Hyundai Ioniq: High Voltage Battery System / Description and operation

The High Voltage Battery System provides the hybrid drive motor, HSG, and electric A/C compressor with electric energy and also reserves the electric energy generated during regeneration braking.It consists of the battery pack assembly, BMS ECU, power relay assembly, case, control wiring, cooling fan, and cooling ducts.

This battery is a Lithium ion Polymer Battery (LiPB) and has 64 cells (16 Cells x 4 Modules). The voltage of each cell is 3.75V DC, so the rated voltage of this battery pack is 240V DC.