I am installing a 2500 watt pure sine wave inverter in my Ram Promaster 3500. I am using 2 12v AGM batteries connected in parallel for power. The power cables will be about 5'. I am running a 1500 watt microwave/convection oven on the inverter. I will be using 2/0 copper cable. Can I ground the battery to the chassis with the 2/0 cable in addition to the existing ground cable? The 2/0 ground cable could be 18" whereas the existing 1AWG ground cable is 6' and has numerous other cables grounded at the same terminal on the chassis. Should I solder or crimp the lugs on the cables? Thanks for adding some expertise to my project!
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