technical report no. 70.410.20.1282.02-00 dated 2021-06-08

Technical Report No. 70.410.20.1282.02-00Dated 2021-06-08

TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai BranchNo. 151, Hengtong Road Project Engineer: Sun GuoqingShanghai 200070, P.R China TEL: (021) 61410123 FAX: (021) 61408600

1 of 8

Client : Geero GmbHSaaz 99 8341, Saaz, AUSTRIA

Contact person : Ing. Thomas Rath

Manufacturer : DLG(Shanghai) Electronic Technology Co.,LTD.Building 9, No.3492 Jinqian Road, Fengxian District, Shanghai, China

Type of equipment : Li-ion Battery

Model/Type : Geero 2.0 removable battery

Ratings : 44.4V, 10Ah, 444Wh

Test Specifications : ST/SG/AC.10/11/REV.6/Amend.1 section 38.3Recommendations on the Transport of Dangerous Goods / Manual of Test and Criteria / Part III, Subsection 38.3

Purpose of examination : Test according to the test specification.

Test results : The test results show that the presented product is in compliance with the specified requirements.

This technical report may only be quoted in full. Any use for advertising purposes must be granted in writing. This report is the result of a single examination of the object in question and is not generally applicable evaluation of the quality of other products in regular production.



2 of 8

TPS_GC

N_F_09.20E – R

ev. 0 2020-05-06

1 Description of the test subject

1.1 Function

Rechargeable Li-ion cell providing a source of electrical energy

1.2 Technical Data

Cell Model: Geero 2.0 removable batteryNominal Voltage: 44.4VMaximum Charge Voltage: 50.4VRated Capacity: 10000mAhNominal Continuous Charge Current: 3000mAhMax. Continuous Charge Current: 5000mAhNominal Continuous Discharge Current: 7000mAhMax. Continuous Discharge Current: 20000mAhFinal Discharge Voltage: 32.5V

2 Order

2.1 Date of Purchase Order, Customer’s Reference

2020-12-09

2.2 Receipt of Test Sample, Location

2020-12-25

2.3 Date of Testing

2021-01-12 to 2021-02-04

2.4 Location of Testing

Shanghai Institute of Chemical Industry Testing Co., Ltd.No.345 East Yunling Road, Putuo, Shanghai 200062, China

2.5 Points of Non-compliance or Exceptions of the Test Procedure

N/A



3 of 8

TPS_GC

N_F_09.20E – R

ev. 0 2020-05-06

1. 3 Test Results

3.1 Test T.1: Altitude simulation

ST/SG/AC.10/11/REV.6/Amend.1 section 38.3 Test T.1

Test result:

Pre-test After test

State of batteries No.

Mass(g) Voltage (V) Mass(g) Voltage

(V)

Mass loss

(≤0.1%)

Voltage after

test/Voltage pre-test (≥90%)

Result

001 2567.5 49.81 2567.5 49.80 0.00 99.98 PASS002 2565.0 49.81 2565.0 49.80 0.00 99.98 PASS003 2558.0 49.82 2558.0 49.81 0.00 99.98 PASS

Fully charged at first cycle 004 2561.0 49.86 2561.0 49.85 0.00 99.98 PASS

005 2558.5 49.85 2558.5 49.84 0.00 99.98 PASS006 2563.5 49.86 2563.5 49.86 0.00 100.00 PASS007 2564.0 49.88 2563.5 49.83 0.02 99.90 PASS

Fully charged after 25 cycles 008 2562.0 49.85 2562.0 49.84 0.00 99.98 PASS

3.2 Test T.2: Thermal test


Test results:

Pre-test After test



(V)

Mass loss

(≤0.1%)

Voltage after


Result

001 2567.5 49.80 2567.0 49.31 0.02 99.02 Pass002 2565.0 49.80 2564.0 49.31 0.04 99.02 Pass003 2558.0 49.81 2557.0 49.30 0.04 98.98 Pass

Fully charged at first cycle 004 2561.0 49.85 2560.5 49.32 0.02 98.94 Pass

005 2558.5 49.84 2558.0 49.31 0.02 98.94 Pass006 2563.5 49.86 2562.5 49.31 0.04 98.90 Pass007 2563.5 49.83 2563.5 49.32 0.00 98.98 Pass

