A strap, for releasably holding a battery in a predetermined position on a platform having a projecting stud flanking the battery, comprises a stud engaging portion connected integrally with a bar engagable with the battery for traversing and releasably holding the battery in the predetermined position. The stud engaging portion has a section engagable with the projecting stud. The stud engaging portion includes levers for shifting the section between a stud engaging position and a stud releasing position.