By adding a Sunsynk bidirectional inverter to an existing string inverter system that is exporting power then the export power can be diverted to the Sunsynk batteries and used as power averaging thus saving money.
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By adding a Sunsynk bidirectional inverter to an existing string inverter system that is exporting power then the export power can be diverted to the Sunsynk batteries and used as power averaging thus saving money.
How do you get the battery to charge when coupled with an existing grid tie inverter that would otherwise be exporting ?
I use my battery continuously during the day to ensure sufficient power. I rarely if ever use municipal power. I always ensure by late afternoon the battery cannot discharge to an 80% level, usually closer to 100%. At current charge/discharge cycling rate I estimate that the batteries will easily reach 10 - 13 years of service life. My batteries only charge with the sun.