Weather Spotter; As far as new installs we have installed over 500 Kwh of Fortress batteries. The price point is extremely competitive and come in large formats.
I also like the Sol-ark. We have installed several. The onboard dual channel MPPT makes for a easy and clean install.
One important issue that needs to be identified. If using Lithium you must insure that the battery is NEVER removed from the Sol-Ark when the chargers are charging hard. If you do, it will blow up the chargers. Sol-Ark now has a warning to this problem (also is a issue for other 600V charge controllers not just Sol-Ark, ask how I know! LOL). So, if the BMS trips the battery offline for some problem when the charger is charging it can kill the onboard charger.
On my system I built a 40f super cap bank that will hold the charger power long enough for the Fets to shut off the charging.
Just a Lithium FYI, or a LA issue if you trip the breaker somehow.
Logan
instagram .com/wlbryce
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