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eSmart3 series (12V\24V\36V\48V Auto 20A\30A\40A\50A\60A)

◆ It has an efficient MPPT algorithm, MPPT efficiency ≥99.5%,and converter efficiency up to 98%.

◆ Charge mode: three stages (constant current, constant voltage, floating charge), it prolongs service life of the batteries.

◆ Four types of load mode selection: ON/OFF, PV voltage control, Dual Time control, PV+Time control.


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eSmart3 series (12V\24V\36V\48V Auto 20A\30A\40A\50A\60A)


Product color and some functions can be customized (OEM/ODM)


◆ It has an efficient MPPT algorithm, MPPT efficiency ≥99.5%,and converter efficiency up to 98%.

◆ Charge mode: three stages (constant current, constant voltage, floating charge), it prolongs service life of the batteries.

◆ Four types of load mode selection: ON/OFF, PV voltage control, Dual Time control, PV+Time control.

◆ Battery system voltage automatic recognition.

◆ Three kinds of commonly used lead-acid battery (Seal\Gel\Flooded) parameter settings fcan be selected by the user, and the user can also customize the parameters for other battery charging.

◆ It has a current limiting charging function. When the power of PV is too large, the controller automatically keeps the charging power, and the charging current will not exceed the rated value.

◆ High definition LCD display function to check the device running data and working status, also can support modify the controller display parameter.

◆ RS485 communication, we can offer communication protocol to convenient user's integrated management and secondary development.

◆ Support PC software monitoring and WiFi module to realize APP cloud monitoring.

◆ CE, RoHS, FCC certifications approved, we can assist clients to pass various certifications.

◆ 3 years warranty, and 3~10 years extended warranty service also can be provided.


eSmart3 serieseSmart3-20AeSmart3-30AeSmart3-40AeSmart3-50AeSmart3-60A
Product categoryController PropertiesMPPT (maximum power point tracking)
MPPT efficiency≥99.5%
Standby power0.5W~1.2W
System voltageAutomatic recognition
Heat-dissipating methodIntelligent fan cooling
Input CharacteristicsMax.PV input voltage(VOC)DC150V
Start the charge voltage pointBattery voltage + 3V
Low input voltage protection pointBattery voltage + 2V
Over voltage protection pointDC150V
Rated PV power12V system260W390W520W650W780W
24V system520W780W1040W1300W1560W
36V system780W1170W1560W1950W2340W
48V system1040W1560W2080W2600W3120W
Charge CharacteristicsSelectable Battery TypesSealed lead acid, Gel battery, Flooded
(Default Gel battery)(Other types of the batteries also can be defined)
Charge rated current20A30A40A50A60A
Charge Method3-Stage: constant current(fast charging)-constant voltage-floating charge
LOAD CharacteristicsLoad voltageThe same as the battery voltage
Load rated current40A60A
Load control modeOn\Off mode, PV voltage control mode,
Dual-time control mode, PV + Time control mode
Display & CommunicationDisplay modeHigh-definition LCD segment code backlight display

Communication mode8-pin RJ45 port/RS485/support PC software monitoring/
support WiFi module to realize APP cloud monitoring
Other ParametersProtect functionInput-output over \ under voltage protection,
Prevention of connection reverse protection,battery shedding protection etc.
Operation Temperature-20℃~+50℃
Storage Temperature-40℃~+75℃
IP(Ingress protection)IP21
Max. connection size20mm230mm2
Net Weight (kg)2.32.6
Gross Weight (kg)33.5
Product Size(mm)240*168*66270*180*85
Packing Size(mm)289*204*101324*223*135