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SigmasTek  |  SKU: BW-5225

ONEAC ON1300AU-SN UPS High Performance Compatible Replacement Battery Set 25.32 lb

19% off
New arrival
$113.99 USD $140.99
Shipping calculated at checkout.
Includes 2 SigmasTek SP12-18HR batteries (12V 18AH) for ONEAC ON1300AU-SN UPS
High rate discharge design for efficient UPS operation
Valve regulated, spill-proof to prevent leaks and maintenance
Low self-discharge and high vibration resistance for durability
Factory fresh, U.L. recognized, CE certified with 1-year warranty
In stock

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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

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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 SigmasTek SP12-18HR Battery Set for ONEAC ON1300AU-SN

Keep your ONEAC ON1300AU-SN UPS ready for any outage with this high-quality replacement UPS battery set. These SigmasTek batteries are engineered for high rate discharge performance, tested for quality, and delivered brand new to ensure reliable backup power when you need it most. Ideal for applications that demand fast response and consistent output, this kit is a smart choice for maintaining your UPS system’s dependability.

Key Specifications

  • Compatible UPS model: ONEAC ON1300AU-SN
  • Included quantity: 2 batteries (battery set)
  • Battery model: SigmasTek SP12-18HR
  • Voltage: 12 Volts
  • Capacity: 18 AH (amp-hours)
  • Terminal type: Nut & Bolt
  • 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
  • Warranty: 1 Year Warranty
  • Installation note: Use all existing cables and hardware from the original configuration to connect the new UPS batteries

Benefits

  • Built to last: Valve regulated, spill proof construction and high vibration resistance provide dependable service life in typical UPS environments.
  • Maintains readiness: Low self-discharge chemistry helps keep the batteries charged longer when not in active use—delivering the expected long-lasting battery performance.
  • Strong power delivery: The high rate discharge design supplies the sudden power bursts your ONEAC ON1300AU-SN may require, qualifying this as a high-performance UPS battery choice.
  • Certified and safe: U.L. recognition and CE certification confirm adherence to established safety standards.
  • Multiple uses: Suitable for Uninterruptible Power Supply (UPS) units, emergency power supply systems, and battery powered tools where dependable short-term power is essential.
  • Tested replacement: Technically tested to meet or exceed OEM specifications so your ONEAC ON1300AU-SN continues to protect your equipment effectively.

Upgrade your ONEAC ON1300AU-SN now—order the SigmasTek SP12-18HR replacement UPS battery set for quick delivery and a 1 year warranty. Buy today and ensure reliable backup power whenever you need it.

Technical Specifications

Voltage12 Volts
Amp Hours18 Ah
Terminal TypeNut & Bolt
Length (in.)7.13
Width (in.)3.0
Height (in.)6.59
Weight (lb.)25.3

Product Highlights

  • Brand Replacement : ONEAC ON1300AU-SN
  • Manufacturer: SigmasTek
  • Product Type: UPS Batteries
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

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