The name of this utility model is a lead-acid battery cover with compact double-hole venting structure. It belongs to battery technology field. It aims at solving the problems of existing battery cover - poor venting, and long flow path, causing acid spill...

The title of this utility model is storage battery with venting system which has combined filters. It belongs to the technology field for maintenance free lead acid battery with double layer cover. And it mainly solves the poor venting and insufficient aci...