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-16587

Enersys NPG18-12 High Performance Compatible Replacement Battery 12.66 lb

19% off
Sale price $55.99 USD Regular price $68.99
Shipping calculated at checkout.
Absorbent Glass Mat (AGM) technology for enhanced durability
Maintenance-free and spill-proof design for worry-free use
U.L. recognized and CE certified for safety and quality assurance
Brand new, factory fresh to ensure peak performance
Backed by a 1-year warranty for reliable support
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 | 18 Ah

Terminal Type

Nut & Bolt

Enersys NPG18-12 (Compatible with Enersys NPG18-12)

Specifically designed to be compatible with the Enersys NPG18-12 model, this replacement battery combines reliable construction with AGM performance for consistent, long-term operation. The maintenance-free, spill-proof design and factory-fresh condition make this unit an ideal high-performance battery for backup systems and critical applications where dependable power is essential.

Key Specifications

  • Model: Enersys NPG18-12
  • Brand: SigmasTek
  • Voltage: 12 Volts
  • Capacity: 18 Ah
  • Terminal Type: Nut & Bolt
  • Technology: Absorbent Glass Mat (AGM) Technology
  • Design: Maintenance-Free Design with Spill Proof Construction
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty

Benefits

This replacement battery is a long-lasting battery solution that meets or exceeds OEM SLA standards, offering reliable energy delivery and enhanced durability. The AGM technology increases resistance to shocks and vibrations while improving charge acceptance for faster recharge cycles and dependable discharge performance.

Maintenance-free and spill-proof design minimizes upkeep and enables flexible installation options, while U.L. recognition and CE certification reflect the product’s compliance with industry safety and quality standards. This high-performance battery is particularly suited for uninterruptible power supplies (UPS), emergency power systems, alarm and security equipment, and other mission-critical devices requiring consistent power.

Nut & bolt terminals ensure secure connections that are ideal for both permanent and serviceable installations. Since the unit ships brand new and factory fresh, you can expect optimal performance immediately, and the included 1 Year Warranty adds protection and peace of mind.

Ready to upgrade? Purchase the Enersys NPG18-12 replacement battery now to secure a dependable, high-performance replacement battery for your equipment. Order today to ensure uninterrupted power and lasting reliability.

Technical Specifications

Voltage12 Volts
Amp Hours18 Ah
Terminal TypeNut & Bolt
Length (in.)7.13
Width (in.)3.0
Height (in.)6.59
Weight (lb.)12.65

Product Highlights

  • Brand Replacement : Enersys NPG18-12 Battery
  • Manufacturer: SigmasTek
  • Product Type: SLA Batteries
  • 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.