Super capacitor in the car emergency start
Supercapacitors are now widely used in automotive emergency start projects, The supercapacitors used in the car emergency start project have fully sealed structure 2.7V 300F, 350F, 500F, 720F, 1000F, 3000F, etc. Super capacitor can work at minus -30℃.
The picture below is a field test in the coldest city in China.