1. Salt spray test: 35 ℃, 5% NaCl aqueous solution, pH 6.5 ? 7.2, continuous spray for 3 days, no rust on the metal sheet, impedance change within 50%.
2. Cold and hot shock: Low temperature -40 ± 2 ℃ for 30 minutes - room temperature 25 ℃ for 5 minutes - high temperature 125 ± 2 ℃ for 30 minutes - room temperature 25 ℃ for 5 minutes - cycle 1000 times, medium: air.
3. Boiling test: 85 ℃ 1000 ± 24H;
4. Double 85: Environmental temperature: 85 ℃± 2 ℃, environmental humidity: 85%, duration: 1000 ± 24H
5. High temperature test: 125 ± 5 ℃, 1000 ± 24h.
6. Low temperature test: -40 ± 5 ℃, 1000 ± 24h.
Cooling fins for charging modules
