Are you looking for the best solar charge controllers for your renewable energy needs? China is a hub for top-notch solar charge controller manufacturers. Let’s dive into the top factories in China, comparing their products, certifications, and what sets them apart in the solar energy market.

MPPT Lifepo4 Solar Charge Controller China Manufacturer

Product Details: The MPPT Solar Charge Controller supports various system voltages including 12V, 24V, 36V, 48V, 72V, and 96V. It has a maximum PV array open circuit voltage of 170V for 12V-48V systems and 230V for 48V-96V systems. The controller uses advanced MPPT technology with a conversion efficiency of up to 99%. It is compatible with sealed lead acid, gel, NiCd, and LiFePO4 lithium batteries. The controller features three-stage charging (fast charge, constant charge, floating charge) and has smart fans for cooling. It also includes an LCD display showing solar power, load level, battery voltage/capacity, and charging current. The controller supports RS485

communication and has a soft start time of ≤10s.

Pros:
– High MPPT conversion efficiency of up to 99%
– Automatic recognition and support for various system voltages (12V, 24V, 36V, 48…
– Compatibility with multiple battery types including LiFePO4 lithium batteries
– Three-stage charging to prolong battery life
– Smart fans for efficient cooling
– LCD display for monitoring key parameters
– Support for RS485 communication

Cons:
– Complex user settings may require technical knowledge (e.g., boost time, low vol…
– Customer support may be limited for specific settings as reported by some users
– Higher cost compared to simpler charge controllers

China PWM Solar Charge Controller Manufacturer

Product Details: The PWM Solar Charge Controllers from Hinergy, such as the KLD Series, feature automatic identification of 12V/24V battery voltage. They include an LCD display and a USB output of 5V 3A. These controllers utilize fully 4-stage PWM charge management, making them easy to operate. Additional features include one-key setting and an auto memory function. The controllers also provide overloading and short-circuit protection, as well as reverse discharging and reverse-polarity protection[3][4][5].

Pros:
– Automatic identification of 12V/24V battery voltage
– LCD display for easy monitoring
– USB output of 5V 3A
– Fully 4-stage PWM charge management
– One-key setting and auto memory function
– Overloading and short-circuit protection
– Reverse discharging and reverse-polarity protection
– Easy to operate

Cons:
– No temperature compensation mentioned
– Limited solar input voltage (up to 42V for some models)[2] – No MPPT efficiency, which might be less efficient compared to MPPT controllers[1…

Solar Charge Controllers Manufacturers from China

New Smart MPPT Charge Controller For Solar System

Product Details: The MPJ Series MPPT Solar Charge Controller combines DC/DC converting technology and MCU technology for high efficiency and accuracy. It supports multi-stage charging (MPPT, Absorption, Float, Equalization, CV) and has a maximum charging efficiency of 97%. The controller is compatible with various battery types, including lithium, GEL, SLD, and FLD. It features an LCD display with backlight, RS485 communication, and high current copper terminals. The controller has eight protection functions, including overcurrent, short circuit, and reverse protection. It operates within a temperature range of -20 to +55°C and humidity up to 90% without condensation.

Pros:
– High accuracy and efficiency with 99% MPPT accuracy and 97% maximum charging eff…
– Multi-stage charging mode (MPPT, Absorption, Float, Equalization, CV) for optima…
– Compatible with various battery types including lithium, GEL, SLD, and FLD
– Intelligent human-computer interaction display for easy parameter settings
– Eight protection functions for system stability and safety
– RS485 communication system for data transmission

Cons:
– Operating temperature range is limited to -20 to +55°C, requiring derating if ex…
– No detailed warranty information provided on the product page
– Storage temperature range is broad but requires careful handling to avoid damage

10A 20A 30A 12V 24V Intelligent PWM Solar Charge …

Product Details: The 10A 20A 30A 12V 24V Intelligent PWM Solar Charge Controller by RISIN is designed for solar PV systems and lighting control. It supports 12V/24V auto adaptation, with current ratings of 10A, 20A, 30A, 40A, 50A, and 60A. The maximum PV power is 1500W, and the maximum PV voltage is 50V. It is suitable for lead acid batteries, including open, AGM, and gel types, but not for nickel metal hydride or lithium-ion batteries. The controller features a multi-function large LCD display with adjustable parameters, built-in industrial microcontroller, and data memory function. It also includes double USB sockets with 5V/2A output

and operates within a temperature range of -35℃ to +60℃.

Pros:
– Small size, easy to operate
– Circuit, open circuit, reverse, and over load protection
– Multi-function large LCD display with all adjustable parameters
– Built-in industrial microcontroller with data memory function
– Double USB sockets compatible with various digital devices
– Operates stably in cold, high temperature, and humid environments
– Certified with ROHS, CE, ISO9001, and ISO14001 standards

Cons:
– Not suitable for nickel metal hydride or lithium-ion batteries
– Cannot use DC or other power supply as charging source, only solar modules
– Limited to lead acid battery types

MPPT Solar Charge Controller China Manufacturer – Vokek

Quality vs China MPPT?

