Monday, February 26, 2024
Home » Toyota Prius » Toyota Prius Electrical Updates » Custom Battery and Inverter Cables for the Win!

After dealing with Power Inverter issues the last few months, I realized I needed thicker custom-made cables and I found them!

June 3, 2023 UPDATE: Stay away from isolators, especially the smart ones. Its as if they are so smart they some how are controlled by the Prius… kid you not, after the third replacement I installed a Victron Cyrix-CT in its place and the system hasn’t run this good ever! Think about them apples!

For my dual battery system running a 2200 Watt Power inverter, I ended up needed specific cables for the job. The below list is the currently installed cables in my system.

  • [3] 0 Gauge (1/0 AWG) Battery Cable UL MTW/THW/SGT Flexible with ends
    Color: Red — Length (hole to hole): 13 in — Connector End #1: 1/4 inch (M6) — Connector End #2: 5/16 inch (M8)
  • [1] 0 Gauge (1/0 AWG) Battery Cable UL MTW/THW/SGT Flexible with ends
    — Color: Red — Length (hole to hole): 14 in — Connector End #1: 1/4 inch (M6) — Connector End #2: No Connector This Side
  • [1]0 Gauge (1/0 AWG) Battery Cable UL MTW/THW/SGT Flexible with ends
    — Color: Black — Length (hole to hole): 14 in — Connector End #1: 1/4 inch (M6) — Connector End #2: No Connector This Side
  • [1] 0 Gauge (1/0 AWG) Extreme Copper Battery Cable with Ends, Terminals, Connectors
    — Color: Red — Length (hole to hole): 30 in — Connector End #1: 1/4 inch (M6) — Connector End #2: 5/16 inch (M8)
  • [1] 0 Gauge (1/0 AWG) Extreme Copper Battery Cable with Ends, Terminals, Connectors
    — Color: Black — Length (hole to hole): 30 in — Connector End #1: 1/4 inch (M6) — Connector End #2: 5/16 inch (M8)
  • [1]0 Gauge (1/0 AWG) Extreme Copper Battery Cable with Ends, Terminals, Connectors
    — Color: Red — Length (hole to hole): 60 in — Connector End #1: 5/16 inch (M8) — Connector End #2: 1/4 inch (M6)
  • [1]0 Gauge (1/0 AWG) Extreme Copper Battery Cable with Ends, Terminals, Connectors
    — Color: Black — Length (hole to hole): 60 in — Connector End #1: 1/4 inch (M6) — Connector End #2: 5/16 inch (M8)
  • [1]1 Gauge (1 AWG) Extreme Copper Battery Cable with Ends, Terminals, Connectors
    — Color: Red — Length (hole to hole): 39 in — Connector End #1: 1/4 inch (M6) — Connector End #2: 1/4 inch (M6)
  • [1]1 Gauge (1 AWG) Extreme Copper Battery Cable with Ends, Terminals, Connectors
    — Color: Black — Length (hole to hole): 39 in — Connector End #1: 1/4 inch (M6) — Connector End #2: 1/4 inch (M6)
  • [2] 90 Degree Bent Lugs – Starter Terminal Connector Corrosion Resistant Copper – Heavy Duty
    Lug Size Option: 0 Gauge 5/16 Bolt

Battery Cables USA is where you should purchase your cables.

The interesting part is that the 1/0 0 gauge wire is thicker than the wire included with my power inverter, the problem occurred when I ran my induction stove on high and clocked 1,642 Watts through my Sonoff S31.

On the image below you can see my current setup using breakers and the fuse block.

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