Electric car battery problem Rollup 4, softening. Caused by high current charge and discharge. Repair method: first deep discharge, and then filling up 0.2-0.5C large pulse current. 5, off. Late inevitable. Repair method: None. 6, short circuit, open circuit. Serious sulfide, loss caused by the inevitable late life. Repair: Replace the battery. Maintenance of an electric car battery should be fully charged before use. The new buy back the electric car should be fully charged before use. Because many electric cars in the shop has been set aside for a few months, or even six months or more, it must be adequate electricity and then use later, it is best not to use a fully charged immediately, need to stand ten minutes. 2, the battery is installed firmly on the bike. Win to charge the battery installed when the battery is firmly installed electric tricycle manufacturers in the electric bicycle, when riding the battery to prevent damage from vibration. Battery carrying prohibited throw throw, roll, pressure. 3, to keep the battery dry and clean. Often remove the battery cover of the dust, dirt, keep the battery dry and clean to prevent the battery self-discharge. 4, to develop battery charging every night for good habits. Absolutely can not let the battery power is low in the long-term state and every night to develop good habits for the battery charge. Long-term need, should be filled with electricity, put a cool dry place electric tricycle manufacturers and regularly charge, usually 10 days. 5, just start with the foot. When the bike is just starting, with a foot pedal, no foot can push the ground with their feet the way the top ten brands of electric tricycles to help start, uphill time? With pedal assist electric car slope, in order to avoid the discharge current is too large damage the battery. Electric tricycle prices, White Dragon machinery (certified), electric tricycle provided by White Dragon Machinery Co., Ltd. Shandong. White Dragon Shandong Machinery Co., Ltd. (www.bailonggrp.com) Shandong Linyi, bicycles, tricycles and accessories leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In the White Dragon machinery leadership with the staff warmly welcome all inquiries negotiations to create a better future for White Dragon machinery.