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SigmasTek  |  SKU: BW-5049

ONEAC ON2200XA-SNK UPS High Performance Replacement Battery Set 50.64 lb

16% off
New arrival
$216.99 USD $258.99
Shipping calculated at checkout.
Set of 4 factory fresh SigmasTek SP12-18HR batteries (12V 18AH)
Designed for high rate discharge UPS applications requiring extra power
Valve regulated and spill-proof for safe, maintenance-free use
High vibration resistance for durability in demanding environments
Certified safety standards and 1-year warranty included
In stock

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

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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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🔹 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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🔹 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 ONEAC ON2200XA-SNK (4 SigmasTek SP12-18HR)

Restore full backup capability to your ONEAC ON2200XA-SNK with this compatible replacement battery set designed for performance and dependability. This kit contains four SigmasTek SP12-18HR batteries (12 Volts, 18 AH) tailored for high-rate discharge UPS applications. Choose this replacement UPS battery set to ensure reliable runtime and consistent power for your critical loads.

Key Specifications

  • Included Batteries: 4 x SigmasTek SP12-18HR
  • Voltage: 12 Volts (each)
  • Capacity: 18 AH (amp-hours) (each)
  • Terminal Type: Nut & Bolt
  • 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
  • Installation Note: Requires reuse of existing cables and hardware from original configuration
  • Brand: SigmasTek
  • Compatible UPS Model: ONEAC ON2200XA-SNK

Benefits

  • Robust construction — Valve-regulated, spill-proof cells with high vibration resistance deliver reliable operation in environments that expose equipment to physical stress.
  • Long-lasting battery life — Low self-discharge and factory-fresh condition mean these batteries retain capacity until installation, providing a long-lasting battery solution for your UPS.
  • High-performance delivery — Designed for high rate discharge applications, these batteries deliver the necessary burst power for short-duration, high-demand events, classifying them as a true high-performance UPS battery.
  • Broad application — Perfect for Uninterruptible Power Supply (UPS) units, emergency power supply systems, and battery-powered tools requiring dependable backup energy.
  • Quality assurance — Each replacement UPS battery is tested by our technical team to ensure it meets or exceeds OEM specifications for the ONEAC ON2200XA-SNK, giving you confidence in performance and fit.

Don’t compromise on backup power—order this replacement UPS battery set for the ONEAC ON2200XA-SNK today. Fast shipping on in-stock items and a 1 year warranty provide peace of mind. Click to buy and restore dependable power now.

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 : ONEAC ON2200XA-SNK
  • Manufacturer: SigmasTek
  • Product Type: UPS Batteries
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

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