Y&H 4.2KW Hybrid Solar Inverter DC24V to AC220V, Built-in 120A MPPT, 6200W 27A PV Input, Batteryless Operation, Dual AC Load Output, Offline Firmware Upgrade,for Home On/Off Grid Energy Storage System
PURE SINE WAVE INVERTER: 4.2KW (4200W) output power with built-in 120A MPPT solar charger, DC24V to AC220V conversion, supports battery-free operation for flexible home energy solutions
ENHANCED SOLAR INPUT: Upgraded 27A PV input current (increased 50% from 18A) supports up to 6200W solar array, MPPT voltage range 60-450Vdc with 500Vdc max open circuit voltage for maximum energy harvesting
DUAL AC OUTPUT DESIGN: Main output delivers 4200W with secondary output 840-2940W, independent load control with adjustable cut-off voltage 20.0-26.0V in 0.1V increments for priority-based power management
ADVANCED BATTERY MANAGEMENT: Enhanced LIB-485 protocol with real-time LCD display of SOC, voltage, current, temperature, and cycle count; supports four charging modes including Utility First, Solar First, Solar & Utility, and Solar & Battery
SMART FEATURES: Offline firmware upgrade via COMM port, intelligent current limiting prevents voltage collapse during solar fluctuations, zero electromagnetic interference for safe operation of sensitive electronics, includes cold start function at 23V
