How to check the battery yourself: cold in 12V over voltage required although the battery life is generally about 2-3 years in the car battery, but fails in its demise before or basic does not appear obvious early symptoms car battery manufacturers, direct performance may be started after the vehicle overnight is not smooth or is unable electric storage battery case, there will be serious or even turn off the vehicle, such as the red light situation. If these symptoms appear in your car stalls just want, then trouble. So usually how to check the battery is also crucial. Use of electric vehicles by the electrolyte into the pool:. A alkaline batteries. I.e., the alkaline battery electrolyte is an aqueous solution;. B acid batteries. I.e., an acidic aqueous solution of electrolyte for the battery;. C neutral battery. I.e., a neutral aqueous solution of the electrolyte for the battery;. D organic electrolytic solution cell. I.e., the electrolyte is an organic electrolyte solution battery. Guangzhou car battery | Wei Lai Po car battery | car battery provided by Shenzhen Wei Lai Po Battery Limited. Shenzhen Wei Lai Po Battery Co., Ltd. (www.weilipo.com) Guangdong Shenzhen, battery leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Wei Li Po car battery in leadership with the staff warmly welcome all inquiries negotiations to create Wei Lai Po car battery a better future.