you are spot on, my complete bad.So to put it in rough terms, each batt would be asked of 75 watt maximum.
I am presuming the RX300 cuts off at 3 volts, and if it does, that means at 300 watts it would be asking 23.4 amps per battery.
So yeah, Excuse my last post, HG2, 30Q or VTC6 are...