Аварийный бортовой источник питания 7ICP18
Спецификация

Configuration: 2 groups per train, each group of 84;
Battery Type: Nickel-Cadmium battery
Nominal voltage: 100.8V;
Rated capacity: 230Ah;
Equipped with automatic centralized water filling system, the automatic water supply truck can be used to centrally recharge the battery.