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diy solar

diy solar

Add battery backup to existing solar panel installation.

Sneef

New Member
Joined
Sep 22, 2024
Messages
2
Location
The Villages, FL
I have an existing 25 panel solar array utilizing Q-cell G6+ 340w each with an Enphase IQ Combiner 3 panel. Excess production feeds back into the grid.

I am considering a DIY project by adding battery backup to the system to provide sufficient backup during a power outage to run my 3.5 ton AC system plus a couple of appliances including the refrig/freezer.

I am looking at the Ethos battery module and inverter promoted on YouTube (
)

My power panel is in the garage with sufficient adjacent space to mount the battery equipment.

I would like your help in recommending and sizing a system that is simple and cost effective.
 
I have an existing 25 panel solar array utilizing Q-cell G6+ 340w each with an Enphase IQ Combiner 3 panel. Excess production feeds back into the grid.

I am considering a DIY project by adding battery backup to the system to provide sufficient backup during a power outage to run my 3.5 ton AC system plus a couple of appliances including the refrig/freezer.

I am looking at the Ethos battery module and inverter promoted on YouTube (
)

My power panel is in the garage with sufficient adjacent space to mount the battery equipment.

I would like your help in recommending and sizing a system that is simple and cost effective.
I have an Enphase grid-tie system on my roof. My understanding is that the system MAY only work with Enphase batteries. The Enphase batteries have multiple micro-inverters for converting ac-dc from the grid-tie system to charge the batteries, then dc-ac to put power back into your home.
 
I have an Enphase grid-tie system on my roof. My understanding is that the system MAY only work with Enphase batteries. The Enphase batteries have multiple micro-inverters for converting ac-dc from the grid-tie system to charge the batteries, then dc-ac to put power back into your home.
That makes sense. I'm assuming that I would have to abandon the Enphase system.
 
Ac couple the pv into a sol-ark 15k. Eg4 18kpv may work too. You have a lot of load with the 3.5 ton ac an appliances. Read the threads about adding batteries to enphase. Some inverters control the enphase better than others when the grid is down.
 

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