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12v solar charge controller，pwm controller，Digital display controller
ST Series Advantages:
To provide fast, optimum charging voltage and current according to the actual charging.
1. With quick charge technology, coping the heavy demand of power.
2. Protections: over charge, over discharge, over load, low voltage, short circuit, reverse connect.
1. Automatic Identification System Voltage, 12V/24V auto recognition;
2. Applicable for a variety types of battery;
3. Automatic recognition input voltage function;
4. Microprocessor controller pulse width modulation (PWM) charge;
5. Large-screen digital display with blue back light, easy to check at night;
6. Double USB charging port
7. Sensor temperature compensated battery charging;
8. Overload protection;
9. Overcharge protection;
10.Short circuit protection;
11. Lightning protection;
12. Reverse-discharge protection;
13. Reverse polarity protection;
14. Under-voltage protection.
situation and the type of battery.
Real-time display (LED lights) battery capacity. Safe, reliable and efficient.
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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
