Depth of discharge and large current discharge cause damage to deepen electric car battery used in automotive lead-acid batteries only when the ignition is unidirectional discharge, after the ignition generator will automatically charge the battery, without causing deep battery discharge. The electric charge is not possible when riding bicycles, often more than 60% depth of discharge, the electric car battery contacts, when deep discharge, lead sulfate concentration, curing can be quite serious. 20 km of electric cars cruise current generally 4A, new product introduction of electric vehicle batteries, this value has been higher than in other areas of battery current, while speeding overloaded electric vehicles operating current is even greater. Battery manufacturers have been 1C charge 70%, 2C discharge cycle life test of 60%. After this life test, can reach 350 times charge-discharge cycle life of the battery a lot, but the actual effect is in use far cry. This is because the large current work increased by 50% depth of discharge, the battery will accelerate the cure. Therefore, the electric three-wheeled motorcycle shorter battery life, because three-wheeled motorcycle body is too heavy, the operating current of 6A above. Above content provided by Hebei Tianyi Electric Co., Ltd., we hope to help a friend in the same industry. Our electric vehicle battery charging inappropriate greatly reduces battery life 1, the charging and discharging high frequency fields used in backup power supply battery will discharge only during a power outage, if eight times a year to stop electricity, to reach 10 years of life, only to do 80 cycles charge life, electric vehicle batteries, electric cars a year and more than 300 times charge-discharge cycles are common. 2, due to the short charging electric bike is a vehicle, not much can be charging time to complete charging 36 volt or 48 volt 20 amp within eight hours, which must improve the charging voltage (typically a single 2.7 to 2.9 V), when more than a single battery charge voltage oxygen evolution voltage (2.35 V) or hydrogen evolution voltage (2.42 V), the battery will be due to excessive oxygen evolution and open the exhaust valve, electric vehicle batteries purchase skills, resulting in loss the electrolyte concentration, curing phenomenon aggravated battery. 3, after the discharge is not timely charge electric cars as transportation tools, electric bicycles charging and discharging are completely separated, after a conditional discharge is difficult to be promptly charged, and a lot of lead sulfate formed after discharge if more than half an hour without recharging reduced to lead oxide, sulfide will form crystals. Above content provided by Hebei Tianyi Electric Co., Ltd., we hope to help a friend in the same industry. Year resistant cells (Fig.), The electric car battery contacts, electric vehicle batteries supplied by Hebei Tianyi Electric Co. Hebei Tianyi Electric Co., Ltd. (www.tianyidq.com) is specialized in "electric vehicle batteries, Childs battery, battery electric tricycle, wall switch" of the enterprise, the company adhering to the "honesty, hard service" concept, to provide you with the most quality products and services. Welcome to inquire! Contact: Li.