Guangdong, China
Business Type:
Plant Area:
>2000 square meters
Management System Certification:
ISO 9001, ISO 14001
OEM/ODM Availability:
OEM/ODM Service
Sample Available
Overseas Agent / Branch

MPPT Controller, Solar Charge Controller, PWM Controller manufacturer / supplier in China, offering MPPT 20A 12V/24V/36V/48V Solar Charging Controller (new), 6000W 48VDC to 220VAC Power Inverter with Charger for Air Conditioners Use, Sinusoidal Inverter with Battery Charger for Home Appliance and so on.

Gold Member Since 2014
Audited Supplier
Supplier Homepage Products Solar Charge Controller MPPT 20A 12V/24V/36V/48V Solar Charging Controller (new)

MPPT 20A 12V/24V/36V/48V Solar Charging Controller (new)

Get Latest Price
Min. Order / Reference FOB Price
5 Pieces US $58/ Piece
Port: Shenzhen, China
Production Capacity: 3000PCS/Month
Payment Terms: L/C, T/T, Western Union, Money Gram
Condition: New
Certification: ISO, CE
Application: Collector Controller, Water Heater Controller, Solar System Controller, Charger Controller, Wind Controller, Solar Working Station, Voltage Controller, Thermal Controller
Rated Voltage: 12/24/36/48VDC Auto Detect
Maximum PV Input Voltage: 130V
Transport Package: Carton/Pallet

You Might Also Like


Basic Info

Model NO.: SMART3 20A
Specification: 480*330*345
Origin: China
HS Code: 8537109090

Product Description

  1. High efficiency MPPT control algorithm, MPPT efficiency ≥99.5%, whole Machine conversion efficiency upto 98%;
  2. Charge mode: three stages (fast charge, constant charge, floating charge), improve boost voltage charge(activate the battery performance), it prolongs service life of the batteries;
  3. Discharge mode: ON/OFF mode, PV voltage control mode, Dual Time control mode, PV&Time control mode;
  4. Customers can choose battery types: (Flooded, Sealed lead acid, Gel battery) charging, Other types of the batteries can also be defined;
  5. Most information could be provide by LCD like: System type, PV input voltage, PV input current, Day/Month/Total generated energy, battery type, battery voltage, charging current, charging power, Load current, Load power and so on;
  6. RS485 communication, we can offer communication protocol also, it's convenient for user's integration management.
  7. CE, RoHS, FCC certifications approved. We can help clients to approve other certifications.
  8. 2 years warranty.And 3~10 years extended warranty service also can be provided.


MPPT controller20A30A40A
Charge modeMPPT(maximum power point tracking)
Charge methodThree stages: constant current(MPPT),
constant voltage,floating charge
System typeDC12V/24V/36V/48VAutomatic recognition
System voltage12V systemDC9V~DC15V
24V systemDC18V~DC30V
36V systemDC32V~DC40V
48V systemDC42V~DC60V
MPPT efficiency≥99.5%
Input Characteristics
Max. PV input voltage(VOC)12V/24V/36V/48V systemDC130V
Start the charge voltage point12V/24V/36V/48V systemHigher than current battery voltage 3V
Low input voltage
protection point
12V/24V/36V/48V systemHigher than current battery voltage 1V
Over voltage protection point12V/24V/36V/48V systemDC130V
High voltage recovery point12V/24V/36V/48V systemDC125V
Rated PV power12V system260W390W520W
24V system520W780W1040W
36V system780W1170W1560W
48V system1040W1560W2080W
Charge Characteristics
Selectable Battery  Types
(Default Gel
12V/24V/36V/48V systemFlooded, Sealed lead acid, Gel battery
(Other types of the batteries also can be defined)
Constant Voltage12V/24V/36V/48V systemPlease check the charge voltage according to the battery type form.
Floating Voltage12V/24V/36V/48V system
Rated charge Current12V/24V/36V/48V system20A30A40A
12V/24V/36V/48V system25A34A45A
Temperature Factor12V/24V/36V/48V system±0.02%/ºC
Temperature Compensation12V/24V/36V/48V system-3mV/ºC/2V (default)
Output Ripples(peak)12V/24V/36V/48V system200mV
Output Voltage Stability
12V/24V/36V/48V system≤±1.5%
Output Discharge Characteristics
Output voltageBase on battery voltage
Low voltage output
Protection point
Default 10.5V; Recovery 11V; It can be adjustable.
Load rated current20A30A40A
The output controlOn mode, Off mode, PV voltage control mode
Output control set modeController button or PC software
LCD displaySystem type, PV voltage, Charge voltage, Charge current, Charge power, temperature etc.
PC softwareRS485
Low voltage input protectionyes
Over voltage input protectionyes
Over charge power protectionyes
Low voltage output protectionyes
Rated output current protectionyes
Temperature protectionyes
Other Parameters
Thermal heat-dissipating methodFans cooling
Measurement DxWxH(mm)240*168*66
Package size DxWxH(mm)289*204*101
Mechanical ProtectionIP25
Humidity0~90%RH ( no condense)
Operating Temperature-20ºC ~ +50ºC
Storage Temperature-40ºC ~ +75ºC
Atmospheric Pressure70~106kPa

Connection of the PV Power System
MPPT 20A 12V/24V/36V/48V Solar Charging Controller (new)

Send your message to this supplier

avatar Ms. Betty

Enter between 20 to 4,000 characters.

This is not what you are looking for? Post a Sourcing Request Now