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Hi, I have a growatt spa3000 hooked up to a Li-Ion battery. I would like to hook up the EPS connection to allow my battery to power my house in the event of a blackout. To do this would I need to do something with contactors to prevent the EPS from being connected directly to the mains or is...

Daft question but what is GINL? Its the only protocol that seems to work properly with my growatt spa3000... Split from hi-jacked thread

Hi, I recently acquired a Li-Ion pack with a Seplos BMS. I've got it talking to the SPA via CAN and it seems to be talking ok. The SOC and voltage are all displaying correctly on the SPA. When set to load first the SPA pulls from the battery fine and works as expected. When the time comes for...

Hi, Currently my spa3000 is hooked up to a big lead acid bank, I intend to upgrade this to lithium ion this week. I can get a pack that has a BMS but the BMS does not have the ability to communicate to the SPA3000, is this an issue? I've tried setting the SPA to lithium mode but it's constantly...

Hi, I bought a couple of used panels this weekend, the rated VOC is 38V. Yesterday in full sun they only got to 29V (obviously open circuit, no load). When I put a load on them, the 250W panels peaked at 140W (using mppt grid tie inverter as load). I'm thinking the panels are bad, would you...

Hi, I have just install an SPA3000 and a large lead acid battery bank. I have no solar. I would like the spa to charge the battery during off peak (00:30-04:30) and discharge the rest of the time to offset my load. What I'm finding is that after a day of power the house really nicely the battery...