Silent Knight S122 High Performance Replacement Battery 3.5 lb
— Ready to ship immediately
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.
Silent Knight S122 High Performance Replacement Battery is backordered and will ship as soon as it is back in stock.
Let customers speak for us
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
✉ sales@batteryweb.com
Battery Care Tips
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
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
⚠️ 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 | 5.5 Ah
Terminal Type
F2
Silent Knight S122 Replacement Battery — Compatible Silent Knight S122
The Silent Knight S122 replacement battery combines perfect compatibility with consistent, dependable power. Designed to meet or exceed OEM SLA battery specifications, this replacement battery offers maintenance-free performance, reliability under load, and trusted safety certifications. If you need a high-performance battery for emergency lighting or security systems, the Silent Knight S122 is a long-lasting battery option designed to keep critical systems operational when it matters most.
Key Specifications
- Model: Silent Knight S122 (Replacement)
- Brand: SigmasTek
- Voltage: 12 Volts
- Capacity: 5.5 Ah
- Terminal Type: F2
- Technology: Absorbent Glass Mat (AGM) Technology
- Design: Maintenance-Free, Spill Proof Construction
- Certifications: U.L. Recognized and CE Certified
- Condition: Brand New, Factory Fresh
- Warranty: 1 Year Warranty
- Compliance: Meets or exceeds OEM SLA battery specifications
Benefits
- Robust Durability: AGM technology and spill-proof construction make this replacement battery durable in transit and in service, minimizing the chance of failure due to vibration or handling.
- Extended Service Life: Manufactured for longevity, this long-lasting battery supports repeated charge cycles while maintaining capacity — ideal for systems that demand long-term reliability.
- Reliable High Performance: Deliver steady current for emergency lighting, fire systems, and alarm panels. As a high-performance battery, it maintains output under load to ensure your systems stay active during outages.
- Low Maintenance: The maintenance-free design reduces operational overhead — no electrolyte topping or regular checks required.
- Wide Use Cases: Perfect for emergency lighting, security alarms, fire alarms, medical equipment, consumer electronics, and home & garden applications. Also suitable for UPS backups, emergency power tasks, and portable tools demanding 12V power.
- Direct Fit Replacement: Guaranteed 100% compatibility with the Silent Knight S122 model for quick swap-in replacement without compromise.
Replace your aging battery with this reliable Silent Knight S122 replacement battery now. Purchase a factory-fresh, certified, high-performance battery backed by a 1 year warranty and restore dependable power to your systems today.
Technical Specifications
Product Highlights
- Brand Replacement : Silent Knight S122
- Manufacturer: SigmasTek
- Product Type: Emergency Power
- Warranty: 12 Months
- Bulk Orders: sales@batteryweb.com
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
