Someone just send me pics of this installation. I like the look of this. The installer says this is the latest competition for the Goodwe inverters.  

Inverter on top and 2 x 5.7kwh LFP's below it. (max bank size is 34.2 kwh)

Although the manufacturers claim >6000 cycles at 90% the Product warranty is 5 years and performance warranty 10. 

Something wrong with that maths  imo.  6000 cycles @ 1 Cycle per day is 16.4 years. (on a 5 year warranty)

 

11 minutes ago, Jaco de Jongh said:

Something wrong with that maths  imo.  6000 cycles @ 1 Cycle per day is 16.4 years. (on a 5 year warranty)

Don't confuse warranty with expected lifetime. A Toyota Land cruiser has a 5-year warranty but they last 20. Warranties are marketing tools. They estimate beforehand what their risk vs reward ratio is (small print can help you exclude many potential claims for example) and come up with a number that yields an acceptably low come-back rate 🙂

Also, they might be catering for people who will cycle it more than once a day.

The performance guarantee is more interesting. I wonder if they use the standard EOL of 80%, or if they have a different number. What the performance guarantee says is it won't lose more than 20% (assuming standard EOL method) in 10 years.

12 minutes ago, plonkster said:

Don't confuse warranty with expected lifetime.

I dont, it just doesn't look right. My product is designed for and industry that will typically cycle it once a day, in country's where the sun shines once a day for 6000 days, I do promise it will have 80% of its power left after 10 years, but only if it makes it past the 5 year product warranty period. 

12 minutes ago, plonkster said:

Also, they might be catering for people who will cycle it more than once a day.

I always wondered about his part. It will only makes sense where you have peak daily rates and is cheaper to charge during low rates and use during peak rate times. Or can you tell me of another reason to cycle more than one time per day? 

With such a nice uncluttered neat installation, I would also SMILE😃

On 2019/08/01 at 11:26 AM, Jaco de Jongh said:

Although the manufacturers claim >6000 cycles at 90% the Product warranty is 5 years and performance warranty 10. 

Something wrong with that maths  imo.  6000 cycles @ 1 Cycle per day is 16.4 years. (on a 5 year warranty)

@Jaco de Jongh hahahaha, go check Rubicon new Lithium batteries and there cycle. Head scratching when you see that numbers.  

On 2019/08/01 at 11:26 AM, Jaco de Jongh said:

The installer says this is the latest competition for the Goodwe inverters.

I think those Goodwe inverters with another casing stuck on, I won't be surprised if Goodwe is a rebrand of Alpha or the other way around, did you see their Storion range? It's got a physical Goodwe in that gets installed into the Storion cabinet, they don't even try to hide the Goodwe by sticking another brand name on. And all the batteries across the ranges have similar connection boxes and terminals than the Goodwe inverter.

The battery warranty on this system is 10 years. The inverter is 5 years.

I'm looking at supplying one of these. any comments from those who have experience with it?

Does anyone have any installation/configuration experience with one of these yet? A friend helped someone install one, but the battery is not charging and the manual is of zero help.