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SigmasTek  |  SKU: BW-1867

UPS12-35 UPS High Performance Compatible Replacement Battery Set - 2 49.45 lb

23% off
New arrival
Sale price $245.99 USD Regular price $317.99
Shipping calculated at checkout.
Contains 2 brand new SigmasTek UPS12-35 batteries (12V 35 AH)
High rate discharge design delivers strong power output for UPS units
Valve regulated, spill-proof for safe, maintenance-free use
Low self-discharge and vibration resistance for extended reliability
UL recognized, CE certified, with 1 year warranty included
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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.

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🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.


Volts & Amps

12 Volts | 35 AH

Terminal Type

Nut & Bolt

SigmasTek UPS12-35 (NB) Replacement Battery Set — Compatible with UPS12-35 (NB)

Ensure uninterrupted operation with this SigmasTek UPS12-35 (NB) replacement UPS battery set, crafted for superior compatibility, consistent output, and dependable performance. Designed to meet the needs of medium- to high-capacity UPS systems, this set provides a high-performance UPS battery solution for facilities and devices that require robust backup power and reliable emergency support.

Key Specifications

  • Brand: SigmasTek
  • Model: UPS12-35 (NB)
  • Voltage: 12 Volts
  • Capacity: 35 AH
  • Quantity: 2 batteries per set
  • Terminal Type: Nut & Bolt
  • Design: High Rate Discharge Design
  • Construction: Valve Regulated Spill Proof Construction
  • Features: Low Self-discharge, High Vibration Resistance
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty

Benefits

This replacement UPS battery pack delivers dependable performance and long service life thanks to its robust design and quality construction. The high rate discharge capability makes this pack suitable for UPS units that demand rapid power delivery for short intervals, while the valve regulated, spill-proof build provides a safer, low-maintenance solution. Low self-discharge means the batteries retain charge during infrequent use or storage, and high vibration resistance ensures stability in environments exposed to motion or mechanical disturbance.

As a long-lasting battery choice, the SigmasTek UPS12-35 (NB) offers consistent power for critical applications such as data center UPS systems, emergency power supplies, telecom equipment, and heavy-duty battery-powered tools. Technically tested to meet or exceed OEM expectations, these batteries give administrators and technicians confidence in performance and lifecycle.

The Nut & Bolt terminals provide secure, high-current connections that are preferred in higher-capacity installations, making installation straightforward when using existing cables and hardware from your original setup. With U.L. and CE recognition, this high-performance UPS battery is suitable for professional deployments that require certified components.

Order your SigmasTek UPS12-35 (NB) replacement UPS battery set today to secure reliable backup power. Enjoy a proven, long-lasting battery solution with fast shipping on in-stock items and a 1 year warranty for added peace of mind.

Technical Specifications

Voltage12 Volts
Amp Hours35 AH
Terminal TypeNut & Bolt
Length (in.)7.72
Width (in.)5.14
Height (in.)6.22
Weight (lb.)49.4

Product Highlights

  • Brand Replacement : UPS12-35 UPS
  • Manufacturer: SigmasTek
  • Product Type: UPS Batteries
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

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