UD1524 1200W Off-Grid Low-Frequency Solar Inverter | High Load Capacity MPPT Inverter

The UD1524 1200W Low-Frequency Solar Inverter is a high-performance off-grid inverter designed for residential solar systems, marine applications, and small industrial loads. Featuring pure sine wave output, transformer-based design, and high-efficiency MPPT charging up to 98%, it provides stable and reliable AC power for sensitive and high-demand devices.

Equipped with lithium battery wake-up functionality, adjustable grid start voltage, automatic restart, BMS protocol support, and multiple communication options, the UD1524 ensures safe, efficient, and intelligent energy management for both lead-acid and lithium batteries. It can sustain high power loads including drills, water pumps, air conditioners, and heaters, making it ideal for off-grid environments and high-current applications.

Key Features

Pure sine wave output for sensitive electronics
Optional WiFi/GPRS MPPT, efficiency up to 98%
Generator auto-start support
Adjustable charging current and grid start voltage
Low-frequency ring transformer for stable high-load output
Lithium battery wake-up and automatic restart
BMS protocol support
DC start and automatic self-diagnosis
Overload protection
Supports lead-acid and lithium battery types
Sustained high-power output for drills, water pumps, AC, and heaters

Applications

Residential off-grid solar systems
Marine/boat power systems
Small industrial and high-power equipment
High surge current applications

Model	UD1524
Input voltage	220V AC/110V AC
Input voltage range	220V:154-264V±3V AC(Normal Mode) 185V-264V±3V AC(UPS Model) 110V:77-132V±3V AC(Normal Mode) 92V-132V±3V AC(UPS Model)
Input Frequency	50/60Hz±5%
Out put power	1500VA 1200W
AC model output Voltage	The output voltage under the mains is thesame as the input voltage
AC model outout frequency	The output frequency under the mains is the same asthe inputfrequency
Battery model output voltage	220V AV +10%
Battery model output frequency	50Hz or 60Hz+1%
Battery model output wave	Pure sine wave
Battery type	External lead-acid battery,Gel battery.water battery or Lithium battery
Battery voltage	12V DC
Battery charging voltage	27.4V DC
Maximum PV array power	24V:1600W
Solar input voltage range	12V:PWM 15V-50V DC 24V:PWM 30V-105V DC
Maximum PV Display open Circuit Voltage	12V:PWM 5OV DC 24V: PWM 105V DC
Maximum solar charging current	60A
Maximum AC Charge Current	20A
Transfer time	s10ms(UPS)/s20ms(INV)
load peak ratio	(MAX)3:1
Operating temperature	0°C~40°C
Relative temperature	-10°C~90°C no condensation
Noise	<45db

Power Frequency Toroidal Transformer Design

Innovative design in the inverter industry featuring a power frequency toroidal transformer
Parallel expansion capability with low no-load loss, less than half of the high-frequency inverter of the same power
Strong anti-interference ability and large overload capacity

Wide Application

Continuous High-Power Output: Guarantees reliable performance for all your devices.
Broad Compatibility: Works with a wide range of appliances, including air conditioners, water heaters, rice cookers, lighting, and electric kettles.
Essential Home Power: Ideal for ensuring the smooth operation of your devices in any environment.

Lithium Battery Wake-up Function

Automatic Lithium Battery Start-up: Powers on seamlessly from the battery.
Smart & Safe Charging: Designed for safety and peace of mind.
Zero Activation Required: Fully operational for immediate use after charging.
Hands-Off Recovery: Automatically detects power restoration, charges, and reboots.