Test Report. File No.: SHV04007/15-02 Test Report No.: , P.R. China

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Cameron Newton
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2 Applicant... : Manufacturer... : Order No.... : Zhejiang ERA Solar Technology Co., Ltd. Sihai Road, Huangyan Economic Development Zone, Taizhou, Zhejiang , P.R. China Zhejiang ERA Solar Technology Co., Ltd. Sihai Road, Huangyan Economic Development Zone, Taizhou, Zhejiang , P.R. China QT- SHV04007/15_R3 Date of Application... : 10/21/2014 Product... : Module type(s)... : Crystalline Silicon Photovoltaic Modules 6 Poly-crystalline Silicon Solar Cell Modules: ESPMCxxx (xxx= , in steps of 5, 36cells) ESPMCxxx (xxx= , in steps of 5, 60cells) ESPMCxxx (xxx= , in steps of 5, 72cells) 6 Mono-crystalline Silicon Solar Cell Modules: General Information Maximum System Voltage... : Application Class... : Electrical Protection Class... : Type of examination... : ESPSC150 (36cells) ESPSCxxx (xxx= , in steps of 5, 60cells) ESPSCxxx (xxx= , in steps of 5, 72cells) 5 Mono-crystalline Silicon Solar Cell Modules: ESPSAxxx (xxx= , in steps of 5, 36cells) ESPSAxxx (xxx= , in steps of 5, 72cells) DC 1000V Class A Class II Conformity testing with TÜV mark Testing Period... : 08/03/ /26/2015 Testing Laboratory... : China Building Integrated Photovoltaic Product Test Center No.1,Guanzhuang Dongli, Chaoyang District, Beijing,China Test results listed in this test report refer exclusively to the mentioned test sample. Partly copying is not permitted without explicit agreement of the owner. The submitted test samples as described in the reports hereunder are in compliance with the requirements: IEC 61701: 2011 Salt-mist corrosion testing of photovoltaic (PV) modules, Severity 6 PV-F-030 TRF Page 2 of 31 Version 1.1

3 List of contents List of contents... 3 History of certification... 4 Summary of testing... 4 General remarks... 5 Sampling... 6 Module type: ESPMC Module group assignment... 8 Module type: ESPMC Test result overview... 9 Test results of IEC Module type: ESPMC MST01 Visual inspection (initial) Maximum power determination (initial) MST16 Dielectric withstand test (initial) Wet leakage current test (Initial) MST13 Ground continuity test (initial) Salt-mist corrosion test Annex 1: Constructional Data Form(CDF) Annex 2: List of measurement equipment Annex 3: Statement of the estimated uncertainty of the test results Annex 4: I-V curves after bypass diode functional test Annex 5: Photos Module type: ESPMC PV-F-030 TRF Page 3 of 31 Version 1.1

4 History of certification File no.... : Certificate no... : Date of issue... : Report no.... : Module type... : Description:... : N/A N/A N/A N/A N/A Basic qualification Summary of testing According to the enquiry of the applicant, a qualification testing and certification was performed according to IEC 61701:2011 Severity 6. Module type ESPMC300 was selected as representative test samples and were conducted with all the related tests. All tests were successfully completed. Therefore, from the result of testing and factory inspection, it is recommended that certification should be granted. Detailed product information are to be found in the CDF (constructional data form) in Annex 1 of this report. PV-F-030 TRF Page 4 of 31 Version 1.1

5 General remarks Test item particulars: Accessories and detachable parts included in the evaluation... : Options included... : N/A N/A Abbreviations used in the report: Vmpp - Maximum power voltage Impp - Maximum power current Voc - Open circuit voltage Isc - Short circuit current Pmpp - Maximum power FF - Fill factor STC - Standard Test Conditions - Possible test case verdicts: Test case does not apply to the test object... : Test object does meet the requirement... : Test object does not meet the requirement... : Not Applicable (N/A) Pass (P) Fail (F) General Remarks: The test verdicts presented in this report relate only to the object tested. This report shall not be reproduced, except in full, with the written approval of the issuing testing laboratory. (see Annex #) refers to additional information appended to the report. (see Table #) refers to a table appended to the report. Throughout this report a point is used as the decimal separator PV-F-030 TRF Page 5 of 31 Version 1.1

