PWM Solar Charge Controller and LED Constant Current Driver 20A,12/24V, LS2024100BPL

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·12V/24V automatic identify or user-defined working voltage.
·Gel, Sealed, Flooded and user-defined battery type option.
·With functions of current power calculation, it is convenient to view charging and discharging  energy of each day, month, year and total value.
·Wide input voltage range:DC8.0V—DC32V, compatible with 12V/24V full voltage range.
·Digital precision constant current control and the control accuracy are better than ± 2%.
·Maximum output efficiency of 95%.
·The rated output current can be adjusted at rated power and current range.
·The max output voltage can reach up to 60V
·Charge control parameter, the load control parameter and the output current value can
be set separately.
·Use of standard Modbus communication protocol for TTL232 bus connections,
communication protocol compatibility much better.
·Fully encapsulated PCB, IP67 protection.
·Aluminum housing.

Load control mode:
Manual,   Light ON/OFF,   Light ON+ Timer,   Time Control

Electronic Protections:

·PV array short circuit
·PV reverse polarity
·High voltage transients
·Over discharge
·Load overload
·Load short circuit
·Battery reverse polarity


Electrical parameters




Nominal system voltage

12 / 24VDC

Battery terminal voltage


Maximum PV input voltage


Rated charge current




Rated output power







Rated output current




Max. efficiency


Output voltage range

Voltage of battery~60.0V

Load open circle voltage


Power output adjustment time



≤9.1mA(12V); ≤7.0mA(24V)

Control accuracy

< 2%

Temp. compensation coefficient





108.5x73x25.6 mm



Power cable







Net weight




Working temperature

-35℃ to +55℃




Q1. What is the difference between MPPT&PWM?
A1. MPPT has higher efficiency, it can track the max power point and won't waste energy.


Q2. What is the efficiency of the MPPT controller?

A2. MPPT>99%, peak conversion efficiency>98%.


Q3. What is the waranty of product?
A3. 12 months.


Q4. What protection does your MPPT controller have?

A4. PV array short circuit, PV reverse polarity, Battery reverse polarity, Over charging, Output short circuit.

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Q:Solar water heater controller power screen is not displayed
Probably the relay is burned out
Q:What is the meaning of the DC load above the solar controller?
Can be batteries, lights, motors and other DC equipment can be used
Q:How to choose a solar controller
And you have this system has two loads, you want to separate the controller, you can choose a dual controller! And so on and so on, more details can be consulted with me
Q:Solar controller can not charge what is the reason
Direct charge protection point voltage: direct charge also called emergency charge, are fast charge, are generally in the battery voltage is low when the use of high current and relatively high voltage on the battery charge, but there is a control point, also known as protection points, Is the value in the table above, when charging the battery terminal voltage higher than the protection value, should stop charging. Direct charge protection point voltage is generally "overcharge protection point" voltage, the battery voltage when charging the battery can not be higher than the protection point, otherwise it will cause overcharge, the battery is damaged
Q:Solar controller water level display is not correct how to do
Re-adjust the water level to control, choose their own water.
Q:Solar water heater all intelligent controller how to install
Different solar water heater brand, the controller used is not the same. But the total is divided into the next type and side of the two, if you understand the installation of solar energy can first look at the probe to stay and then install the mouth. If you do not know you only looking for solar manufacturers aftermarket.
Q:Solar controller use
And then anti-backlash protection, short circuit protection, overcharge and over discharge protection
Q:Solar controller one machine how
You should include a charge and inverter as one of the machines. This product is also very good, but for many users is not very applicable, such as I hope to enter the input, but the output power can not meet, and configure the inverter is more waste. If your needs and configuration just right, it is still relatively easy to use. The cost of the above is higher.
Q:What is the meaning of the 30A solar controller?
The maximum current is 30A
Q:What is a solar controller?
Can control the solar street light, the switch controller is the solar controller; domestic well-known brands should be far away power and the exchange of energy to the sun in the science and technology in Beijing; we are the power to do LED lighting business is brand goods

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