UD12548 10KW Off-Grid Low-Frequency Solar Inverter

The UD12548 10KW Low-Frequency Solar Inverter is designed for high-power off-grid residential, marine, and industrial applications. With pure sine wave output, transformer-based design, and MPPT efficiency up to 98%, it provides stable, reliable, and safe AC power for demanding devices and inductive loads.

Equipped with lithium battery wake-up, BMS protocol, adjustable grid start voltage, automatic restart, and multiple communication options, the UD12548 can handle high-power devices such as water pumps, drills, AC units, and heaters, making it ideal for heavy-duty off-grid scenarios.

Key Features

Pure sine wave AC output
MPPT efficiency up to 98% (optional WiFi/GPRS)
Generator auto-start
Adjustable charging & grid start voltages
Low-frequency transformer for robust output
Lithium battery wake-up and automatic restart
BMS protocol support
DC start & automatic self-diagnosis
Overload protection
Lead-acid and lithium battery models
Sustained high-power output for heavy inductive loads

Applications

Large off-grid residential systems
Marine/boat power solutions
Industrial workshops and factories
High surge, high-current applications

Model	UD12548
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	12500VA 10000W
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	48V DC
Battery charging voltage	54.8V 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	100A
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.