6 Sampling Module type: ESPMC300 Random sampling from production Prototype submitted by client Supplementary information: N/A PV-F-030 TRF Page 6 of 31 Version 1.1

7 TEST SEQUENCE 3 Modules Preconditioning MST 01 Visual Inspection 10.2 Maximum Power Determination MST 16 Dielectric Withstand Test Wet Leakage Current Test MST 13 Ground Continuity Test A B 4 Salt-mist Corrosion Test MST 01 Visual Inspection 10.2 Maximum Power Determination MST 16 Dielectric Withstand Test Wet Leakage Current Test MST 13 Ground Continuity Test 4.2 Bypass Diode Functionality Test PV-F-030 TRF Page 7 of 31 Version 1.1

8 Module group assignment Module type: ESPMC300 Sample # Group ID Sample SN Dimension (l x w x h) [mm] Remark 1 A AM X992X45 REF 2 B AM X992X45 SALT-MIST Severity 6 3 B AM X992X45 SALT-MIST Severity 6 PV-F-030 TRF Page 8 of 31 Version 1.1

9 Test result overview 4 Marking - P - Name, monogram or symbol of manufacturer... Printed on nameplate P - Type or model number... Printed on nameplate P - Serial number... Attached separately beside the string connectors P - Polarity of terminals or leads... Marked with color P - Maximum system voltage VDC P - The date and place of manufacture... Traceable from serial number P - Initial examination All modules P 10 Preconditioning... : Performed by manufacturer N/A MST 01 Visual inspection... : See table MST01 P 10.2 Maximum power determination... : See table 10.2 P MST 16 Dielectric withstand test... : See table MST16 P Wet leakage current test... : See table P MST 13 Ground continuity test... : See table MST13 P Group A 1 Module See Group ID A P Group B 2 Modules Sample Group ID B P 4 Salt-mist corrosion test, Severity 6... : See table 4 P MST 01 Visual inspection... : See table 4 P 10.2 Maximum power determination... : See table 4 P MST 16 Insulation test / Dielectric withstand test... : See table 4 P Wet leakage current test... : See table 4 P MST 13 Ground continuity test... : See table 4 P 4.2 Bypass diode functionality test... : See table 4 P PV-F-030 TRF Page 9 of 31 Version 1.1

10 IEC Clause Requirement + Test Result - Remark Verdict Test results of IEC Module type: ESPMC300 MST01 Visual inspection (initial) - Test date [MM/DD/YYYY]... : 08/03/ Sample # Nature and position of initial findings comments or attach photos P 1 No visual defects P 2 No visual defects P 3 No visual defects P Supplementary information: N/A - PV-F-030 TRF Page 10 of 31 Version 1.1

11 IEC Clause Requirement + Test Result - Remark Verdict 10.2 Maximum power determination (initial) - Test date [MM/DD/YYYY]... : 08/03/ Module temperature [ C]... : Corrected to 25 - Irradiance [W/m 2 ]... : Corrected to Sample # Voc [V] Vmpp [V] Isc [A] Impp [A] Pmpp [W] FF [%] Supplementary information: N/A - PV-F-030 TRF Page 11 of 31 Version 1.1

12 IEC Clause Requirement + Test Result - Remark Verdict MST16 Dielectric withstand test (initial) - Test date [MM/DD/YYYY]... : 08/03/ Test voltage applied [V]... : 2 minutes of 1000 and 1 minute of Sample # Required [MΩ] Measured [MΩ] Dielectric breakdown? >1000 No P >1000 No P >1000 No P Supplementary information: Minimum requirement according to the standard is 40MΩ m 2. Area of the module is 1.94m 2. - PV-F-030 TRF Page 12 of 31 Version 1.1

