Solar Product Testing

Solar Inverter Testing, Solar Battery Testing & PV Module Testing

Trusted Solar Testing Lab in Faridabad, India - NABL Accredited & BIS Recognized

Solar Energy Testing Solutions

International Testing & Compliance (OPC) is a BIS-recognized, NABL-accredited, and IQAS-approved solar testing lab in Faridabad, India. We offer complete testing and certification services for solar photovoltaic products, covering solar inverter testing, solar battery testing, PV module testing, and solar junction box testing. As one of the leading solar testing laboratories in India, our services enable manufacturers, EPC contractors, developers, and importers to meet national and international regulatory requirements with confidence.

MNRE & BIS Approval

Mandatory testing as per MNRE specifications and BIS CRS requirements for solar inverters, PV modules, and solar storage battery systems sold in India.

Performance Testing

Power output, conversion efficiency, energy yield, and reliability measurements for solar inverters, modules, batteries, and junction boxes.

Global Standards

IEC, UL, EN, and other international standard compliance to support export certification and global market access for all solar energy products.

Solar Products We Test

Comprehensive testing solutions for all solar energy system components

PV Modules

PV Modules

  • Monocrystalline silicon modules
  • Polycrystalline silicon modules
  • Thin-film modules
  • Bifacial modules
System Components

System Components

  • Solar inverters (grid-tied & off-grid)
  • Charge controllers & MPPT units
  • Solar storage battery systems
  • Mounting structures
Balance of System

Balance of System

  • DC/AC cables & connectors
  • Solar junction boxes
  • Surge protection devices
  • Monitoring systems

Solar Inverter Testing in Faridabad

Solar inverter testing is mandatory under India's BIS Compulsory Registration Scheme (CRS). Our lab conducts comprehensive solar inverter testing as per IS 16221 (Part 1 and Part 2) for both grid-connected and off-grid photovoltaic inverters.

As a BIS-recognized solar inverter testing lab in Faridabad, ITC Lab assesses solar inverters across critical electrical, safety, and performance parameters. This includes conversion efficiency at multiple load points, total harmonic distortion, anti-islanding protection, grid synchronization behavior, and dielectric strength. Our NABL-accredited test reports are accepted for BIS CRS registration, which is required before solar inverters can be legally sold in the Indian market.

Solar Inverter Tests We Perform

  • Conversion efficiency measurement at multiple load points
  • Total Harmonic Distortion (THD) and power quality analysis
  • Anti-islanding and automatic grid disconnection protection
  • Overvoltage, undervoltage, and frequency trip verification
  • Dielectric strength and insulation resistance testing
  • Temperature rise and thermal performance evaluation
  • EMI / EMC compliance testing
  • Maximum Power Point Tracking (MPPT) efficiency
  • Standby and no-load power consumption measurement

Standards for Solar Inverter Testing

IS 16221 Part 1General requirements for utility interconnected photovoltaic inverters
IS 16221 Part 2Interface requirements for grid-connected solar inverters in India
IEC 62116Test procedure for anti-islanding protection in utility interconnected PV inverters
IEC 61683Measurement procedures for photovoltaic inverter conversion efficiency
IEC 62109-1 & 2Safety of power converters used in photovoltaic power systems

Solar Battery Testing & Solar Storage Battery Testing

Solar storage batteries are the backbone of off-grid and hybrid solar power systems. ITC Lab offers the most thorough solar battery testing in India, covering capacity, cycle life, safety, and performance under actual operating conditions - making us the preferred solar testing lab for battery manufacturers and solar system integrators.

Whether you manufacture lead-acid solar batteries, lithium-ion storage packs, or flow batteries for solar PV applications, our accredited solar battery testing services deliver precise and reliable results as per IS 16270:2023 and other applicable standards. Our testing scope covers electrochemical performance, electrical safety, and environmental durability - ensuring your product is field-ready, compliant, and bankable for project financing purposes.

Solar Battery Tests We Perform

  • Rated vs actual capacity verification testing
  • Charge and discharge cycle life assessment
  • Charge acceptance and charge retention evaluation
  • Depth of Discharge (DoD) performance testing
  • Self-discharge rate measurement over time
  • Performance at high and low operating temperatures
  • Overcharge and over-discharge protection verification
  • Short circuit and electrical abuse safety testing
  • Internal resistance and impedance spectroscopy

Battery Types & Applicable Standards

IS 16270:2023Secondary cells and batteries for solar photovoltaic applications - general requirements and test methods
IEC 62133-2:2017Safety requirements for portable sealed lithium secondary batteries for solar storage
IS 1651 / IS 1652Stationary lead-acid batteries with tubular and Planté positive plates
IEC 62619:2022Safety requirements for lithium cells and batteries used in industrial and energy storage applications

