Of course, if you want to play to limit the battery and extend the life of a car battery wholesale, you can check the electrolyte fluid level once every 10,000 km or so, it remains in the middle position. If properly maintained car battery, ordinary battery life can be extended from 3 years to 4 years or 5 years. But now most of the 4S shops are not added electrolyte service, owners of a friend only to find their own repair shop to complete this operation. Maintenance-free battery, in order to avoid the routine maintenance and repair of its exhaust system design batteries that are distinctly different from ordinary car battery production, and therefore in theory does not need to frequently add distilled water or electrolyte. In addition, maintenance-free batteries are generally closed housing, unless professional tools and techniques 12v car battery, usually the owner is unable to self-maintenance. By way of the presence of the active substance into:. A saved on the electrode active material. Can be divided into a primary battery (non-regenerative type, a primary battery) and the secondary battery (regenerative, battery);. B continuously fed electrode active material. Divided into non-regenerative fuel cell and regenerative fuel cells. According to some of the characteristics of the battery into:...... A high-capacity battery; b maintenance-free battery; c sealed batteries; d burning knot battery; e-proof battery; f button batteries, rectangular batteries, cylindrical cells and so on. Car battery production _ _ Wei Li 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 battery in leadership with the staff warmly welcome all inquiries negotiations to create Wei Li Po battery a better future.