RF Exposure Evaluation

Shenzhen Romoss Technology Co., Ltd. RM1800 Portable Power Station 2A6QM-RM1800 2A6QMRM1800 rm1800

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Guangdong Dongdian Testing Service Co., Ltd.

Report No.:DDT-RE24110421-4E02

RF EXPOSURE REPORT

Applicant

: Shenzhen Romoss Technology Co., Ltd.

Address of Applicant

Room1601, BLOCK B, Building 7, Shenzhen

:

International Innovation Valley, Dashi 1st Road Xili community, Xili Street, Nanshan, Shenzhen,

Guangdong, P.R.China

Manufacturer

: Jiangmen Romoss Technology Co., Ltd.

Room 01-2, First floor, Building 8, No. 80, Renhe
Address of Manufacturer : Road, Tangxia Town, Pengjiang District, Jiangmen
City

Equipment under Test : Portable Power Station

Model No.

: RM1800

FCC ID Test Standard(s) Report No.

: 2A6QM-RM1800

:

FCC CFR 47 part1, 1.1307(b), 1.1310; KDB680106 DR03-44118

: DDT-RE24110421-4E02

Issue Date Issue By

: 2025/01/09

Guangdong Dongdian Testing Service Co., Ltd.

:

Unit 2, Building 1, No. 17, Zongbu 2nd Road, Songshan Lake Park, Dongguan, Guangdong, China,

523808

TRF No.: RT-4-E-006

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Guangdong Dongdian Testing Service Co., Ltd.

Report No.:DDT-RE24110421-4E02

Table of Contents

1.

General Test Information .............................................................................................. 5

1.1.

Description of EUT........................................................................................................ 5

1.2.

Accessories of EUT ...................................................................................................... 5

1.3.

Test laboratory .............................................................................................................. 6

2.

RF Exposure evaluation for FCC.................................................................................. 7

2.1.

Test equipment ............................................................................................................. 7

2.2.

Block diagram of test setup .......................................................................................... 7

2.3.

Limits............................................................................................................................. 7

2.4.

Assistant equipment used for test ................................................................................ 8

2.5.

Test procedure.............................................................................................................. 8

2.6.

Test result ..................................................................................................................... 9

3.

Test Setup Photograph............................................................................................... 10

4.

Photos of the EUT ...................................................................................................... 11

TRF No.: RT-4-E-006

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Guangdong Dongdian Testing Service Co., Ltd.

Report No.:DDT-RE24110421-4E02

Test Report Declare

Applicant
Address of Applicant
Equipment under Test Model No. Manufacturer Address of Manufacturer

: Shenzhen Romoss Technology Co., Ltd.
Room1601, BLOCK B, Building 7, Shenzhen International
: Innovation Valley, Dashi 1st Road Xili community, Xili Street,
Nanshan, Shenzhen, Guangdong, P.R.China
: Portable Power Station

: RM1800

: Jiangmen Romoss Technology Co., Ltd.

:

Room 01-2, First floor, Building 8, No. 80, Renhe Road, Tangxia Town, Pengjiang District, Jiangmen City

Test Standard Used: FCC CFR 47 part1, 1.1307(b), 1.1310; KDB680106 DR03-44118
We Declare: The equipment described above is tested by Guangdong Dongdian Testing Service Co., Ltd. and in the configuration tested the equipment complied with the standards specified above. The test results are contained in this test report and Guangdong Dongdian Testing Service Co., Ltd. is assumed of full responsibility for the accuracy and completeness of these tests.

Report No.:

DDT-RE24110421-4E02

Date of Receipt: 2024/12/16

Date of Test: 2024/12/16~2025/01/09

Prepared By:

Approved By:

_____________________ Johnson Huang/Engineer

______________________ Damon Hu/EMC Manager

Note: This report applies to above tested sample only. This report shall not be reproduced in parts without written approval of Guangdong Dongdian Testing Service Co., Ltd.

TRF:RT-4-E-006

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Guangdong Dongdian Testing Service Co., Ltd.

Report No.:DDT-RE24110421-4E02

Rev. Revisions --- Initial issue

Revision History

Issue Date 2025/01/09

Revised By

TRF:RT-4-E-006

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Guangdong Dongdian Testing Service Co., Ltd.

