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Wiser3 series (12V\24V Auto 15A\20A\30A\40A\50A)

◆ 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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Wiser3 series (12V\24V Auto 15A\20A\30A\40A\50A)

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.

◆ Natural cooling design is adopted to improve the reliability of the product and prolong the service life of the product.

◆ The input and output of all kinds of protection functions are complete to protect the system.

◆ The use of high strength plastic shell design makes the shape beautiful, and the effective reduction of the product weight can save the transportation cost.

◆ Equipped with 5V3A USB dual output power supply function, support mobile phone and tablet charging products etc..

◆ 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.


Wiser3-seriesWiser3-15AWiser3-20AWiser3-30AWiser3-40AWiser3-50A
Product categoryController PropertiesMPPT (maximum power point tracking)
MPPT efficiency≥99.5%
Standby power0.5W~1.2W
System voltageAutomatic recognition
Heat-dissipating methodIntelligent fan cooling
InputMax.PV input voltage(VOC)DC100VDC150V
Start the charge voltage pointBattery voltage + 3V
Low input voltage protection pointBattery voltage + 2V
Over voltage protection pointDC100VDC150V
Rated PV power12V system195W260W390W520W650W
24V system390W520W780W1040W1300W
Charge CharacteristicsSelectable Battery TypesSealed lead acid, Gel battery, Flooded
(Default Gel battery)(Other types of the batteries also can be defined)
Charge rated current15A20A30A40A50A
Charge Method3-Stage: constant current(fast charging)-constant voltage-floating charge
LOAD CharacteristicsLoad voltageThe same as the battery voltage
Load rated current20A50A
Load control modeOn\Off mode, PV voltage control mode,
Dual-time control mode, PV + Time control mode
Display &Display 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)IP43
Max. connection size12mm230mm2
Net Weight (kg)0.831.65
Gross Weight (kg)11.95
Product Size(mm)200*110*68243*155*80
Packing Size(mm)250*145*105290*190*113