergency power source. It’s also suitable for battery-powered tools where short-duration high output is required.

Each battery is factory-tested to meet or exceed OEM performance expectations, and the included one-year warranty protects against defects. This replacement offers a cost-effective solution to restore runtime and reliability to your UPS system.

Don’t risk downtime—order this SigmasTek SP12-5.5HR replacement UPS battery for your APC ES BACK-UPS BF500-UK today and secure a long-lasting battery that restores dependable backup power. Purchase now.

Technical Specifications

Voltage12 Volts
Amp Hours5.5 Ah
Terminal TypeF2
Length (in.)3.54
Width (in.)2.76
Height (in.)3.98
Weight (lb.)3.5

Product Highlights

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

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