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-12867

Sonnenschein A512/24G5 High Performance Replacement Battery 18.1 lb

23% off
Sale price $111.99 USD Regular price $145.99
Shipping calculated at checkout.
Absorbent Glass Mat (AGM) technology for enhanced durability and performance
Maintenance-free design eliminates the need for constant upkeep
Spill-proof construction ensures safe and reliable use in any orientation
U.L. recognized and CE certified for guaranteed safety and quality
1-year warranty with brand new, factory fresh battery for peace of mind
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 | 26 Ah

Terminal Type

Nut & Bolt

Sonnenschein A512/24G5 Replacement Battery — Compatible with Sonnenschein A512/24G5

Restore reliable backup power with this Sonnenschein A512/24G5 replacement battery, designed for full compatibility with your Sonnenschein A512/24G5 emergency lighting and alarm systems. Combining AGM technology and a maintenance-free, spill proof design, this high-performance battery provides consistent, worry-free power for critical applications and everyday support devices.

Key Specifications

  • Model Compatibility: Sonnenschein A512/24G5
  • Technology: Absorbent Glass Mat (AGM) Technology
  • Design: Maintenance-Free Design
  • Construction: Spill Proof Construction
  • Safety Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Brand: SigmasTek
  • Voltage: 12 Volts
  • Capacity: 26 Ah
  • Terminal Type: Nut & Bolt

Benefits

This replacement battery emphasizes long service life and dependable output. AGM construction reduces internal resistance and enhances charge acceptance, delivering robust performance across repeated cycles. Its maintenance-free and spill proof attributes allow safe, low-maintenance installation in racks, enclosures, or vertical orientations without the risk of leakage.

As a high-performance battery, the Sonnenschein A512/24G5 replacement is ideal for emergency power roles and systems that require reliable standby energy. It’s a long-lasting battery solution for emergency lighting, fire and security alarms, and medical equipment where failure is not an option. The nut & bolt terminals give technicians secure, reliable connections to support sustained current draw.

Whether used in UPS systems, emergency power installations, or mobile and stationary tools that require steady power, this unit provides the safety credentials (U.L. and CE) and build quality needed for professional environments. SigmasTek’s brand new, factory fresh condition and included 1 year warranty provide additional assurance of quality and performance.

Ready to upgrade to a dependable replacement battery for your Sonnenschein A512/24G5? Purchase now to ensure fast, reliable backup power and peace of mind. Order today and secure your system’s protection.

Technical Specifications

Voltage12 Volts
Amp Hours26 Ah
Terminal TypeNut & Bolt
Length (in.)6.56
Width (in.)6.97
Height (in.)4.92
Weight (lb.)18.08

Product Highlights

  • Brand Replacement : Sonnenschein A512/24G5 Battery
  • Manufacturer: SigmasTek
  • Product Type: Emergency Power
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Bancontact
  • 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.