The single voltage of the battery is 2V, so it depends on the voltage of the total battery ****, if it is 4V, add a spacer in the middle of two, if it is 6V, use two spacers, and so on. The spacer should be installed between the positive terminal of one battery and the negative terminal of the other.
Battery racks are made of iron, aluminum and other metals according to the size of the batteries into racks with specification models. Widely used in industry, but also in the telecom room, medical equipment has an important important. Battery racks are mainly divided into: 2V series battery racks, 12V battery series battery racks, FT series battery racks. This type is the most commonly used battery rack application is more popular