Power inverters for home use in South Africa roundup - February 2023

I refuse to sell anything except for sunsynk in domestic environment. When you spending that money and want 10 years buy the right thing

The Axpert are a load of crap compared to sunsynk but what do you expect from a mecer/rct/Kodak. Worked with the lot
 
Sunsynk + Sunsynk batteries for the 10 year warranties seems like a better and better deal every day.
 
I've heard and seen the opposite. Would be curious to know what you experienced .
Already explained further down that same page.
I also forgot to mention they wouldn't honour a replacement under warranty but they offed a discounted price on a new one but wouldn't refund any money when told i'd already purchased a replacement from them.
Current Automation - skelm
 
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Multi II 5kva goes pop & they wouldn't honour any warranty/replacement on it siting "possible power surge"
I say cool, where's any proof of that - heres the logs where's any sign of this surge? - nada response to that.
Nothing else in the house blew either.

Took it up with Victron direct after that - they never looked into it & just fell back to the distributors decision.
Will be a Sunsyk buy if i have to again.
Surely that's more of a distributor problem than a Victron problem, though?
 
I refuse to sell anything except for sunsynk in domestic environment. When you spending that money and want 10 years buy the right thing

The Axpert are a load of crap compared to sunsynk but what do you expect from a mecer/rct/Kodak. Worked with the lot

What makes the axperts so bad? They seem to be really popular and lots of people have had them for years with no issues. Only asking cos i'm in the market for an inverter and considering an axpert.
 
What makes the axperts so bad? They seem to be really popular and lots of people have had them for years with no issues. Only asking cos i'm in the market for an inverter and considering an axpert.
My biggest issues with the Axpert type inverter is that it doesn't work on battery BMS SOC (State of Charge) but rather voltage which is a poor proxy for charge. Even the ones with BMS connectivity still use voltage as a SOC. The other issues are the cryptic codes used to configure the devices and the poor reporting.
 
What makes the axperts so bad? They seem to be really popular and lots of people have had them for years with no issues. Only asking cos i'm in the market for an inverter and considering an axpert.
They are not bad per-se - they are just limited in functionality and some use much lower quality components
 
What makes the axperts so bad? They seem to be really popular and lots of people have had them for years with no issues. Only asking cos i'm in the market for an inverter and considering an axpert.
They don't blend power so when your load is more than what PV can provide, it cuts off PV and uses grid or battery therefore wasting solar afaik.
 
My biggest issues with the Axpert type inverter is that it doesn't work on battery BMS SOC (State of Charge) but rather voltage which is a poor proxy for charge. Even the ones with BMS connectivity still use voltage as a SOC. The other issues are the cryptic codes used to configure the devices and the poor reporting.

Sorry, I'm pretty new to all this stuff. Does that mean that the inverter could potentially over or under charge the batteries since it can't tell the battery's charge level correctly?
 
Sorry, I'm pretty new to all this stuff. Does that mean that the inverter could potentially over or under charge the batteries since it can't tell the battery's charge level correctly?
No, the low voltage cut off might kick in early if there is a big load dropping the voltage below the set point.
 
What makes the axperts so bad? They seem to be really popular and lots of people have had them for years with no issues. Only asking cos i'm in the market for an inverter and considering an axpert.
On a tight budget, they are fine inverters tbh
 
Yes you correct, I still prefer the bms to handle the cut off.
Why, in most cases you can't change the bms settings anyway, so rather use the inverter settings that you can customise. If you use the bms cut off, then you might not be able to turn on the inverter as it might not see a battery and you'll need to do the jump start thing.
 
Why, in most cases you can't change the bms settings anyway, so rather use the inverter settings that you can customise. If you use the bms cut off, then you might not be able to turn on the inverter as it might not see a battery and you'll need to do the jump start thing.
I never had an issue with my pylontech.
 
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