National Battery NB12-35IT High Performance Replacement Battery 24.72 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.
National Battery NB12-35IT 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 | 35 AH
Terminal Type
Internal Thread
National Battery NB12-35IT Battery (Replacement) — Compatible with National Battery NB12-35IT
Replace your depleted battery with a reliable National Battery NB12-35IT replacement designed to meet or exceed OEM SLA standards. This sealed lead acid (SLA) battery uses AGM technology to offer spill-proof, maintenance-free reliability and consistent output. Whether for standby power or frequent cycling, this high-performance battery ensures your National Battery NB12-35IT applications receive dependable, long-lasting power.
Key Specifications
- Model: National Battery NB12-35IT
- Battery Type: Rechargeable Sealed Lead Acid (SLA)
- Technology: Absorbent Glass Mat (AGM)
- Voltage: 12 Volts
- Capacity: 35 AH (Amp-hours)
- Terminal: Internal Thread (IT)
- Design: Maintenance-Free, Spill Proof Construction
- Certifications: U.L. Recognized and CE Certified
- Condition: Brand New, Factory Fresh
- Warranty: 1 Year Warranty
- Brand: National Battery (replacement)
Benefits
- Durability: Built with AGM technology for solid internal support and resistance to shock and vibration, enhancing life expectancy in mobile and fixed installations.
- Long Life: Optimized for steady performance over many cycles, providing a long-lasting battery option for critical and routine applications.
- High Performance: Stable voltage delivery under load ensures sensitive electronics and power systems get consistent power — a true high-performance battery choice.
- Maintenance-Free Operation: Sealed, spill-proof design eliminates the need for routine maintenance tasks and reduces downtime.
- Safety Assured: U.L. Recognized and CE Certified, guaranteeing compliance with key safety and quality standards.
- Applications: Ideal for UPS backup systems, emergency and exit lighting, alarm and security systems, medical devices, and a wide range of power tools and portable equipment.
- OEM Compatibility: Specifically matched to replace National Battery NB12-35IT units, allowing for straightforward installation and reliable performance without modification.
Ready to regain reliable power? Add this National Battery NB12-35IT replacement battery to your cart today. With factory-fresh condition, AGM construction, and a 1 Year Warranty, it’s an excellent choice for anyone seeking a long-lasting battery and consistent performance for critical applications.
Technical Specifications
Product Highlights
- Brand Replacement : National Battery NB12-35IT
- Manufacturer: SigmasTek
- Product Type: SLA Batteries
- 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.