13 IEC Clause Requirement + Test Result - Remark Verdict Wet leakage current test (Initial) - Test date [MM/DD/YYYY]... : 08/03/ Test voltage applied [V]... : 2 minutes of Solution resistivity [Ω cm] / < : 1318 P Solution temperature [ C] / 22±3... : 22.1 P Sample # Required [MΩ] Measured [MΩ] P P P Supplementary information: Minimum requirement according to the standard is 40MΩ m 2. Area of the module is 1.94m 2. - PV-F-030 TRF Page 13 of 31 Version 1.1

14 IEC Clause Requirement + Test Result - Remark Verdict MST13 Ground continuity test (initial) - Test date [MM/DD/YYYY]... : 08/03/ Maximum over-current protection rating [A]... : 15 - Current applied [A]... : Location of designated grounding point... : Grounding point of the long edge - Sample # Location of 2 nd contacting point Resistance [Ω] - 1 The center of the other longer side The center of one shorter side The center of the other shorter side 2 The center of the other longer side The center of one shorter side The center of the other shorter side 3 The center of the other longer side The center of one shorter side The center of the other shorter side P P P Supplementary information: N/A - PV-F-030 TRF Page 14 of 31 Version 1.1

15 IEC Clause Requirement + Test Result - Remark Verdict 4 Salt-mist corrosion test - Test date [MM/DD/YYYY] / start - end... : 08/01/ /28/ Sample #... : 2, 3 - Total hours [h]... : Salt-mist spray solution concentration [%]... : 5 - Temperature of salt-mist spray period [ C]... : 25 - Temperature of humidity storage period [ C]... : 40 - Humidity of humidity storage period [%]... : 90 - Temperature of standard atmosphere storage period [ C]... : Humidity of standard atmosphere storage period [%]... : Supplementary information: Test is performed according to IEC 61701:2011 Severity 6. - MST01 Visual inspection after salt-mist corrosion test - Test date [MM/DD/YYYY]... : 09/28/ Sample # Nature and position of initial findings comments or attach photos - 2 No visual defects P 3 No visual defects P Supplementary information: N/A Maximum power determination after salt-mist corrosion test - Test date [MM/DD/YYYY]... : 09/28/ Module temperature [ C]... : Corrected to 25 - Irradiance [W/m 2 ]... : Corrected to Sample # Voc [V] Vmpp [V] Isc [A] Impp [A] Pmpp [W] FF [%] Pmpp degradation after test [%] / 5.. : Sample 2#: Sample 3#: P Supplementary information: N/A - PV-F-030 TRF Page 15 of 31 Version 1.1

16 IEC Clause Requirement + Test Result - Remark Verdict MST16 Dielectric withstand test after salt-mist corrosion test - Test date [MM/DD/YYYY]... : 09/28/ Test voltage applied [V]... : 2 minutes of 1000 and 1 minute of Sample # Required [MΩ] Measured [MΩ] Dielectric breakdown? >1000 No P >1000 No P Supplementary information: Minimum requirement according to the standard is 40MΩ m 2. Area of the module is 1.94m 2. - MST16 Wet leakage current test after salt-mist corrosion test - Test date [MM/DD/YYYY]... : 09/28/ Test voltage applied [V]... : 2 minutes of Solution resistivity [Ω cm] / < : 1025 P Solution temperature [ C] / 22±3... : 19.7 P Sample # Required [MΩ] Measured [MΩ] P P Supplementary information: Minimum requirement according to the standard is 40MΩ m 2. Area of the module is 1.94m 2. - MST13 Ground continuity test after salt-mist corrosion test - Test date [MM/DD/YYYY]... : 09/28/ Maximum over-current protection rating [A]... : 15 - Current applied [A]... : Location of designated grounding point... : Grounding point of the long edge - Sample # Location of 2 nd contacting point Resistance [Ω] - 2 The center of the other longer side The center of one shorter side The center of the other shorter side 3 The center of the other longer side The center of one shorter side The center of the other shorter side P P Supplementary information: N/A - PV-F-030 TRF Page 16 of 31 Version 1.1

