Changzhou US SORENSEN battery SAL Series SORENSEN Battery Battery price high practical advantages: lower float design application mode the battery life of more than 10 years. Advanced Pb - Sn - Ca - Ag alloy anode, help prevent corrosion of the high pressure valve, greatly increasing the battery internal gas recombination rate (more than 99% at 25 ℃) the unique positive grid expansion capacity, is greatly reduced the possibility of a short circuit bending and vertical plates can be equipped with additional carrying handle, easy to install and transport. All Dorset batteries are manufactured under strict ISO9000 quality control system, the factory 100% quality inspection, 24-hour service. Technical support services provided by the company: The company provides technical services including telephone support and on-site support two, to assist the user equipment failure timely to be resolved to ensure that equipment is reliable, stable operation. A telephone support service A, the user during maintenance, equipment failure occurs due to technical causes, which led to not work, the service request may be made to the Company by telephone. B, maintenance engineers telephone support team with the fastest time in response to user service requirements, to answer questions raised by users, user assistance and guidance to develop solutions. 2, on-site support services A, in the case of telephone support can not properly resolve the problem within 48 hours we will send technical personnel to the scene to help users troubleshoot. B, for the product during the warranty period, the warranty period, we will replace free of charge due to technical problems of raw materials, design and manufacturing processes and quality issues and the failure of the product, and the buyer can not deal with the main issues, free provide replacement service and timely solutions to the problems existing in the product and product repair problems. C, for product warranty expires, upon the buyer's request we provide for any faulty equipment maintenance services, repair bad product in a timely manner to the best price replacement.