Do you know how you can best start your green life? The #Growatt SPF 3500-5000 ES has the answer, an off-grid PV solution for solar energy generation and battery storage, enabling homeowners to self-supply electricity. This home off-grid solar system supports input voltage up to 450 VDC, powering household loads with or without a battery. While it's compatible with both lead-acid and lithium-ion batteries, the equalization charging function for lead-acid batteries can extend battery life. Use th