Industrial Battery Diagnostics & Repair Services

Mitigating Risks Through Effective Diagnosis

Batteries

Ensuring Battery Health Long-Term

Diagnosing and repairing batteries is critical to maintaining their health and ensuring optimal performance over their entire lifecycle. Proper diagnostics helps identify and address potential issues early and guides a maintenance plan to support long-term functionality. 

Comprehensive Diagnostics for Industrial Batteries

Precise diagnostics form the core of effective lifecycle management for any industrial battery, and Renewance uses proven inspection and testing methods to determine overall health and performance. Our specialists perform cell balancing checks, evaluate state-of-health data, and review electrical integrity through resistance and voltage testing. Each battery undergoes detailed data analysis collected through CAN-based tools that help identify early performance issues long before they affect operations.

Depending on customer requirements, diagnostics may be completed in the field or in a controlled lab environment to capture the most reliable results. These assessments also guide ongoing industrial battery maintenance programs that help extend service life and support safe, predictable operation.

With clear, data-driven evaluations, organizations gain a complete picture of battery condition and the insights needed to effectively plan next steps.

Repair, Refurbishment, and Recertification

We follow a structured approach to industrial battery repair that begins with pinpointing faults through targeted diagnostic testing. Once the root cause is identified, our technicians complete module-level adjustments, component replacements, and other corrective actions aligned with OEM specifications. Services such as firmware installation, voltage adjustments, insulation resistance checks, and torque verification support safe and compliant operation after repair.

Batteries are then prepared for reuse and verified through revalidation testing that confirms functional integrity before the system returns to service. This process strengthens performance and reduces avoidable downtime for customers whose equipment depends on reliable battery function. To support broader operational needs, these repair capabilities are fully integrated within our full suite of lifecycle battery solutions

How We Maintain Battery Health

Our process involves careful and strategic inspection to identify potential issues. Through accurate testing and data collection, our specialists can address any concerns that may impact performance, ensuring your battery can operate at its full potential. 

  • Incoming battery visual inspection 
  • Connection of CAN device and collection of data 
  • Internal resistance test of the battery pack 
  • Inspection of battery with cover removed 
  • Evaluation of battery cell health and recording of cell voltage data as measured with a digital multimeter 
  • DC Internal Resistance (DCIR) Testing 
  • Cell balancing 
  • Preparation for reuse 
  • Voltage adjustment according to customer requirements for matching battery pack voltage of destination vehicle 
  • Firmware installation 
  • Battery Inspections 
  • SoC maintenance and adjustment 
  • Battery module and cell balancing 
  • Air leak detection testing 
  • Insulation resistance test 
  • Residual torque checks 
  • Modifications according to OEM specifications 
  • In-vehicle diagnostics and repairs of battery system, including battery replacement 
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Why Choose Renewance for Industrial Battery Repair

Renewance provides customers with a reliable path to extending battery life while reducing operational waste and unnecessary replacement costs. By prioritizing reuse as part of a circular lifecycle approach, organizations benefit from greater sustainability and a smaller environmental footprint. Our team delivers quick turnaround supported by detailed reporting and full-service traceability through RenewanceConnect™, giving customers a clear record of every action performed on their battery assets. As an EPA-approved importer and exporter of waste with strong industry partnerships, we offer trusted expertise backed by regulatory compliance and proven safety practices.

Whether your goals involve cost reduction, performance improvement, or long-term asset stewardship, Renewance provides the specialized care required to keep your battery systems operating reliably.