Our Testing Services

Safety & Durability Testing

  • Electrical Safety

    Dielectric strength, insulation resistance, and leakage current testing as per IEC 61730 for PV modules, and IEC 62109 for solar inverters

  • Mechanical Load

    Wind load, snow load, and hail impact testing for PV modules as per IEC 61215 to simulate long-term field exposure

  • Environmental Testing

    Temperature cycling, humidity freeze, and Potential Induced Degradation (PID) resistance testing for solar products as per IEC 62804

Performance & Reliability

  • Power Characterization

    STC and NOCT power ratings, low irradiance performance, and spectral response for PV modules as per IEC 61853

  • Energy Yield

    Performance ratio and annual energy production analysis to support bankability assessments and project financing

  • Long-term Reliability

    Accelerated aging, degradation rate analysis, and calendar life studies for PV modules, solar inverters, and solar storage batteries

Advanced Testing Capabilities

State-of-the-Art Equipment

  • AAA+ class solar simulators for accurate PV module power measurement
  • Environmental test chambers (-40°C to +85°C) for thermal cycling
  • IV curve tracers up to 1500V DC for PV module characterization
  • Electroluminescence (EL) imaging systems for cell-level defect detection
  • Salt spray and corrosion test chambers for junction box and connector testing
  • Battery cyclers for solar storage battery charge-discharge testing
  • High-accuracy power analyzers for solar inverter efficiency measurement

Accreditation Highlights

MNRE Approval

Recognized testing lab for ALMM (Approved List of Models and Manufacturers) - mandatory for solar products used in government-funded projects

NABL Accreditation

ISO/IEC 17025:2017 accredited solar testing lab ensuring traceable, reliable, and internationally accepted test results

BIS Recognition

Authorized to issue test reports for BIS CRS mandatory registration of solar inverters and related photovoltaic products

International Standards

Testing as per IEC, UL, and EN standards for solar products intended for export and global market access

Solar Junction Boxes & Connector Testing

Solar junction boxes and DC connectors are critical safety components in any PV installation. As a recognized solar junction boxes testing lab in India, ITC Lab evaluates these parts for electrical safety, thermal performance, ingress protection, and mechanical durability under standards applicable to outdoor solar environments.

Electrical Safety Tests

  • Dielectric voltage withstand test
  • Insulation resistance measurement
  • Continuity and contact resistance
  • Short circuit current handling capacity

Environmental & IP Tests

  • IP Rating verification (IP65, IP67, IP68)
  • Salt spray and corrosion resistance
  • UV exposure and outdoor weathering
  • Thermal cycling and humidity exposure

Mechanical Durability Tests

  • Plug/unplug mating cycle endurance
  • Pull-out and retention force testing
  • Cable strain relief evaluation
  • Flammability and glow wire testing

Why ITC Lab is Among the Best Solar Testing Laboratories in India

With full accreditation, modern infrastructure, and experienced technical staff, ITC Lab stands out as a trusted solar testing lab in India serving manufacturers, EPCs, developers, and importers across the country.

NABL
Accredited Solar Testing Lab

ISO/IEC 17025:2017 accreditation for globally recognized, traceable solar inverter and battery test reports

BIS
Recognized Facility

Authorized for mandatory BIS CRS solar inverter testing and solar product compliance in India

MNRE
Approved Lab

Supports ALMM listing for solar modules required in government-funded and utility-scale solar projects

PAN India
Service Coverage

Solar testing lab in Faridabad serving clients across India with fast turnaround and expert technical support

Products We Test

S. No.Product NameIS Number
1Solar InvertersIS 16221 (Part 1)
2Utility Interconnected Photovoltaic InvertersIS 16221 (Part 1)
3Solar InvertersIS 16221 (Part 2)
4Utility Interconnected Photovoltaic InvertersIS 16221 (Part 2)
5RectifierIS:16242(Part 1) /IEC 62040-1
6Battery or other energy storage deviceIS:16242(Part 1) /IEC 62040-1
7InverterIS:16242(Part 1) /IEC 62040-1
8Static switchIS:16242(Part 1) /IEC 62040-1
9Stabilized power supplies (AC & DC)IS:16242(Part 1) /IEC 62040-1
10Servo operated voltage stabilizers (AC)IS:16242(Part 1) /IEC 62040-1
11Uninterrupted power systems (UPS)IS:16242(Part 1) /IEC 62040-1

Ready to Test Your Solar Products?

Contact our solar energy experts for solar inverter testing, solar battery testing, PV module testing, and solar junction box testing.

Located in Faridabad, Haryana - one of India's trusted solar testing laboratories serving manufacturers, EPCs, and importers nationwide.