
The PWM Motor Controller 24V 20A Solar Smart Controller is a highly efficient and feature-packed device designed for managing 24V solar systems. Equipped with quick charge technology, it ensures fast and efficient power delivery to meet heavy energy demands. The controller offers robust protection features, including overcharge, over-discharge, overload, low voltage, short circuit, and reverse connection safeguards, protecting both the system and connected devices from potential damage.
Its large white backlight screen makes it easy to operate even in low-light conditions, providing clear visibility and user-friendly control. The fashionable design not only enhances its aesthetic appeal but also ensures durability and practicality for various installations. Additionally, the controller comes with dual USB ports, allowing users to charge mobile devices or other USB-powered equipment simultaneously, adding extra convenience.
Ideal for solar systems requiring reliable and efficient energy management, the 24V 20A Solar Smart Controller offers advanced features in a compact, stylish, and user-friendly package. If this ST7-20 PWM solar charge controller can not meet your needs, we also provide MPPT solar charge controller. In addition to solar charge controller, we also have Power Inverter, Portable Power Inverter Generator and other products, you are welcome to purchase.





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Model
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ST7-20A
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Rated voltage
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12V/24V Automatic voltage recognition
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Max charge current
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20A
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Max discharge current
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20A
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Full charge cut
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16.5V/33V recognize tacitly
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Low voltage cut
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11/22V Recognize tacitly
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Low voltage restore
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12.6V/25.2V Recognize tacitly
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Temperature compensation
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-3mv/℃/cell
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Static current
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≤45mA
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Voltage drop
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<200mv
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Wire area max
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4mm²
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Size
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190*105*55mm
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Main Product:
Power Inverter,
Car Inverter,
Solar Inverter,
Solar Charge Controller,
Portable Power Station ,
Hybrid Inverter