Battery cables - 4AWG/25mm for 15kWh battery

conor_mc · 2025-04-06 13:11:54

About to swap out my 5kWh Dyness for a 15kWh Gobel battery. The Gobel came with 1/0AWG / 55mm cables, which are significantly chunkier than the 4AWG/25mm cables currently hooked up to my battery cut-off switch. Just wondering if necessary or advisable to get an electrician to swap them out? Inverter is a Solis 6kW. I’ve…

06-04-2025 02:11PM

#1

conor_mc

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About to swap out my 5kWh Dyness for a 15kWh Gobel battery. The Gobel came with 1/0AWG / 55mm cables, which are significantly chunkier than the 4AWG/25mm cables currently hooked up to my battery cut-off switch. Just wondering if necessary or advisable to get an electrician to swap them out?
Inverter is a Solis 6kW. I’ve got the battery limited to 50A charge/discharge at the moment (so about 2.4 kW) but would probably want to speed up overnight charging in a shorter EV tariff window than I currently have, so maybe 3.5kW/75A-ish to charge 90% in 4 hours.

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#2 06-04-2025 02:25PM

graememk

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25mm2 is fine for the solis, the most it can pull is 100amps

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