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-13493

Universal Power UB1208 (45789) High Performance Replacement Battery 1.65 lb

16% off
Sale price $30.99 USD Regular price $36.99
Shipping calculated at checkout.
Compact size: 3.78 x 0.98 x 2.44 inches for easy installation
Compatible 12-volt power supply for versatile use
0.8 Ah capacity ensures reliable performance
Lightweight design at 1.65 lbs for convenient handling
Universal Power brand replacement for trusted quality
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.

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.


Volts & Amps

12 Volts | 0.8 Ah

Terminal Type

Special Connector

Universal Power UB1208 (45789) Replacement Battery — Compatible with SigmasTek

Designed for dependable power when you need it most, the Universal Power UB1208 (45789) replacement battery delivers reliable compatibility with SigmasTek devices. This compact 12 Volt, 0.8 Ah battery is engineered to provide steady performance and dependable uptime across a range of small UPS systems, alarm panels, handheld instruments, and emergency devices. If you’re searching for a high-performance battery that fits the form factor and power requirements of your SigmasTek equipment, this long-lasting battery is an ideal choice.

Key Specifications

  • Manufacturer: SigmasTek
  • Brand Replacement: Universal Power
  • Model: UB1208 (45789)
  • Voltage: 12 Volts
  • Amp Hours: 0.8 Ah
  • Length: 3.78 in.
  • Width: 0.98 in.
  • Height: 2.44 in.
  • Weight: 1.65 lb.

Benefits

The Universal Power UB1208 (45789) replacement battery combines compact dimensions with robust construction to deliver a high-performance battery solution for small form-factor power needs. Built for durability, this battery offers consistent output across charge cycles so your SigmasTek-compatible equipment remains operational when it matters. Its 0.8 Ah capacity provides sufficient energy for standby power in UPS units, emergency lighting, security systems, small medical devices, and portable test tools.

Because it’s designed as a direct replacement, installation is straightforward, minimizing downtime and maintenance. The UB1208 (45789) is a long-lasting battery option for technicians and end users who require dependable reserve power. Expect improved reliability over worn-out factory batteries and predictable behavior in cyclic or standby applications. Use this replacement battery in UPS backups, emergency power modules, alarm systems, instrumentation, and other small electronic devices.

Choosing a high-performance battery like the Universal Power UB1208 (45789) means fewer battery swaps and more uptime for critical systems. The compact size makes it an excellent fit where space is limited without sacrificing quality or output.

Ready to upgrade your power reliability? Add the Universal Power UB1208 (45789) replacement battery to your cart now for fast, dependable performance with your SigmasTek equipment.

Technical Specifications

Voltage12 Volts
Amp Hours0.8 Ah
Terminal TypeSpecial Connector
Length (in.)3.78
Width (in.)0.98
Height (in.)2.44
Weight (lb.)1.65

Product Highlights

  • Brand Replacement : Universal Power UB1208
  • Manufacturer: SigmasTek
  • Product Type: SLA Batteries
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • 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.