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SigmasTek  |  SKU: BW-5067

Elgar SPF1100 UPS High Performance Compatible Replacement Battery Set 50.64 lb

16% off
New arrival
$216.99 USD $258.99
Shipping calculated at checkout.
Includes 4 factory fresh SigmasTek SP12-18HR batteries (12V 18AH)
Designed for high rate discharge to handle UPS power demands
Spill-proof valve regulated design prevents leaks and hazards
High vibration resistance for durability in tough environments
Backed by 1-year warranty and OEM-level quality assurance
In stock

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Let customers speak for us

from 22 reviews

WORKS GREAT!

Anonymous

Fast shipping and fair pricing. I will look to you for future battery purchases.

Anonymous

It's hard to rate a battery until some time has passed and it either continues functioning as it should of "gives up the ghost." It was not a straight bolt in application. The positive terminal was different than the stock battery and the positive lead from the motorcycle had to be bent in order to attach it to the battery. Otherwise, if the battery gives long service I have no complaints.

Anonymous

Shopping with you is a bit difficult; I had to type in a few words differently before I could find the battery's I was looking for.

Laura J

Excellent Product, timely delivery, love the extra battery life. Would recommend. rk

Robin Keister

Very easy to buy, high confidence that it was legit company. Reviews were good. Price, in the ball park. We'll see when I get battery.

Rob

Thank you for supplying the battery that I wanted. It arrived today in good order. Its specifications are as advertised and after charging, performs as expected.
Thank you for your professional approach to the payment method.
Regards Roy VK4ZQ.

Roy O'Malley

It worked

Mel Light

Finally found a battery that is similar in function to original equipment.

Anonymous

I'm writing this review to express my deep gratitude and appreciation for the quality of services provided to me by the BatteryWeb service team. I visited BatteryWeb to purchase a replacement battery for my Remington R9 razor. The staff was very responsive and I was really impressed with their willingness to help me and make the purchasing process as quick as possible. In particular I greatly appreciate the work of staff member Shane who was friendly and helpful.
In conclusion, I believe that BatteryWeb has excellent service staff who make their customers feel honored and valued.
I wish you all the best.
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Michael Talianker

this battery was just what I needed.

Robert Jones

Product is exactly as described and arrived quickly

Robert Jones

Great deal for the money.

Linda M.

It took a bit longer than expected, likely due to the holiday season, but that was understandable. So far, the battery seems to be working well!

Linda M.

Easy to purchase

Alberto J.

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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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🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.

Category

UPS Batteries

Brand Replacement

SigmasTek

Volts & Amps

12 Volts | 18 Ah

Terminal Type

Nut & Bolt

Replacement Battery Set for Elgar SPF1100 UPS — SigmasTek SP12-18HR (12V 18Ah)

Restore reliable backup power to your Elgar SPF1100 with this premium replacement UPS battery set. The four SigmasTek SP12-18HR batteries (12 Volts, 18 AH) are built for strong performance in high rate discharge UPS applications. These brand new, factory-fresh cells deliver dependable operation, low self-discharge, and excellent vibration resistance. Important: retain and use all original cables and hardware to connect the new batteries.

Key Specifications

  • Compatible UPS Model: Elgar SPF1100
  • Battery Model: SigmasTek SP12-18HR
  • Voltage: 12 Volts
  • Capacity: 18 AH
  • Quantity: Set of 4 batteries
  • Terminal Type: Nut & Bolt
  • Design: High Rate Discharge Design
  • Construction: Valve Regulated Spill Proof Construction
  • Features: Low Self-discharge
  • Durability: High Vibration Resistance
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty

Benefits

  • Reliable Durability — Valve-regulated, spill-proof design and high vibration resistance make these batteries tough enough for rack-mounted and portable UPS environments.
  • Extended Service Life — Low self-discharge and factory-fresh construction help deliver a long-lasting battery solution that maintains charge and readiness over time.
  • High-Performance Output — Designed for high rate discharge, this high-performance UPS battery set supplies the surge current needed for brief, high-demand intervals common in UPS and emergency power use cases.
  • Quality Assured — Each battery set is tested to ensure it meets or exceeds OEM expectations, giving you a trustworthy replacement for the Elgar SPF1100.
  • Multiple Applications — Ideal for UPS units, emergency power systems, and battery-powered tools where dependable, concentrated power output is necessary.
  • Straightforward Installation — Supplied as a complete 4-pack to match your original battery configuration; simply reuse the existing cables and hardware.

Don’t risk downtime—order your replacement batteries for the Elgar SPF1100 today. This long-lasting battery set ships quickly and provides the high-performance UPS battery solution you need to protect critical equipment. Purchase now to secure fast delivery and peace of mind.

Technical Specifications

Voltage12 Volts
Amp Hours18 Ah
Terminal TypeNut & Bolt
Length (in.)7.13
Width (in.)3.0
Height (in.)6.59
Weight (lb.)50.6

Product Highlights

  • Brand Replacement : Elgar SPF1100
  • Manufacturer: SigmasTek
  • Product Type: UPS Batteries
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

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