advice 2

[texskeet]

APsystems has anyone used there qsi 4 microinverter is it any good?

What size resister should you use to protect your BMS when hooking up batteries to charger inverter

 

[FilterGuy]

APsystems has anyone used there qsi 4 microinverter is it any good?

I have no experience with it.

What size resister should you use to protect your BMS when hooking up batteries to charger inverter

Almost any value from 10 to 60 ohms will work. I like to use a 25 watt, but you could probably get away with a 5 watt or 10 watt resistor.

FYI: you may want to take a look at this resource:

Inverter Disconnect Switch with Precharge

To get the paper, click on the orange button at the top of this page. This circuit is designed as a disconnect switch that allows the user to pre-charge the inverter capacitors before turning the switch completely on. 26 June 2020 update: At...

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