Report No.:DDT-RE24110421-4E02

1. General Test Information

1.1. Description of EUT

EUT Name Model Number
EUT Function Description
Power Supply

: Portable Power Station

: RM1800

Cell Capacity: 1344Wh 44.8V 30Ah (420000mAh 3.2V)

AC Output (x4):110-130V~60Hz, 16.4A (Total: 1800W)

Car Charger Output (x1): 12V/10A (120W Max)

: DC5525 Output (x2):12V/10A (120W Max) USB-A Output (x4):5V/3A, 9V/2A,12V/1.5A (18W Max)

Type-C Output (x2):5V/3A, 9V/3A,12V/3A,15V/3A, 20V/5A (100W Max)

Wireless Charging Output: 15W

Total Output: 2000W

:

AC DC

input: input:

110-130V~ 60Hz, 15A Max, 12-60V, 15A, 600W Max

Wireless charging Operation frequency

: 110.5kHz-205kHz

Antenna Type

: Inductive loop coil antenna

Note: The above EUT information is declared by manufacturer and for more detailed features description please refer to the manufacturer's specifications or User's Manual. The above Antenna information is declared by manufacturer and for more detailed features description please refer to the manufacturer's specifications, the laboratory shall not be held responsible.
"" means to be chosen or applicable; "" means don't to be chosen or not applicable; This note applies to entire report.

1.2. Accessories of EUT

Accessories /

Manufacturer Model number

/

/

Description /

TRF:RT-4-E-006

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Guangdong Dongdian Testing Service Co., Ltd.

Report No.:DDT-RE24110421-4E02

1.3. Test laboratory
Guangdong Dongdian Testing Service Co., Ltd. Add.: Unit 2, Building 1, No. 17, Zongbu 2nd Road, Songshan Lake Park, Dongguan, Guangdong, China, 523808. Tel.: +86-0769-38826678, http://www.dgddt.com, Email: [email protected].
CNAS Accreditation No. L6451; A2LA Accreditation Number: 3870.01 FCC Designation Number: CN1182, Test Firm Registration Number: 540522 Innovation, Science and Economic Development Canada Site Registration Number: 10288A Conformity Assessment Body identifier: CN0048 VCCI facility registration number: C-20087, T-20088, R-20123, R-20155, G-20118

TRF:RT-4-E-006

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Guangdong Dongdian Testing Service Co., Ltd.

Report No.:DDT-RE24110421-4E02

2. RF Exposure evaluation for FCC

2.1. Test equipment

Equipment Isotropic EM Field
Probe

Manufacturer Wavecontrol

Model No. WP400

2.2. Block diagram of test setup

Serial No. DDT-ZC02464

Cal Due To 2025/06/28

2.3. Limits
According to §1.1307(b)(1), systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess of the Commission's guidelines.

TRF:RT-4-E-006

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Guangdong Dongdian Testing Service Co., Ltd.

Report No.:DDT-RE24110421-4E02

According to §1.1310 and §2.1091 RF exposure is calculated.According KDB 680106 D01 Wireless Power Transfer v04.

2.4. Assistant equipment used for test

Assistant equipment Dummy load

Manufacturer N/A

Model number N/A

Description N/A

other N/A

2.5. Test procedure
a)The RF exposure test was performed in shielded chamber. b)The measurement probe was placed at test distance 20 cm which is between the edge of the charger and the geometric centre of probe. c)The measurement probe used to search of highest strength. d)The highest emission level was recorded and compared with limit as soon as measurement of each points (A, B, C, D, E) were completed. e)The EUT were measured according to the dictates of KDB 680106 D01 Wireless Power Transfer v04.

TRF:RT-4-E-006

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Guangdong Dongdian Testing Service Co., Ltd.

Report No.:DDT-RE24110421-4E02

2.6. Test result
Dummy load is working on 5W load, 10W, 15W. All test modes were pre-tested, but we only recorded the worst case in this report.

Test Distance
(cm)
20

Test Position
A B C D E

Probe Measure Result(V/m)

5W

10W

15W

0.51

0.80

0.42

0.58

0.67

0.69

0.64

0.57

0.96

0.52

0.86

0.75

0.84

1.04

3.27

Test Distance (cm)
20

Test Position
A B C D E

Probe Measure Result(A/m)

5W

7.5W

15W

0.04

0.05

0.07

0.02

0.04

0.06

0.04

0.05

0.08

0.03

0.04

0.07

0.05

0.08

0.08

Limits Test (V/m)
614 614 614 614 614
Limits Test (A/m)
1.63 1.63 1.63 1.63 1.63

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Guangdong Dongdian Testing Service Co., Ltd.

Report No.:DDT-RE24110421-4E02

4. Photos of the EUT
Please refer to DDT-Q24110421-2E appendix I
-----------------------End Report----------------------

TRF:RT-4-E-006

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