This part of 60952 defines the physical design, construction and material requirements for nickel-cadmium and lead-acid aircraft batteries containing vented or valve-regulated cells or monoblocs. The batteries are used for both general purposes and specific aerospace applications. The specific topics addressed in this part serve to establish acceptable quality standards required to qualify a battery as airworthy and are divided into two classes (class I and II) as defined in Clause 3 of 60952-1. A preferred range of aircraft batteries is specified in Annex A, but this part of IEC 6092 may be used for other battery sizes, arrangements and ratings. For particular applications, other design requirements may be stipulated. These will be addition to the requirements of this part and will be covered by specific documents.