Fully charged after 25 cycles 008 2562.0 49.84 2561.0 49.30 0.04 98.92 Pass



4 of 8

TPS_GC

N_F_09.20E – R

ev. 0 2020-05-06

3.3 T.3: Vibration


Test result:

Pre-test After test



(V)

Mass loss

(≤0.1%)

Voltage after


Result

001 2567.0 49.31 2567.0 49.29 0.00 99.96 Pass002 2564.0 49.31 2564.0 49.27 0.00 99.92 Pass003 2557.0 49.30 2557.0 49.28 0.00 99.96 Pass


005 2558.0 49.31 2558.0 49.29 0.00 99.96 Pass006 2562.5 49.31 2562.5 49.29 0.00 99.96 Pass007 2563.5 49.32 2563.5 49.30 0.00 99.96 Pass


3.4 Test T.4: Shock


Test result:

Pre-test After test



(V)

Mass loss

(≤0.1%)

Voltage after


Result

001 2567.0 49.29 2567.0 49.28 0.00 99.98 Pass002 2564.0 49.27 2564.0 49.26 0.00 99.98 Pass003 2557.0 49.28 2557.0 49.28 0.00 100.00 Pass


005 2558.0 49.29 2558.0 49.28 0.00 99.98 Pass006 2562.5 49.29 2562.5 49.28 0.00 99.98 Pass007 2563.5 49.30 2563.5 49.29 0.00 99.98 Pass




5 of 8

TPS_GC

N_F_09.20E – R

ev. 0 2020-05-06

3.5 Test T.5: External short circuit


Test result:

State of batteries No. External Peak temperature Results

001 57.0°C Pass002 55.2°C Pass003 55.4°C Pass

Fully charged at first cycle

004 55.9°C Pass005 55.9°C Pass006 55.5°C Pass007 55.8°C Pass

Fully charged after 25 cycles

008 56.1°C Pass

3.6 Test T.6: Impact


Test result:

State of samples No. Highest external temperature Results

C01 23.8°C ND, NFC02 23.0°C ND, NFC03 23.0°C ND, NFC04 22.9°C ND, NF

50% of the rated capacity

after one cycle C05 22.3°C ND, NF

C06 21.2°C ND, NFC07 21.4°C ND, NFC08 21.5°C ND, NFC09 21.7°C ND, NF

50% of the rated capacity after 25 cycles

C10 22.2°C ND, NFNote： D=disassembly， F=fire

ND=no disassembly， NF=no fire



6 of 8

TPS_GC

N_F_09.20E – R

ev. 0 2020-05-06

3.7 Test T.7: Overcharge


Test results:

State of batteries No. Results

009 ND, NF010 ND, NF011 ND, NF

Fully charged at first cycle

012 ND, NF013 ND, NF014 ND, NF015 ND, NF

Fully charged after 25 cycles 016 ND, NF

Note: D=disassembly， F=fire ND=no disassembly， NF=no fire



7 of 8

TPS_GC

N_F_09.20E – R

ev. 0 2020-05-06

3.8 Test T.8: Forced discharge


Test results:

State of samples No. 2. Results

C11 3. ND, NF

C12 4. ND, NF

C13 5. ND, NF

C14 6. ND, NF

C15 7. ND, NF

C16 8. ND, NF

C17 9. ND, NF

C18 10. ND, NF

C19 11. ND, NF

Fully discharged after one

cycle

C20 12. ND, NF

C21 13. ND, NF

C22 14. ND, NF

C23 15. ND, NF

C24 16. ND, NF

C25 17. ND, NF

C26 18. ND, NF

C27 19. ND, NF

C28 20. ND, NF

C29 21. ND, NF

Fully discharged

after 25 cycles

C30 22. ND, NF

Note： D=disassembly， F=fire23. ND=no disassembly，

NF=no fire



8 of 8

TPS_GC

N_F_09.20E – R

ev. 0 2020-05-06

24. 5 Photo Documentation

6 Summary

The test specification(s) is (are) met

TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch

Engineer: __________________ Technical Report checked: ________________Sun Guoqing Zhu Chenghong

-End of report-

technical report no. 70.410.20.1282.02-00 dated 2021-06-08

Documents