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NO.232 chaoyang road,Haiyan,Zhejiang,China

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SLC20 solar system controller



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Solar Photovoltaic

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Product Specification

SLC20 : 6A,10A,15A,20A

Product Description


According to the voltage of battery, controller will adjust the charging current and decide if to supply power to the loads.

1. Generally keep the battery on full voltage condition.
2. Prevent the battery from over-charging.
3. Prevent the battery from over-discharging.
4. Prevent the battery from supplying power to solar panels during nights.
5. Overloading protection.
6. Short circuit protection.
7. Reverse current protection.
8. Reverse polarity connection protection.
9. Lighting protection.
10. Over discharging protection.
11. Over charge protection.
12.The temperature compensation.

Indicator light:

1. Three red LED. They indicate the voltage of battery. It indicates the voltage enough that three red LED are all illumining.
2. One green LED. The battery is strongly charged when this light is illumining, the battery is floatingly charged when this LED is flickering, and the battery has stopped charging when the LED unlighted.
3. The voltage of battery is little low when one red LED or two red LED are illumining, maybe the load cant naturally work. But when the voltage of battery reaches 12.6v or 25.2V, the load will be allowed automatically to start work.


Charge regulator



12V/6A,12V/10A,12V/15A, 12V/20A, 24V/6A,24V/10A,

Nominal voltage

12v or 24V

Working principle


Type of connection


High charge disconnection

14V or 28V

Indicator of a battery charge

LED display

Maximum charge current

6A, 10A, 15A, 20A

Temperature compensation


Low-charge disconnection

10.5v or 21V

Low-charge reconnection

12.6v or 25.2V

Maximum own power consumption


Short-circuit protection


Protection against reverse polarity


Operating temperature range


Packing size





Contact Us

Contact Person :Mr. Jarry


Address:NO.232 chaoyang road, Haiyan, Zhejiang, China,314300


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