Such use can create resistance to extend the service life of a battery, the battery is connected correctly, the red is positive, pure electric vehicle battery technology, black is negative; 2, the battery is charged the factory, electric car batteries, users can directly use, such as the factory a long time, should be supplemented charged before use; 3, the battery short-circuit or reverse charge will cause the battery to burn, even muster until retirement. Above content provided by Hebei Tianyi Electric Co., Ltd., we hope to help a friend in the same industry. Year resistant battery electric vehicles and maintenance approach to life use of electric vehicles play a decisive role, in addition to electric motors, electric car batteries battery OEM, followed by a battery; the General Motors quality assurance, the normal use of the line; but the battery if you are using, charging Improper service life will be greatly reduced. Reduce the useful life of electric vehicles. When the battery is fully charged after storage should be stored in about a month taken out of the discharge or use once or twice, domestic electric car battery, then charge continue to be placed; this will help extend battery life; most of the new battery before charging three times preferably 8-12 hours, 6-8 hours after the hands; rechargeable battery of fast and slow can; the key is to discharge time; discharge time long you can continue to use; as long as the battery can be charged and discharged it may also be continue to use. Above content provided by Hebei Tianyi Electric Co., Ltd., we hope to help a friend in the same industry. Year resistant cells (Fig.), High wholesale electric car battery manufacturers, 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: Liu Guohui.