| 摘要 |
A battery casing, particularly suitable for a lead acid type battery, comprises a lid having a recess inset into a top surface, at least one vent at the base of the recess through which gas is expelled from the battery, a cover for sealingly covering the recess and defining a gas collection space within the covered recess, guide means for guiding the gas from the collection space away from the battery wherein the cover may be positioned in more than one orientation. |
