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The ST7-40 Digital Solar Charge Controller PWM 40A is a highly efficient and reliable device designed to optimize energy management for both 12V and 24V solar systems. Featuring automatic voltage recognition, it seamlessly adapts to either 12V or 24V configurations without the need for manual adjustments. With a maximum charge and discharge current of 40A, this controller is capable of handling moderate to high-power solar setups.
Equipped with quick charge technology, it ensures fast and efficient charging, meeting the heavy power demands of various devices and applications. The controller provides robust protection features, including safeguards against overcharging, deep discharging, overloads, low voltage, short circuits, and reverse connection, ensuring the safety of both the system and connected devices.
The controller features a large white backlight screen, making it easy to monitor and operate in low-light conditions or at night. Its sleek and modern design not only enhances its aesthetic appeal but also ensures functionality and durability in different environments. Additionally, the controller includes dual USB ports, allowing users to conveniently charge mobile devices or other USB-powered equipment while managing their solar system.
The ST7-40 Digital Solar Charge Controller is the perfect solution for residential or commercial solar systems, offering reliable, efficient power management with advanced protection features and user-friendly controls. In addition to PWM Solar Charger Controller, we also have other products such as MPPT Solar charaer Controller, Solar Panel cleaning Tools, etc. If you are interested, you are welcome to purchase.
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Model
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ST7-40A
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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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40A
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Max discharge current
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40A
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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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215*120*52mm
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Main Product:
Power Inverter,
Car Inverter,
Solar Inverter ,
Solar Charge Controller,
Portable Power Station,
Hybrid Inverter