Product Details: The discussion compares the quality and performance of high-end MPPT (Maximum Power Point Tracking) solar charge controllers, such as those from Victron, with cheaper alternatives from Chinese manufacturers like Epever, MPP Solar, and Growatt. The thread seeks to understand the differences in quality, performance, and PV production between these options.

Pros:
– Higher quality MPPTs, like Victron, may result in more PV production due to bett…
– Cheaper Chinese MPPTs, such as Epever, are more affordable and still functional…

Cons:
– Cheaper Chinese MPPTs may have lower quality components and design, potentially…
– Higher quality MPPTs are significantly more expensive, which can be a deterrent…

MPPT 12/24V20A Solar Charge Controller Made in China

Product Details: The MPPT 12/24V 20A Solar Charge Controller is designed for off-grid solar photovoltaic systems. It automatically identifies system voltage for 12V and 24V systems. The controller features Maximum Power Point Tracking (MPPT) technology with up to 99% efficiency, ensuring maximum energy utilization from the solar panels. It supports various battery types including lead-acid, AGM, gel, and lithium batteries. The controller includes multiple protection mechanisms such as overcharging, over-discharging, reverse polarity, short circuit, and overheat protection. It also has an LCD display for real-time monitoring of system status and parameters.

Pros:
– High MPPT tracking efficiency of up to 99% for maximum energy utilization
– Automatic recognition of system voltage for 12V and 24V systems
– Supports multiple battery types including lead-acid, AGM, gel, and lithium
– Comprehensive protection mechanisms including overcharging, over-discharging, re…
– LCD display for real-time monitoring of system status and parameters
– Weatherproof design suitable for indoor or outdoor use
– Bluetooth capabilities for remote monitoring and control

Cons:
– May require additional setup and configuration for different battery types
– Higher cost compared to traditional PWM controllers
– Potential for overheating if not properly installed or maintained
– Limited current charging mode may reduce charging power in high-power scenarios

China Charge Controller Manufacturers Suppliers Factory

MPPT Solar Charge Controller at Wholesale Price

Product Details: The 384VDC 100A MPPT Solar Charge Controller is designed for high voltage PV power systems. It utilizes maximum power point tracking (MPPT) technology to extract the maximum power from the solar array, automatically adjusting to environmental conditions. The controller supports various battery types, including lead-acid and lithium batteries, and features a conversion efficiency of up to 97%. It includes functions such as overcharge, overdischarge, overload, and short circuit protection. The controller also has an RS485 communication interface for monitoring and managing the system. It is suitable for systems up to 40kW and has a quick scan of the entire I-V

curve to efficiently track the maximum power point[1].

Pros:
– Uses MPPT technology to maximize energy efficiency with a conversion efficiency…
– Automatically tracks the maximum power point of the solar array, adjusting for e…
– Supports multiple battery types, including lead-acid and lithium batteries.
– Features overcharge, overdischarge, overload, and short circuit protection.
– Includes RS485 communication interface for system monitoring and management.
– Temperature compensation function to extend battery life.
– High current enhancement when the maximum power point voltage of the solar array…

Cons:
– Limited to specific voltage and current ratings, which may not be suitable for a…
– Requires careful configuration to ensure the solar panel voltage and current do…
– No mention of a built-in battery temperature sensor, though temperature compensa…

Comparison Table

Frequently Asked Questions (FAQs)

Frequently Asked Questions About Solar Charge Controller Factories in China

What types of solar charge controllers do Chinese factories typically produce?

Chinese factories produce a variety of solar charge controllers, including MPPT (Maximum Power Point Tracking) and PWM (Pulse Width Modulation) controllers. These controllers are designed for different voltage systems such as 12V, 24V, 36V, and 48V, and some also come with additional features like USB ports and WiFi connectivity.

How can I ensure the quality of solar charge controllers from Chinese manufacturers?

To ensure the quality of solar charge controllers, look for manufacturers that have international certifications such as ISO 9001, ISO 14001, and other relevant standards like CE, ROHS, and FCC. These certifications indicate that the products meet certain quality and safety standards.

What are some of the top solar charge controller manufacturers in China?

Some of the top solar charge controller manufacturers in China include Sungrow Power Supply, Jiangxi Baiying High-Tech Holdings, Beijing Multifit Electrical Technology, Cixi Caiyue Photovoltaic Technology, and Qingdao Skywise Technology Co., Ltd. These companies are known for their high-quality products and extensive experience in the solar industry.

Can I customize solar charge controllers according to my specific needs?

Yes, many Chinese solar charge controller manufacturers offer customization options. You can work with them to design and produce controllers that meet your specific requirements, such as custom voltage settings, special features, or branding.

How do I contact and purchase from solar charge controller factories in China?

You can contact and purchase from solar charge controller factories in China through various channels. Many manufacturers have their own websites and international sales teams. You can also use trade platforms like Made-in-China or Solarfeeds to find and contact these manufacturers directly. Additionally, attending trade shows and industry events can be a great way to connect with potential suppliers.