Ecvv Trade
Wuhan Wellsee New Energy Industry Co., Ltd.

China Manufacturer with main products: Solar Controller, Inverter, Charge Inverter, Solar System

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1) Off-grid solar power system;
2) Solar-Mains hybrid intelligent power system (can be divided into Mains supply first and DC supply first).
1)  intelligent control charge function;
2) Inverter function, wide DC voltage to pure sine wave AC voltage;
3) Stable output voltage function, and ensure the accurate pure sine wave voltage;
4) Mains AC Charge function, Solar-Mains hybrid function, make sure the continuous output. 
1) Integrated design , Portable, beautiful, complete functions, economic and practical. Simple installation, the user only need to connect solar panels and batteries to make a solar power system;
2) CPU management, intelligent control, module-composition 
3) LED and LCD display, 
4) Multi-functional equipment that customers no need to purchase controller, charger and voltage regulator.
5) Battery outlaid, can be expanded reserve time. Customers can use the right number of batteries according to local sunshine 
6) Resistance to load ability and Take load ability are strong. It can handle all loads. In addition to various resistive loads, it also can handle various sensitive loads, such as motor, air conditioner, electric drills, electric fluorescent lamp, gas lamp, etc;
7) Perfect protection functions: low voltage protection, high voltage protection,high temperature protection, short circuit protection, overload protection, etc
8) Intelligent three phases charging managements prolong battery life;
9) Pure sine wave power frequency circuit design, stable performance, low failure rate, long lifetime, easy maintenance, general lifetime can reach more than five years.
Rated solar system voltage
Applicable battery types
Lead-acid or gel
Switch control function
A key type switch
LCD Display
Inverter working , inverter protect and inverter charging 
Rated Output Capacity(VA)
Dc voltage protection
Under Voltage Shutoff
Over Voltage Shutoff
Output Wave Form
Pure Sine Wave
Rated AC Output Voltage
Rated AC Output Frequency
50 Hz(±0.2)
Inverter Efficiency
(80% Resistive)
Overload Capacity
Inverter protection
Output overload, Output short circuit, Overheating, Lightning protection
Input voltage rang
maximum charge current
60A(can be chosen )
Max loss of the controller
Controller protection 
Panels reverse connect , short circuit , lightning, Battery overvoltage and undervoltage, Overheating, prevent glance discharge protection
Battery undervoltage protection
21.6V/43.2V (with lead-acid battery, gel battery)shut off discharging
Battery undervoltage recover protection
24.4V/48.8V (same as above)Restore power
Battery overcharge protection
28.6V/57.2V (same as above)shut off charging
Battery overcharge recover protection
27.2V/54.4V ( same as above)restore charging
Work environment
 Ambient Temperature
-20°C ~ +50°C
Relative humidity, no condensation
The highest elevation
5000 m
Insulation intensity
below 40dB
550×428 ×700 mmith battery)
400 ×180 ×320 mm(without battery)
40kg(with battery)
22kg(without battery)

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