The company develops and designs, the design, the production valve control sealing type is not to maintain the lead-acid battery, the rubber battery, the motorcycle battery, the lithium battery, the phosphate iron lithium battery, the charger and so on. The product voltage includes: 2V, 3.2 V, 3.7 V, 4V, 6V, 8V, 12V, 24V, 36V, 48V, 52V, 60V, 72V, etc. Capacitance: 0.1-3000ah. The product has the advantages of high capacity, small volume, light weight, long life, low self-discharge, etc., with an annual output of 30 million.