Hi Bob,
no ... i am using 48 Volt -> not kW inverters (3xVictron MP2 5000). My consumption is 15kVA max and that is about 300 Amps.
My pack has 2x70qmm for negative and the same for the positive pole. This is quite adequate for the 300 Amps. The pack itself is able to handle 1000 Amps easily...