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-6269

ADI / Ademco Vista 21iP Compatible Alarm Replacement Battery 3.5 lb

23% off
Sale price $29.99 USD Regular price $38.99
Shipping calculated at checkout.
Meets or exceeds original OEM specifications for reliable performance
Valve regulated spill-proof construction for safety and durability
U.L. recognized and CE certified for quality assurance
Rugged plastic case protects battery from damage
Includes 1 year warranty 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 | 5 AH

Terminal Type

F1

ADI / Ademco Vista 21iP Replacement Battery — Compatible with Vista 21iP (SP12-5)

Keep your Vista 21iP alarm panel operating at peak readiness with this ADI / Ademco Vista 21iP replacement battery. The SP12-5 (12 V 5 AH) unit is a reliable, high-performance battery that matches OEM specifications for compatibility and standby performance. Perfect for routine maintenance or emergency swaps, this replacement battery ensures your security system remains powered during outages and critical events.

Key Specifications

  • Model: SP12-5 (12 V 5 AH)
  • Voltage: 12 Volts
  • Capacity: 5 AH
  • Construction: Valve Regulated Spill Proof Construction
  • Certifications: U.L. Recognized and CE Certified
  • Performance: Superior Performance Guaranteed
  • Case: Rugged Plastic Case And Cover
  • Condition: Brand New, Factory Fresh
  • Includes: 1 battery - SP12-5 (12 V 5 AH)
  • Warranty: 1 Year Warranty
  • Brand: SigmasTek

Benefits

This Vista 21iP replacement battery delivers longevity and reliable discharge behavior expected from a premium alarm backup battery. Its valve-regulated spill-proof design reduces the chance of leaks and simplifies in-field handling. The rugged housing and factory-new condition ensure you receive a long-lasting battery able to withstand routine installation and service cycles.

As a high-performance battery, the SP12-5 maintains stable voltage and recovers quickly after charge, helping to keep alarm panels, sensors, and communication modules functional during loss of mains power. Certified to U.L. and CE standards and backed by a one-year warranty, this unit represents a dependable replacement for professional installers and DIY users alike.

Use this replacement battery in access control systems, home alarm systems, burglar alarm systems, and other security system configurations. It is also well-suited for small UPS units, emergency power modules, and portable tools that require a dependable 12V power source. The SP12-5 provides flexibility for a wide range of low-voltage backup tasks, making it an excellent choice for preventive maintenance and emergency readiness.

Secure your system today — order the ADI / Ademco Vista 21iP SP12-5 replacement battery for a high-performance, long-lasting battery solution that ships quickly and installs easily.

Technical Specifications

Voltage12 Volts
Amp Hours5 AH
Terminal TypeF1
Length (in.)3.54
Width (in.)2.76
Height (in.)3.98
Weight (lb.)3.5

Product Highlights

  • Brand Replacement : ADI / Ademco
  • Manufacturer: SigmasTek
  • Product Type: Security Alarm
  • 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.