17 IEC Clause Requirement + Test Result - Remark Verdict 4.2 Bypass diode functionality test after salt-mist corrosion test - Test date [MM/DD/YYYY]... : 10/26/ Current applied [A]... : Test duration [h]... : 1 - Diodes still functional? / yes or no... : For 2#: Yes For 3#: Supplementary information: The junction box is potted, the temperature of diodes cannot be measured directly. Therefore, an alternative way as described in Clause 4.2 of IEC to judge whether the diodes are still functional after the test was applied. Please refer to Annex 4 for detailed information. Yes P - PV-F-030 TRF Page 17 of 31 Version 1.1

18 Annex 1: Constructional Data Form(CDF) PV-F-030 TRF Page 18 of 31 Version 1.1

19 PV-F-030 TRF Page 19 of 31 Version 1.1

20 PV-F-030 TRF Page 20 of 31 Version 1.1

21 PV-F-030 TRF Page 21 of 31 Version 1.1

22 PV-F-030 TRF Page 22 of 31 Version 1.1

23 PV-F-030 TRF Page 23 of 31 Version 1.1

24 Annex 2: List of measurement equipment Test clause Equipment Identification Next calibration date 10.2 Steady-state solar simulator GF-11 ss2622_aaa 06/22/2016 MST16 Withstanding voltage / Insulation resistance tester Withstanding voltage / insulation resistance tester GF-06-1 EX /22/2016 GF-06-1 EX /22/2016 MST13 DC Milliohmmeter GF-04 EX /12/ Salt-mist spray chamber GF-31 YWX-Q250 07/22/2016 PV-F-030 TRF Page 24 of 31 Version 1.1

25 Annex 3: Statement of the estimated uncertainty of the test results The total measuring uncertainty of Pmpp is 3.4% The total measuring uncertainty of Isc is 2.6% The total measuring uncertainty of Voc is 0.7% PV-F-030 TRF Page 25 of 31 Version 1.1

test IV curve for Sample # 2 with one cell on string 1

26 Annex 4: I-V curves after bypass diode functional test I-V curve for sample # 2 after bypass diode functional test IV curve for Sample # 2 with one cell on string 1 fully shaded PV-F-030 TRF Page 26 of 31 Version 1.1

27 IV curve for Sample # 2 with one cell on string 2 fully shaded IV curve for Sample # 2 with one cell on string 3 fully shaded PV-F-030 TRF Page 27 of 31 Version 1.1

28 I-V curve for sample # 3 after bypass diode functional test IV curve for Sample # 3 with one cell on string 1 fully shaded PV-F-030 TRF Page 28 of 31 Version 1.1

29 IV curve for Sample # 3 with one cell on string 2 fully shaded IV curve for Sample # 3 with one cell on string 3 fully shaded PV-F-030 TRF Page 29 of 31 Version 1.1

30 Annex 5: Photos Module type: ESPMC300 Front overview Back overview Label Solar cell Frame Grounding Mark PV-F-030 TRF Page 30 of 31 Version 1.1

31 Junction box (JM825) Junction box (opened) N/A Bypass diode (junction box is potted) Cable (PV1-F 1x4.0mm 2 ) Mark (Do not disconnect under load) Connectors (PV-JM601) End of test report PV-F-030 TRF Page 31 of 31 Version 1.1

Test Report. File No.: SHV01023/16 Test Report No.: Taizhou, Zhejiang , P.R. China

Test Report. File No.: SHV01023/16 Test Report No.: Taizhou, Zhejiang , P.R. China Applicant... : Manufacturer... : Order No.... : Zhejiang ERA Solar Technology Co., Ltd. Sihai Road, Huangyan Economic Development Zone Taizhou, Zhejiang 318020, P.R. China Zhejiang ERA Solar Technology