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PCU (Power Conditioning Unit) combines solar charge controller + inverter + battery charger into one device. More cost-effective than separate components for integrated solar systems.
MPPT (Maximum Power Point Tracking) tracks optimal solar panel operating point. More efficient than PWM (Pulse Width Modulation). Standard on modern PCUs for better energy harvesting.
Built-in charge controllers handle lithium or lead-acid batteries. Temperature monitoring and over-current protection. Smart load management prevents battery drain during cloudy periods.
Available in 2kW, 3kW, 5kW, 8kW+ ratings. Choose based on total panel wattage and daily load. Popular brands: Genus, Sungrow, Havells, Microtek offer good warranty support.