Pay in 4 interest-free payments of $450.00 Learn more
Ships within 48 hours · Estimated delivery Aug 30 - Sep 4
1 x ETHOS Rack Base
Delta Max can power heavy-duty devices up to 3400W
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Ensure safety and efficiency with features such as battery disconnect and temperature sensors
this system is primed for expansion
EG4 FlexBOSS21 21kW Split-Phase Hybrid Solar Inverter fortress power battery 1 x ETHOS Rack Base48V Hybrid Inverter 3 MPPT GridBOSS Ready UL 9540 16,000 Watts of Hybrid Power, Built to Scale With EG4's GridBOSS The EG4 FlexBOSS21 is rated for 12,000W of continuous output on its own, rising to 16,000W with solar actively assisting, backed by up to 21,000W of PV input across three MPPT trackers and five solar strings. It works grid tied or fully off grid, integrates directly with EG4's GridBOSS energy management hub, and carries a 10 year
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