IP65 Waterproof Grade Pure Sine Wave Solar Inverter SEI Series

Full digital double closed-loop control, combined with advanced SPWM technology to output pure sine wave;
Advanced MPPT technology ensures 99.9% efficiency;
Segmented charging and discharging function;
Backflow prevention and grid connection;
Insulation resistance and leakage current detection;
Lithium battery dual activation function, which can be triggered by mains or PV;
Power saving mode to reduce no-load loss;
Full protection, including overload and short circuit protection, under-voltage and over-voltage protection, and reverse polarity protection;
4 charging modes: Solar Only, Mains Priority, Solar Priority, and Solar&Mains Charging;
2 output modes: mains bypass and inverter output for uninterrupted power supply;
LCD screen and LED indicator design for real-time display of system data and operating status;
ON/OFF switch for AC output control;
Intelligent adjustable speed fan for efficient heat dissipation and extended system life;
IP65 waterproof level for wide application use.


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Parameter

Model	SEI-5.5K-S
Battery Input Parameters
Rated Battery Input Voltage	48V ( Minimum Startup Voltage 44V)
Hybrid Charging Maximum Charging Current	100A
Battery Voltage Range	40Vdc~60Vdc ± 0.6Vdc(Undervoltage Warning/Shutdown Voltage/Overvoltage Warning/Overvoltage Recovery...)
Solar Input Parameters
Maximum PV Open-circuit Voltage	500Vdc
PV Working Voltage Range	120-500Vdc
MPPT Voltage Range	120-450Vdc
Maximum PV Input Current	22A
Maximum PV Input Power	6000W
Maximum PV Charging Current	100A
Mains Input Parameters
Mains Maximum Charging Current	60A
Rated Input Voltage	220/230Vac
Input Voltage Range	UPS Mains Mode：(170Vac~280Vac)土2% APL Generator Mode：(90Vac-280Vac)±2%
Frequency	50Hz/ 60Hz (Automatic Detection)
Mains Charging Efficiency	>95%
Switch Time (bypass and inverter)	10ms(Typical Value)
Maximum Bypass Overload Current	40A
AC Output Parameter
Output Voltage Waveform	Pure Sine Wave
Rated Output Voltage (Vac)	230Vac (200/208/220/240Vac）
Rated Output Power (VA)	5500（4780/4970/5260/5500）
Rated Output Power(W)	5500（4780/4970/5260/5500）
Peak Power	11000VA
On-load Motor Capacity	4HP
Output Frequency Range(Hz)	50Hz土0.3Hz/60Hz±0.3Hz
Maximum Efficiency	>90%
No-load Loss	Non Energy-saving Mode: ≤50W Energy-saving Mode：≤25W (Manual Setup）
Basic Parameters
Certificate	CE(IEC 62109-1)
EMC Certification Level	EN61000
Working Temperature Range	-25°C ~ 55°C
Storage Temperature Range	-25°C ~ 60°C
Humidity Range	0% to 100%
Waterproof Grade	IP65
Size(LWD)	556345182 mm (21.913.67.2 in)
Weight	19.2 kg (42 lbs)

Polinovel Lithium Battery Benefits

High Quality Battery Cells

Adopt top-grade lithium iron phosphate battery cells that offer significant advantages, including improved charging efficiency, zero maintenance and the ability to deep discharge while maintaining power.

Long Cycle Life

Polinovel lithium batteries provide reliable and adequate power for deep cycle use over a long period of time. The extended lifespan makes

the batteries an excellent choice for many applications that require long-lasting power.

Advanced Safety Features

The built-in BMS protects the battery from extreme temperatures, overcharging, over-discharging, and short circuits to ensure

durability and reliability.

Solid Product Warranty

Polinovel is a reputable LFP battery supplier

that offer a reliable warranty that covers the performance and life of the battery products, giving consumers peace of mind knowing that they can trust the quality of Polinovel lithium batteries.

Built-in BMS Protection

Over Charge/Discharge Protection

Monitors the battery voltage and ensures that it does not exceed or fall below a certain value to prevent over charge/discharge.

Temperature Protection

Monitors the temperature of each cell and protects the battery if the temperature exceeds/goes below a preset threshold.

Short Circuit Protection

Interrupts the flow of electricity to prevent any further damage after detecting a short-circuit.

Cell Balancing

Ensures all the cells are kept at the same voltage or SOC and helps to extend the life of the battery.

Polinovel Promises

High-performance Battery Solutions

Our team of experts thoroughly analyzes market needs and actively explores new technologies to create innovative lithium battery solutions. Our lithium ion battery products are manufactured using state-of-the-art technology and strict quality control measures to ensure they offer superior performance and great reliability.

Quality Assurance

As a reliable Li ion battery supplier, we offer products that meet global standards. Our lithium battery products are certified with CE, MSDS, RoHS, and UN38.3 certifications. When you opt for our products, be assured that quality and safety is our utmost concern.

Exceptional Customer Service

Our commitment is to provide excellent customer service from beginning to end. Our team has a wealth of experience and is focused on providing the most satisfying experience for our customers. We offer quick and effective service, whether it's responding to product inquires, assisting with orders, or dealing with technical issues.

On-time Delivery

As an experienced LFP battery supplier in the industry, we have an exceptional supply chain system and fast logistics. We are committed to providing efficient delivery to ensure that our customers receive their orders on time.