Car battery on cold start current (CCA): The so-called cold cranking amps CCA value (Cold Cranking Ampere) means: at a predetermined low temperature (usually specified in 0 ℉ or -17.8 ℃) the battery voltage falls below the limit in before the supply voltage, continuous 30 seconds to release the amount of current. For example: There is a 12 volt battery casing marked CCA is 600, and its significance is at 0 ° F, Zhengzhou VARTA quality, the voltage drops before 7.2 volts, for 30 seconds to provide 600 amps (Ampere) current amount . Electric Chi help - car battery specialist, car battery hypermarkets, Zhengzhou Varta monopoly, the lowest price of the whole network, open and transparent, with free on-site installation services, installed after the payment, does not produce any additional costs. Please call the national hotline, a telephone, Zhengzhou Varta, home services! Construction automotive batteries: car batteries operating principle: battery electric Chi help supermarkets Main sail, Varta, camels, Bosch, Hella and other first-class brand batteries and electric car battery. Sailing battery manufacturers are signing agents, Zhengzhou Varta price, Varta, Bosch, unified GS our distributors, while operating AC Decaux, LD force all other brand batteries. Chi to help provide customers with electricity in urban areas undifferentiated site installation services, just dial our national call, a phone call away! VARTA Monopoly Zhengzhou, Zhengzhou Varta, Zhengzhou sails battery cell help provided by Zhengzhou Automotive Services Limited. Zhengzhou battery help Automotive Services Limited (www.dianchibang.com) strong, credible, in Zhengzhou, Henan Power, ignition systems and other industries has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will help lead the electric car battery Chi into the brilliant and you work for a better future!