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| After-sales Service: | 3years |
| Warranty: | 3years |
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The Solarthon MPPT Solar Charge and Discharge Controller is an advanced charging method designed to maximize the power output of your solar panel system. With its maximum power point tracking (MPPT) technology, this controller can monitor the power generation voltage of the solar panel in real time and track the highest voltage and current value.
Unlike traditional controllers, the MPPT mode of this series of controllers is completely automatic and does not require any user adjustment. It intelligently adjusts the charging process to ensure that your battery is charged with the maximum power output, regardless of the environmental conditions.
Manufactured by Guangdong Solarthon Technology Co., Ltd., this controller is built to provide reliable and efficient performance. It automatically tracks the maximum power point of the solar panel, allowing for maximum energy extraction from the solar array.
Choose from three different amperage options - 20A, 40A, or 60A - to suit your specific power requirements. Whether you have a small residential system or a larger commercial setup, the Solarthon MPPT Solar Charge and Discharge Controller is the perfect choice to optimize your solar power generation.
| Model | STB1220 | STB1240 | STB1260 |
| Maximum Charging Current | 20A | 40A | 60A |
| System Voltage | 12/24V automatic identification | 12/24V automatic identification | LiFePO4 12.8V 120AH |
| MPPT Charging Voltage | <14.5/29V | <14.5/29V | 12V/24V <10mA, 48v<12mA |
| Maximum Battery Voltage | 35V | 35V | 35V |
| Overcharge protection voltage | 10.0~32.0V(lithium battery, default 14.4V) | ||
| Battery Type | gel, AGM, lead-acid, lithium (default gel battery) | ||
| Maximum PV Voltage | 100V(-20ºC), 90V(25ºC) | ||
| Maximum input power | 260W/520W | 520W/1040W | 750W/1500W |
| MPPT Tracking Range | battery voltage+1.0V)~Voc*0.9 *² | ||
| Output Current | 20A | 30A | 30A |
| Operating Mode | universal controller (default), street light mode, user manual mode | ||
| Maximum MPPT Tracking Efficiency | >99.9% | >99.9% | >99.9% |
| Maximum Charging Conversion Efficiency | 98.0% | 98.0% | 98.0% |
| Dimensions | 136.6*136.6*67.1mm | 196.5*136.6*97.1mm | 262.5*186.5*97.5mm |
| Self Power Consumption | ≤12mA | ≤12mA | ≤12mA |
| Communication | RS485(RJ11 port) | RS485(RJ11 port) | RS485(RJ11 port) |
| Operating Ambient Temperature | -20~+55ºC | -20~+55ºC | -20~+55ºC |
| Storage Temperature | -25~+55ºC | -25~+55ºC | -25~+55ºC |
| IP Rating | IP32 | IP32 | IP32 |
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