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This series controller is a PWM charge controller with built in LCD that adopts the most advanced digital technique. The multiple load control modes enable it can be widely used on solar off grid system, traffic signal, solar street light, etc.
1) System voltage of battery 12V/24V or 12V/24V/36V/48V automatic recognition;
2) Intelligent 4 stages PWM charging: Bulk, Absorption, Equalize, Float;
3)LCD display with Back-lighting shows device’s operating data and working condition;
4)Humanized simple button operation; Adjustable charge-discharge control parameters;
5)Support more kinds of battery: Lead-acid battery (Sealed, Gel, Flooded) and Lithium battery (LiCoMnNiO2, LiFePO4);
6)Multiple load control modes: 24Hours Working Control, Light Control, Light and Dual Time Control;
7)Automatic temperature compensation and accumulated function of charge and discharge KWH;
8)Double USB output 5V/2A;
9) Perfect electronic protections.

NOTE:
1) After connected with Battery, LCD will go into an interface that automatically recognizes the battery voltage level, 3 seconds later, it will enter to the main interface of LCD;
2) Equalizing charge will be after every 90 times Floating charge, or one charge in three months;
3) Default maximum charging current of Lithium battery is 5A, but it can be adjusted by users within the rated current range.
4) Under the interface of Accumulated KWH, long press button “+” to clear the value;
5) When no operation 30S,the interface will be back to main interface,and back-light will be turned off.
Under the interface of battery types, long press button “+” into the type setting, then short press button “+” or “-” to choose battery type, and then long press “+” again to save and exit.
Icon | Battery Type |
SLD | Sealed Battery (Default) |
GEL | Gel Battery |
FLD | Flooded Battery |
USE1 | Lead-Acid Battery (User-defined) |
3.2-4 | LiFePO4: 3.2V-4S /8S /12S /16S |
3.2-5 | LiFePO4: 3.2V-5S /10S /15S /20S |
3.7-3 | LiCoMnNiO2: 3.7V-3S /6S /9S /12S |
3.7-4 | LiCoMnNiO2: 3.7V-4S /8S /12S /16S |
USE2 | Lithium Battery (User-defined) |
3-5. Battery voltage automatic identification range:
Battery Types | Lead-Acid Battery | Lithium Battery | |||
LiFePO4 3.2V-4 | LiFePO4 3.2V-5 | LiCoMnNiO2 3.7V-3 | LiCoMnNiO2 3.7V-4 | ||
12V System | ≤17.6V | ≤18V | ≤22.5V | ≤15.9V | ≤21.2V |
24V System | ≤29.9V | ≤30.4V | ≤38V | ≤26.9V | ≤35.8V |
36V System | ≤42.1V | ≤42.8V | ≤53.5V | ≤37.8V | ≤50.4V |
48V System | >42.1V | >42.8V | >53.5V | >37.8V | >50.4V |
3-6. Control parameters of Lead-acid battery:
Lead-Acid Battery Types | SLD | GEL | FLD | ||||||||||
Battery Voltage Level | 12V | 24V | 36V | 48V | 12V | 24V | 36V | 48V | 12V | 24V | 36V | 48V | |
Float Charging Voltage | 13.8V | 27.6V | 41.4V | 55.2V | 13.8V | 27.6V | 41.4V | 55.2V | 13.8V | 27.6V | 41.4V | 55.2V | |
Absorption Charging Voltage | 14.4V | 28.8V | 43.2V | 57.6V | 14.2V | 28.4V | 42.6V | 56.8V | 14.6V | 29.2V | 43.8V | 58.4V | |
Equalizing Charging Voltage | 14.6V | 29.2V | 43.8V | 58.4V | NO | 14.8V | 29.6V | 44.4V | 59.2V | ||||
Charging time of Absorption/Equalizing | 2 Hours | ||||||||||||
3-7. Control parameters of Lithium battery:
Lithium Battery Type | LiFePO4 | |||||||
Icon | 3.2-4 | 3.2-5 | ||||||
Battery Serial Number | 4S | 8S | 12S | 16S | 5S | 10S | 15S | 20S |
Recovery Charging Voltage | 13.6V | 27.2V | 40.8V | 54.4V | 17V | 34V | 51V | 68V |
Constant Charging Voltage | 14.4V | 28.8V | 43.2V | 57.6V | 18V | 36V | 54V | 72V |
Stop Charging Current | 0.1A | 0.1A | ||||||
Low Voltage Disconnection | 11.2V | 22.4V | 33.6V | 44.8V | 14V | 28V | 42V | 56V |
Low Voltage Re-connection | 12.8V | 25.6V | 38.4V | 51.2V | 16V | 32V | 48V | 64V |
Load Over-Voltage Disconnection | 18.5V | 37V | 55.5V | 74V | 18.5V | 37V | 55.5V | 74V |
Load Over-Voltage Re-connection | 18V | 36V | 54V | 72V | 18V | 36V | 54V | 72V |
Lithium Battery Type | LiCoMnNiO2 | |||||||
Icon | 3.7-3 | 3.7-4 | ||||||
Battery Serial Number | 3S | 6S | 9S | 12S | 4S | 8S | 12S | 16S |
Recovery Charging Voltage | 12V | 24V | 36V | 48V | 16V | 32V | 48V | 64V |
Constant Charging Voltage | 12.6V | 25.2V | 37.8V | 50.4V | 16.8V | 33.6V | 50.4V | 67.2V |
Stop Charging Current | 0.1A | 0.1A | ||||||
Low Voltage Disconnection | 9.9V | 19.8V | 29.7V | 39.6V | 13.2V | 26.4V | 39.6V | 52.8V |
Low Voltage Re-connection | 11.1V | 22.2V | 33.3V | 44.4V | 14.8V | 29.6V | 44.4V | 59.2V |
Load Over-Voltage Disconnection | 18.5V | 37V | 55.5V | 74V | 18.5V | 37V | 55.5V | 74V |
Load Over-Voltage Re-connection | 18V | 36V | 54V | 72V | 18V | 36V | 54V | 72V |
Error Code | Cause | Solution |
E01 | Battery Low-Voltage | Recharging the battery or change a new one. |
E02 | Load Over-Load | Check the loads connection or reduce the electric equipment. |
E03 | Load Short-Circuit |
|
E04 | Load Over-Voltage |
|
E05 | Solar Panel Over-Current | Check the power of solar panel or reduce the solar panel. |
Max Current | 10A/20A | 30A/40A | 50A/60A | 80A | |
Battery Voltage | 12V/24V Auto | 12V/24V/36V/48V Auto | |||
Max PV Open Circuit Voltage | 100V | ||||
Self-consumption | ≤30mA | ||||
Loop Voltage Drop | ≤0.3V | ||||
USB Output | 5V/2A *2 | ||||
Temperature Compensation | -4mV/℃/2V (25℃) | ||||
Operating Temperature | -20℃~+50℃ | ||||
Protection Category | IP32 | ||||
Humidity | 95%, no-condensing | ||||
Terminals | 8AWG/10mm² | 6AWG/16mm² | 4AWG/25mm² | ||
Mounting Hole Size | 137*52mm-Φ6mm | 177*60mm-Φ5mm | 190*104mm-Φ5mm | ||
Dimension | 147*82*36mm | 187*96*47mm | 200*132*61mm | 200*132*62mm | |
Weight | 0.22KG | 0.19KG | 0.4KG | 0.73KG | 0.79KG |



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