密封铅酸蓄电池：按应用可分为：电动车用铅酸蓄电池、铁路用铅酸蓄电池、通讯及电力用铅酸蓄电池。电动车用铅酸蓄电池采用极柱密封结构，新型栅板合金、高效活性物质配方、多阶段低电流化成工艺。电池特点：具有较高的充电接受能力和大电流放电能力；体积比能量和重量比能量与同等规格的电池比较高出10%~30%。铁路用铅酸蓄电池采用新型隔板、专利的单体连接方式、平衡电解液体系，使电池具有以下方面的特点：适应温度范围广，优异的起动性能，深度放电后恢复能力强，自放电率低，搁置寿命长。通信及电力用铅酸蓄电池采用铅钙多元合金，加长了使用寿命；独立单元式板栅结构，阻止板栅膨胀；独特安全阀结构设计，气体密封反应效率高 Maintenance-Free Sealed Lead Acid Rechargeable Batteries can be applied in electrical vehicles, railroad, and communications electric power. Lead Acid Batteries for electrical vehicles, use sealed terminal structure, new type grid alloy, high efficient active materials, and multi-phases low current formation process. And the battery has the characteristics of high charging acceptance, high discharge current, and 10%~30% higher specific energy for both weight and volume comparing with the same products of other companies. We use new type of grid, patent single cell connection method, balanced electrolyte system to the lead acid batteries used for railroad. So that the battery can be applied in a large temperature range, the excellent starting capability, the strong resuming ability after discharging, the low self discharge rate, the long deposited life. We use the Pb-Ca alloy to the lead acid batteries used for communications and electric power, increase the using life, prevent the grid from expanding by the absolute unit grid; after using particular safety valve, increase the gas response efficiency in the sealed condition.