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National 24-hour service hotline

400-116-2629

Group Headquarters

Cell phone:18126505465

E-mail: webmaster@lcs-cert.com

Address: Shenzhen City, Baoan District, Shajing Street, Nga side of the school of Wei Juji Industrial Park, Building A 1 ~ 2 floor, Building C 3 floor

High and low temperature impact test

Place the fully charged battery in an environment with a temperature of 72 ± 2 ℃ for 4 hours, then cool it down to 20 ± 2 ℃ and keep it at a constant temperature for 2 hours within 30 minutes, then cool it down to -20 ± 2 ℃ and keep it at a constant temperature for 4 hours within 30 minutes, and finally warm it up to 20 ± 2 ℃ and keep it at a constant temperature for 2 hours within 30 minutes. Repeat the above steps 4 times continuously. After five cycles of high and low temperature impact, the battery is placed in an environment with a temperature of 20 ± 5 ℃ for 7 days and visually inspected for observation

6 individual

Large-scale experimental base

150 individual

Professional Lab

30 All kinds of

Analysis Method

8 million times

Testing/year