Solar is sleeping Albo , cant charge my car., page-57

You obviously need help in working out the economics by yourself, so best you ask someone for help.

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To help get you started:- Cost of solar/battery set up, kW's produced, savings of not purchasing that power from the grid, calculate to give you the payback time. You decide yes or no for your specific circumstances.

Batteries (14kWh) have a 10 year warranty, so if your payback is more than 10 years, then it may not be worth it for you.

Batteries may not be of any use to you if you use all the generated solar power during the day, that is for you to work out.

A 6kW solar system can payback within 4 to 5 years.

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A review of a Tesla battery system:-

“We purchase Tesla battery system after having solar for some time because when the power went out our solar went down and we were without power, Tesla Battery does a great job it has backed up our large house and sheds on Rural Property for up to 4 days at a time during hot summer. we couldn’t be happier with it, Tesla battery was our best investment and has added property value.

https://www.solarquotes.com.au/blog/best-home-batteries-2022/