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-3322

OPTI-UPS DS10KB31 UPS Compatible Replacement Battery Set 105.09 lb

10% off
New arrival
$528.99 USD $586.99
Shipping calculated at checkout.
20 SigmasTek SP12-7.5HR batteries (12V 7.5 AH) included in set
Designed for high rate discharge UPS applications
Valve regulated and spill-proof for maintenance-free use
Low self-discharge ensures long shelf life and readiness
Factory fresh with 1-year warranty and OEM specification testing
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 | 7.5 Ah

Terminal Type

F2

SigmasTek SP12-7.5HR Replacement Battery Set for OPTI-UPS DS10KB31

Keep your OPTI-UPS DS10KB31 running at peak readiness with this professional replacement battery set. The kit includes 20 SigmasTek SP12-7.5HR batteries (12 Volts, 7.5 AH) engineered for consistent performance and reliable emergency backup. Whether you're replacing aged cells or refurbishing a UPS bank, this replacement UPS battery package delivers quality, tested components suited for high-rate discharge needs.

Key Specifications

  • Compatible UPS model: OPTI-UPS DS10KB31
  • Battery count: 20 batteries per set
  • Battery model: SigmasTek SP12-7.5HR
  • Voltage: 12 Volts
  • Capacity: 7.5 AH
  • Terminal type: F2
  • Design: High Rate Discharge Design
  • Construction: Valve Regulated Spill Proof Construction
  • 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
  • Applications: Uninterruptible Power Supply (UPS) Units, Emergency Power Supply, Battery Powered Tools

Benefits

  • Engineered for longevity: This replacement UPS battery set provides a long-lasting battery solution with low self-discharge and factory-tested cells for dependable service life in your OPTI-UPS DS10KB31.
  • High-performance delivery: With a high rate discharge design, these batteries support the high current draw necessary during power events, making them a trusted high-performance UPS battery for servers, communications, and critical loads.
  • Rugged and safe: Valve regulated, spill-proof construction combined with high vibration resistance improves durability in rack and cabinet installations; U.L. and CE certification confirm safety and quality.
  • Multi-use capability: Ideal for UPS backup, emergency power systems, and battery-powered tools where reliable short-term power is needed. Replace your old cells with confidence and restore runtime and stability.
  • Easy replacement process: Use the existing cables and hardware from your original OPTI-UPS DS10KB31 to install this 20-battery set. Our technical staff verifies each set to meet OEM expectations.

Don’t wait until a power event exposes weak batteries—purchase this SigmasTek replacement battery set for your OPTI-UPS DS10KB31 now. Call for help or order today for prompt shipping and dependable backup power.

Technical Specifications

Voltage12 Volts
Amp Hours7.5 Ah
Terminal TypeF2
Length (in.)5.95
Width (in.)2.56
Height (in.)3.7
Weight (lb.)105.0

Product Highlights

  • Brand Replacement : OPTI-UPS DS10KB31
  • 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