Sparks

Big sparks on the photovoltaic inverter terminal

When you connect an inverter to a battery the capacitors inside the inverter charge very quickly and this causes a spark at the battery terminal. However, many DIY enthusiasts encounter a startling issue – large sparks flying when making the final connection. These sparks aren't just alarming; they can potentially damage equipment. . Scroll to the bottom of any page to find a sun or moon icon to turn dark mode on or off! I want to avoid the spark that happens when I connect my inverter to my batteries. I have seen some people say to use a resistor for a few seconds but I am not sure what wattage or ohm resistor to get. Lots of instructions online for ways to prevent the big spark. My battery would connect using Anderson connectors, id turn on battery, then id turn on inverter.

[PDF Version]