All series of MPPT solar charging controllers of iPandee incorporate new design concepts, keep up with the development of science and technology, adapt to the needs of cutting-edge off-grid system applications, and adopt our own patented MPPT control algorithm technology, which can always maintain the maximum power point tracking efficiency in high and low power segments. At the same time, when obtaining the energy of the solar panel, it has the dual functions of charging current limiting and power limiting, the protection mechanism of automatic power reduction for high-temperature charging, and the fourth-order charging method, which effectively protects and prolongs the life of the battery and fully ensures the stability of the system.

In addition, the product innovation breakthrough waterproof and dust-proof design, to combat different harsh environments with IP21~IP65 protection level. It adapts to different charging requirements of lead-acid battery and lithium battery. Except as some model series, it is standard equipped with activation function after over-discharge protection of lithium battery, which can fully meet the application requirements of various systems of users. It has perfect various protection functions, so that the solar power supply system can run safely and stably for a long time. It can be used in household, communication base station, mine and oil field, photovoltaic energy storage, RV and yacht, security monitoring and other application scenarios.

MPPT solar charge controller for sales and projects

Advantages of MPPT solar charge controller & Inverter Charger

The source manufacturer

ipandee is a national high-tech enterprise integrating sales, production and service. It has a production base of 6,000 square meters, with strong strength and strong supply capacity;

R&D strength

ipandee has more than 40 professional technical R&D talent teams and more than 100 invention patent technologies;

Customized service

All ipandee series MPPT solar controllers can support customized secondary development and provide targeted solutions for projects;

Perfect after-sale service

ipandee implements N+1 pre-sales and after-sales service, with technicians and engineers online at the same time, providing a strong guarantee for the stability of the project;

Why Choose iPandee MPPT solar charge controller

Why Choose iPandee MPPT solar charge controller
  • MPPT efficiency 99.5%, the whole machine conversion efficiency up to 98%;

  • The product supports various lead-acid batteries, lithium batteries or custom batteries

  • The interface is not only simple and easy to operate but also has intelligent interactive experience;

  • Complete protection function ensures stable operation of lithium battery or lead-acid battery system;

  • Dual RJ45 interface, meet the communication application of RS485 modbus, integrated management and secondary development

  • Four LOAD control modes: normally on/normally off mode, optical control mode, dual-time controller mode, optical control + fixed time control mode;

  • Supports lithium activation wake-up function;

  • Support computer, wired instrument and wireless module APP remote monitoring;

How does MPPT solar controller & Inverter Charger work?

MPPT solar charge controller

To charge the battery, the output voltage of the solar panel must be higher than the current voltage of the battery, if the voltage of the solar panel is lower than the voltage of the battery, the output current will be close to 0. Therefore, for safety reasons, when the solar panel is manufactured, the peak voltage (Vpp) of the solar panel is about 17V, which is set based on the standard when the ambient temperature is 25°C. When the weather is very hot, the peak voltage Vpp of the solar panel will drop to about 15V, but in cold weather, the peak voltage Vpp of the solar energy can reach 18V.

Let's go back and compare the difference between MPPT solar controller and traditional solar controller. The traditional solar charge and discharge controller is a bit like a manual gearbox. When the engine speed increases, if the gear of the gearbox is not increased accordingly, it will inevitably affect the speed of the vehicle. But for the MPPT solar controller, the charging parameters are set before leaving the factory, that is to say, the MPPT controller will track the maximum power point in the solar panel in real time to exert the maximum effect of the solar panel. The higher the voltage, the more power can be output through maximum power tracking, which improves the charging efficiency. In theory, the solar power generation system using MPPT controller will increase the efficiency by 50% compared with the traditional one, but according to our actual test, due to the influence of the surrounding environment and various energy losses, the final efficiency can also be increased by 20%-30% .

Solar Inverter

The working principle of the inverter is actually a process of converting low voltage DC to high voltage AC. The DC voltage is divided into two channels: one is to supply power to the front-level IC to generate a KHZ level control signal, and the other is to the front-level power tube. Below are the 3 steps in the conversion from low voltage DC to high voltage AC and the resulting current (voltage) produced by each step:

Step 1: The control signal drives the power tube to switch continuously, so that the primary of the high-frequency transformer generates low-voltage high-frequency alternating current (produces low-voltage, high-frequency alternating current).

Step 2: Output high-frequency alternating current through the high-frequency transformer, and then output a high-frequency hundreds of V direct current through the full-bridge rectification of the fast recovery diode to the power tube of the latter stage (producing alternating current with high voltage and high frequency).

Step 3: The post-stage IC generates a control signal of about 50HZ to control the work of the post-stage power tube, and outputs 220V 50HZ alternating current (generates 220V 50HZ alternating current).

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