Dawan District No.1 carries Ningde era power battery system. There are 144 high-energy density battery packs in the whole ship. The CTP (cell pack) module free technology is adopted. The total electric power is 2520kwh, equivalent to the power of 200 hybrid cars. The battery compartment is located on both sides of the bow bottom cabin. The air conditioner is installed in the cabin to control the temperature at 25 u00b1 2 u2103.