Zhengzhou Joywithin Outdoor Science Co., Ltd
  • 12/24/36/48V MPPT Solar Charge Controller, 30A-120A for Residential & Commercial Solar Systems
  • 12/24/36/48V MPPT Solar Charge Controller, 30A-120A for Residential & Commercial Solar Systems
  • 12/24/36/48V MPPT Solar Charge Controller, 30A-120A for Residential & Commercial Solar Systems
  • 12/24/36/48V MPPT Solar Charge Controller, 30A-120A for Residential & Commercial Solar Systems
  • 12/24/36/48V MPPT Solar Charge Controller, 30A-120A for Residential & Commercial Solar Systems
  • 12/24/36/48V MPPT Solar Charge Controller, 30A-120A for Residential & Commercial Solar Systems
  • 12/24/36/48V MPPT Solar Charge Controller, 30A-120A for Residential & Commercial Solar Systems
  • 12/24/36/48V MPPT Solar Charge Controller, 30A-120A for Residential & Commercial Solar Systems
  • 12/24/36/48V MPPT Solar Charge Controller, 30A-120A for Residential & Commercial Solar Systems
  • 12/24/36/48V MPPT Solar Charge Controller, 30A-120A for Residential & Commercial Solar Systems

12/24/36/48V MPPT Solar Charge Controller, 30A-120A for Residential & Commercial Solar Systems

This MPPT solar charge controller supports 12/24/36/48V, 30A‑120A, optimising solar charging for residential and commercial solar power systems.

  • Rated Voltage:12V/24V/36V/48V/Auto Identification
  • Rated Charging Current:30A/40A/50A/60A/80A/100A/120A

USD 124

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Product Description

The smart MPPT solar charge controller supports 12V, 24V, 36V, and 48V battery systems with 30A–120A current options. It uses advanced MPPT technology to improve solar charging efficiency and supports LiFePO₄, NCM, lead-acid, and gel batteries. With intelligent charging, multiple protection functions, LCD monitoring, and RS485/RJ45 communication, it is suitable for residential, commercial, RV, and off-grid solar systems.

Key Selling Points

1. Up to 99% MPPT Tracking Efficiency

Maximizes available solar power and improves charging performance.

2. 12V / 24V / 36V / 48V Compatibility

One product family covers multiple battery system voltages.

3. 30A–120A Current Options

Flexible current ratings for different solar system sizes and customer requirements.

4. Multiple Battery Chemistries

Supports LiFePO₄, NCM, lead-acid, and gel batteries.

5. Intelligent Charging Management

Multi-stage charging helps optimize battery charging and support battery life.

6. RS485 & RJ45 Communication

Supports system monitoring, data communication, and integration with other devices.

Product parameters

Parameter

MPPT-40

MPPT-60

MPPT-80

MPPT-100

Rated Charge Current

30A

40A

50A

60A

80A

100A

100A

120A

System voltage

12V/24V/36V/48V Auto

PV maximum input power

12V

390W

520W

650W

780W

1040W

1300W

1300W

1560W

24V

780W

1040W

1300W

1560W

2080W

2600W

2600W

3120W

36V

1170W

1560W

1950W

2340W

3120W

3900W

3900W

4680W

48V

1560W

2080W

2600W

3120W

4160W

5200W

5200W

6240W

Maximum PV open circuit voltage

<150V (at the lowest temperature)
<138V (At normal temperature 25°)

<200V (at the lowest temperature)
<180V (at a standard temperature of 25°)

Rated Discharge Current

20A

30A

40A

40A

MPPT highest accuracy

99%

Maximum charging efficiency

97%

Battery Type

GEL, SLD,FLD and USER(default),Lithium batteries customization
3series 3.7V,4 series 3.7V,4series 3.2V,5series 3.2V

Product size

220×200×83 mm

265×220×88 mm

295×220×100 mm

340×240×108 mm


Choose the Right Model

Current Range

Recommended Application

30A–40A

Small residential and mobile solar systems

50A–60A

Home energy storage and medium-size off-grid systems

80A–100A

Larger residential and commercial systems

120A

Higher-capacity solar and energy storage systems

Product Display






Multi-Battery Compatibility

Supports LiFePO₄, NCM, lead-acid, and gel batteries, providing flexible options for different energy storage systems.






Multiple Protection Functions

Built-in overcurrent, overvoltage, reverse polarity, and low-voltage protection helps improve system safety during operation.







Clear LCD Display

The large LCD screen provides clear system information, while responsive buttons make parameter settings and daily operation easier.






Efficient Aluminum Heat Dissipation

A thickened aluminum heat sink and optimized MOSFET contact design improve heat dissipation and support stable operation at temperatures up to 60°C.







Organized Wiring Design

The concealed wiring area keeps cable connections organized and protected, helping create a cleaner and more convenient installation.


Main Functions

① Button mode

② Temperature compensation

③ Communication port:RS485/RJ45 port/Optional

④ LCD Color display

⑤Forced air cooling

Simple Installation Process

01 — Mount the Controller

Secure the controller to the wall using the supplied screws.

02 — Check System Voltage

Confirm that the battery and PV array voltage are within the controller's operating range.

03 — Disconnect Power

Turn off the battery, PV, and load breakers or remove the fuses.

04 — Connect the Battery

Connect the battery to the designated battery terminals and tighten the terminal screws.

05 — Connect the Load

Connect the load to the load terminals.

06 — Connect the PV Array

Connect the solar panels to the PV input terminals.

07 — Power On the Battery

Turn on the battery breaker or fuse. The controller will power on and display the system status.

08 — Power On the PV System

Turn on the PV breaker or fuse. The controller will automatically begin charging the battery.


Installation Safety Notice

Always disconnect the battery and PV power before installation. Carefully check positive (+) and negative (-) polarity before making electrical connections. Follow the installation instructions to reduce the risk of electrical hazards.

Application Cases

Suitable for residential solar systems, RVs, off-grid power, remote sites, and small commercial solar applications.

Distributor Opportunities

With 12V–48V compatibility, 30A–120A options, and support for multiple battery types, this controller can cover different solar system requirements and customer segments. 


Order & Supply


With an MOQ of 4 units and multiple voltage and current options, the controller is suitable for distributors serving different solar markets. Small initial orders allow flexible inventory planning, while larger quantities can be arranged according to market demand and project requirements.

Contact Us

Email:joywithin-abby@ttbridge.com

Address:No.12 Factory Site, Guohuai Street, Zhengzhou, Henan Province, China

Supplier Information

Company:Zhengzhou Joywithin Outdoor Science Co., Ltd

Tax Id:91410100MAD2QGG93B

Email:joywithin@ttbridge.com

Tel:+86 13673532183

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