Committed to Quality

Quality Policy

NDSL Inc. will deliver superior products/services to our customers that are right the first time, on-time every time, based on our customers’ requirements and needs.

By fulfilling all necessary requirements, along with continually improving our products/services/processes, we will increase customer satisfaction and our market share in the worldwide Mission-Critical Standby Backup Power Systems marketplace.

We’re proud to announce that in 2019, NDSL was awarded the International Organization for Standardization (ISO) 9001:2015 certification.

After completing a thorough review of NDSL, Inc. quality management system and processes, the Advantage International Registrar (AIR) concluded that NDSL, Inc. met the requirements and awarded certification for ISO 9001:2015.

Industry-Leading Reliability

As the first company to introduce and establish automated daily battery monitoring as an industry-standard, we have:

  • Protected critical UPS and DC power protection applications from downtime for the world’s largest mission-critical organizations and government agencies.
  • Provided high-quality, reliable battery monitoring solutions for more than 25 years.
  • Monitored over 1 million+ batteries worldwide.

Quality by Design

Thanks to a unique and comprehensive design, the Cellwatch system detects failures often months before a battery would become an operating risk. This prompt notification of a potential risk gives you peace of mind, ensuring business continuity and safeguarding company assets.

Installing a Cellwatch system can produce a rapid Return on Investment that protects your organization from a high-cost unplanned outage.

Quality Metrics

To demonstrate our commitment to quality we proudly post our quality metrics.

Click to enlarge

You can view our full Purchase Order Terms and Conditions here.


NDSL's Certifications

US, Asia

US, Asia, UK

US, Asia, UK

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