Fox ESS CQ7-M 7.02 kWh HV Master Battery

The Fox ESS CQ7-M is the master module of the CQ7 high-voltage battery system. It holds a 7.02 kWh LFP (LiFePO4) battery module and the system controller that runs the whole CQ7 battery tower, and it talks to the inverter over CAN.

Each CQ7 tower needs one CQ7-M master and at least one CQ7-S slave module. Up to 14 modules can be connected in series, for up to 98.28 kWh per tower. Depth of discharge is 90% and round-trip efficiency is above 95%.

The module is rated IP65 for indoor or outdoor floor-standing installation and has a footprint of 660 x 360 mm. Its recommended charge/discharge current is 50 A, with a maximum of 80 A.