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SigmasTek  |  SKU: BW-11594

LightAlarms U8 Compatible Replacement Battery 1.59 lb

21% off
New arrival
$21.99 USD $27.99
Shipping calculated at checkout.
Meets or exceeds OEM SLA battery specifications for LightAlarms U8
Absorbent Glass Mat (AGM) technology for enhanced performance
Maintenance-free and spill-proof design for safety and convenience
U.L. Recognized and CE Certified for quality assurance
Includes a 1-year warranty and is factory fresh for reliable use
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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.
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.

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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

Emergency Power

Brand Replacement

SigmasTek

Volts & Amps

6 Volts | 4.5 AH

Terminal Type

F1

LightAlarms U8 Battery (Replacement) — Compatible with LightAlarms U8

The SigmasTek replacement battery for the LightAlarms U8 is optimized for reliable emergency performance, guaranteed compatibility, and consistent output. Constructed with Absorbent Glass Mat (AGM) technology and a maintenance-free, spill-proof design, this SLA replacement battery is a high-performance battery ideal for emergency lighting and backup power systems. If you're seeking a long-lasting battery solution for the LightAlarms U8, this brand new, factory-fresh unit meets or exceeds OEM expectations.

Key Specifications

  • Model Compatibility: LightAlarms U8
  • Type: Rechargeable Sealed-Lead-Acid (SLA) Emergency Lighting Battery
  • Technology: Absorbent Glass Mat (AGM)
  • Design: Maintenance-Free, Spill Proof Construction
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Brand: SigmasTek
  • Voltage: 6 Volts
  • Amp-Hours: 4.5 AH
  • Terminal Type: F1
  • Warranty: 1 Year Warranty

Benefits

Designed for durability, this replacement battery uses AGM technology to provide reliable performance across a wide range of operating conditions, delivering a long-lasting battery life and reducing the need for frequent replacements. The sealed, maintenance-free construction ensures safe, leak-proof operation and simplifies installation and upkeep.

As a high-performance battery, the SigmasTek U8 replacement maintains reliable voltage under load and supports efficient recharge cycles—critical factors for emergency lighting and backup systems that must perform consistently during power outages. U.L. Recognition and CE certification further confirm the unit’s compliance with recognized safety and quality standards.

Typical applications include emergency lighting fixtures, exit signage, uninterruptible power supplies (UPS), security and alarm backups, and other standby power uses where dependable performance is essential. This battery is an ideal direct replacement for the LightAlarms U8 and is suitable for systems requiring a 6 Volt, 4.5 AH SLA battery with F1 terminals.

Restore dependable emergency power—purchase this reliable, high-performance replacement battery for the LightAlarms U8 now and protect your lighting and safety systems with a long-lasting battery backed by a 1 year warranty.

Technical Specifications

Voltage6 Volts
Amp Hours4.5 AH
Terminal TypeF1
Length (in.)2.76
Width (in.)1.86
Height (in.)3.94
Weight (lb.)1.59

Product Highlights

  • Brand Replacement : LightAlarms U8 Battery
  • Manufacturer: SigmasTek
  • Product Type: Emergency Power
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

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