National Battery NB12-26F2 Long Life Replacement 18.1 lb
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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 NB12-26F2 Long Life Replacement is backordered and will ship as soon as it is back in stock.
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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 | 26 Ah
Terminal Type
F2
National Battery NB12-26F2 Replacement Battery — Compatible with National Battery NB12-26F2
Replace your aging battery with the National Battery NB12-26F2 replacement battery for guaranteed compatibility, dependable performance, and reliable uptime. This high-performance battery is manufactured to meet or exceed OEM SLA specifications, delivering the consistent power required for backup systems, emergency applications, and portable devices. With maintenance-free operation and AGM technology, the NB12-26F2 is built to perform when it counts.
Key Specifications
- Model: NB12-26F2
- Compatible Model: National Battery NB12-26F2
- Chemistry: Rechargeable Sealed Lead Acid (SLA)
- Technology: Absorbent Glass Mat (AGM) Technology
- Voltage: 12 Volts
- Capacity: 26 Ah
- Terminal Type: F2
- Design: Maintenance-Free with Spill Proof Construction
- Certifications: U.L. Recognized and CE Certified
- Condition: Brand New, Factory Fresh
- Warranty: 1 Year Warranty
- Replacement Brand / Supplier Tag: SigmasTek
Benefits
The NB12-26F2 takes advantage of AGM design to provide excellent charge acceptance, low internal resistance, and reliable performance over many cycles. As a long-lasting battery option, it minimizes downtime and replacement frequency, making it cost-effective for both residential and commercial installations. Its sealed, maintenance-free nature reduces user maintenance while ensuring safe, spill-proof operation.
- Durability: AGM construction resists leaks and damage from vibration, improving reliability in mobile or harsh settings.
- Long Life: Designed for prolonged service life across repeated charge and discharge cycles.
- High Performance: Consistent 12V/26Ah output supports a broad range of equipment loads.
- Safety & Compliance: U.L. Recognized and CE Certified for trustworthy, standards-compliant use.
- Typical Applications: Suited for uninterruptible power supplies (UPS), emergency lighting, security and alarm systems, medical devices, telecom, and power tools.
Choose the National Battery NB12-26F2 replacement battery when you need a reliable, high-performance battery that delivers long-lasting power and industry-standard safety certifications. Its factory-fresh condition and 1 year warranty provide added assurance.
Order the NB12-26F2 replacement battery now to secure dependable backup power for your critical systems.
Technical Specifications
Product Highlights
- Brand Replacement : National Battery NB12-26F2
- Manufacturer: SigmasTek
- Product Type: SLA Batteries
- Warranty: 12 Months
- Bulk Orders: sales@batteryweb.com
Payment & Security
Payment methods
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