Welcome to our store. Your trusted source for batteries and power solutions. Learn more

For support or quotes: sales@batteryweb.com
WELCOME5
SigmasTek  |  SKU: BW-4405

Para Systems Minuteman E 1100i UPS High Performance Replacement Battery Set 14.01 lb

25% off
New arrival
$70.99 USD $94.99
Shipping calculated at checkout.
Includes 4 new SigmasTek SP12-5.5HR batteries (12V 5.5AH) for Para Systems Minuteman E 1100i
High rate discharge design supports critical UPS power needs
Valve regulated and spill-proof for safe, maintenance-free use
Low self-discharge keeps batteries ready for emergency use
Certified for safety and performance with 1 year warranty
In stock

— Ready to ship immediately
Free shipping
Visa Mastercard American Express PayPal Apple Pay Google Pay Shop Pay Discover Klarna Afterpay Stripe
✦

Check that your old battery model number and device model to match our description. This makes sure they work together.

✦

We ship your order same day if you buy it before 4 PM EST.

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.
Sincerely,
Michael

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.

Send Your Battery Photo

Expert Technician Help

Snap a photo or video of your battery and send it to us. We'll identify the exact replacement—fast and hassle-free. Our team has helped thousands of customers find the right battery quickly and easily.

POST YOUR BATTERY IMAGE
Product & Solutions Expert

Product & Solutions Expert

✉ sales@batteryweb.com

🔹 10+ Years Battery Experience 🔹 Fast & Accurate Identification

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

🔹 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.

Disclaimer

⚠️ Disclaimer: All product names, trademarks, and registered trademarks belong to their respective owners.

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

Category

UPS Batteries

Brand Replacement

SigmasTek

Volts & Amps

12 Volts | 5.5 Ah

Terminal Type

F2

Replacement Battery Set for Para Systems Minuteman E 1100i — Compatible with Para Systems Minuteman E 1100i UPS

Restore dependable backup power to your Para Systems Minuteman E 1100i with this purpose-built replacement UPS battery set. Engineered for compatibility and tested to meet OEM expectations, this pack supplies the high-rate discharge performance and certified safety features needed for reliable emergency power. If your Minuteman E 1100i is due for battery replacement, this long-lasting battery solution returns your UPS to optimal protection quickly and affordably.

Key Specifications

  • Includes: 4 x SigmasTek SP12-5.5HR batteries
  • Voltage: 12 Volts
  • Capacity: 5.5 AH
  • Design: High Rate Discharge Design
  • Construction: Valve Regulated Spill Proof
  • Self-discharge: Low Self-discharge
  • Durability: High Vibration Resistance
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Compatibility: Replacement for Para Systems Minuteman E 1100i UPS units (use existing cables and hardware)

Benefits

  • Reliable construction: Valve regulated, spill-proof design minimizes maintenance while offering robust performance in UPS applications.
  • Long-lasting battery life: Low self-discharge and quality manufacturing ensure readiness and extended service life for emergency backup power.
  • High-performance delivery: Designed for high rate discharge, this pack supplies the extra short-term current required for equipment protection during brief, high-load events.
  • Safety assurance: U.L. recognition and CE certification provide confidence when deploying these batteries in critical systems.
  • Versatile use cases: Well suited for uninterruptible power supply (UPS) units like the Minuteman E 1100i, emergency power supplies, and battery-powered tools.
  • OEM-level testing: Each battery set is personally tested by technical staff to ensure it meets or exceeds the original equipment specifications.
  • Installation guidance: The kit is designed to be installed using your Minuteman E 1100i’s existing cables and hardware—no special adapters necessary.

Don’t wait until your Minuteman E 1100i battery fails—order this replacement UPS battery pack now to secure dependable, long-lasting power protection. Our customer service team is available at to assist with questions. Purchase today to receive fast shipping on in-stock items and a 1 year warranty for peace of mind.

Technical Specifications

Voltage12 Volts
Amp Hours5.5 Ah
Terminal TypeF2
Length (in.)3.54
Width (in.)2.76
Height (in.)3.98
Weight (lb.)14.0

Product Highlights

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

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Bancontact
  • Bizum
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • MB WAY
  • PayPal
  • Shop Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Our Collections