PowerTech MP3755 Manual de usuario

12V/24V 30A

PWM Solar Charge Controller

for Lithium or SLA Batteries

MP3755

User Manual



Contents



ProductOver:Page3

ProductAppearanceDiagram:Page4

LCDDiagram:Pages5‐8

ProductFunctionSettingsandLCDDiagram:Pages9‐14

ProductSpecifications:Pages15‐18

CertificationandEnvironmentalProtection:Page19

Precautions:Page19

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1.ProductOverview

ThisproductadoptsthelatestPWMcontroltechnologyandintelligentsolar

controllercontrolledbyMCU.ItintegratesWIFIfunctionandallowsviewingthe

workingstatusoftheproductthroughmobileAPP,featuringhighefficiency,lowloss,

smallsize,lightweight,LCDinterface,backlight,andcompleteprotectionfunctions.

Itisthebestchoiceforchargingonboard,domesticandindustrialbatteries.The

producthasthefollowingfeatures.

1.Allowcharging12V/24Vlead‐acidbatteryandlithiumbattery,whichismore

intelligentandsimpletooperate.

2.Adoptintelligent4‐stagechargingmanagement:batterytest;currentlimiting;

constantvoltage;floatvoltage.

3.Integrateavarietyofchargingmodes:AGM;STD;LI.

4.Wrongbatteryprompt,reverseconnectionpromptandprotection,

over‐temperatureprotection,powerfailurememory,shortcircuitprotection,etc.

5.Thebuttonallowsselectingthechargingmode.

6.Theambienttemperatureis‐10~50°C.



2. Product Appearance Diagram

Product Appearance Diagram

Fig. 1: Structure Diagram

A: Solar input connected to the posive electrode, B: Solar input connected to the negave

electrode

C: Baery connected to posive electrode, D: Baery connected to negave electrode

E: Load output posive, F: Load output negave; E. MODE buon

H: LED indicator light, red light on in case of error, ﬂashing green during charging, stay green aer

fully charged.

M, L: USB output interface

J: Menu buon, K: OK buon, I: UP buon, G: DOWN buon

O: External temperature sensing line interface

P: RJ45 handle interface (the handle is an LCD, and the display content is the same as the host

LCD)

Q: LCD

R: Screw ﬁxing posion

To view LCD parameters and set funcons, press the UP/DOWN buon in the

default interface (baery voltage interface) to view the baery charging current;

press the Menu buon once, then press the UP/DOWN buon to view the baery

in turn to view the baery voltage,charging current,load current, solar voltage,

me, and LCD display as follows.



PresstheMenubuttontwiceinthedefaultinterfacetoviewthesolarpanel

voltageandcurrent,andpresstheUP/DOWNbuttontoswitch.

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PresstheMenubuttononceinthedefaultinterfacetoviewtheloadvoltageand

current,andpresstheUP/DOWNbuttontoswitch.



PresstheMenubuttonthreetimesinthedefaultinterfacetoviewthetime.



4.FunctionsettingsandLCDiconsareasfollows:

PressandholdMenufor2secondsinthedefaultstatetoentertheSettingsinterface,

presstheMenubuttonrepeatedlytoswitchtobatterycategorysetting,WIFIswitch

setting,undervoltageprotectionsetting,restartvoltagesettingafterundervoltage,

clocksetting,timerswitchsetting,dawnloadTOmode,anddawnloadLdmode.

Pressthe“OK”buttontoenterdesiredfunction,presstheUP/DOWNbuttontoselect,

andthenpress“OK”toconfirm.

Batterycategorymode

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AboveistheAGMbatterymode.



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