TVH brand. App® battery connector din a320 a32504-10c9 female connector 4/0 socket contacts, 4 aux & handle utilizes the din 43589-1 form factor, which has been specially configured for north american fast charging systems - awg/mm contacts & tooling - up to 4 auxiliary contacts - can be used for battery monitoring & charging - low mating forces - connectors can be mated & unmated without the necessity of added hardware - hexagonal voltage key for 24, 36, 48, 72, 80 & 96v - key prevents mating of different operating voltages - 'a' series connectors are for American wire gauge cable