Technical Dictionary Accumulator battery Marking. Located on the battery indicates its response. For example, the marking "12 V 74Ah 350 A?� indicates the following: 12 - rated voltage; 74 A ?� h - nominal capacity; 350 A - Control discharge current. The nominal battery voltage of 12 V. costavlyaet actual voltage depends on the degree of charge of the battery, it can be higher or lower than the nominal. The rated capacity is the current that is fully charged battery can give up to 20 hours at a temperature of +27 ?� C, no voltage drop at the terminals of not less than 10.5 V. Controlling the discharge current in the cold state reflects a current of given capacity of the battery in a cold state. The discharging current 12, which may issue a battery at -18 ?� C without stress has not fallen below 9 for 30 seconds and 6 for 150 seconds. Self-discharge - chemical processes in the battery and lead to its discharge when it is not connected consumers. Charged new car battery every day lost about 0.5% of its charge. Heat damage or contamination covers the battery self-discharge speed up the process. |