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The DFRobot Solar Power Manager series are designed for IoT projects and renewable energy projects, providing safe and high-efficiency embedded solar power management modules for makers and application engineers. This medium-power high-efficiency solar power management module allows you to charge a 12V lead-acid battery with a maximum of 4A using a standard 18V solar panel.
Check the brief specification for all Solar Power Manager Series Products.
Solar Power Manager For 12V Lead-Acid Battery is a medium-power high-efficiency solar power management module, which is able to charge a 12V lead-acid battery with a maximum of 4A using a standard 18V solar panel. It is suitable for applications within 100W, such as 12V lighting equipment, security monitoring, small robots, pumps or environmental monitoring stations. It features as MPPT(Maximum Power Point Tracking) function, maximizing the output power of solar panels under various sunlight. Compared with common PWM solar controllers, it can improve charging performance by 10%-30%. Benefited from its small size and light weight, it is easier to embed it in your projects. The module provides dual high-power outputs 5V 5A (OUT1) and 12V 8A (OUT2) and dual USB outputs 5V 2.5A (USB1/USB2). Except USB1, all outputs can be turned ON/OFF by I/O pins of most controllers (3.3V/5V compatible). This feature helps to dynamically power loads and reduce power consumption. Various protection functions are also employed to ensure the safety and stability of the solar systems.
|Name||Solar Power Manager v1.0||Solar Power Manager 5v v1.1||Solar Power Manager Micro v1.0||Solar Power Manager v1.0|
|Solar Power Management IC||LTC3652||CN3065||SPV1050||CN3767|
|Solar Input Voltage||7V-30V||4.4V-6V||0.5V-4V||15V-25V|
|Maximum Charge Current||2A(Solar/USB)||900mA(Solar/USB)||70mA(Solar)/100mA(USB)||4A(Solar)|
|Topology||DC-DC Buck||Linear Regulator||DC-DC Boost||DC-DC Buck|
|Battery||3.7V Lithium Battery||3.7V Lithium Battery||3.7V Lithium Battery||12V Lead-Acid Battery|
|MPPT||9V/12V/18V Optional||5V Fixed||75% Open Voltage||Fixed 18V|
|Battery Protections||Over Charge/Over Discharge/Over Current/Reverse Connection Protections||Over Charge/Over Discharge/Over Current/Reverse Connection Protections||Over Charge/Over Discharge/Reverse Connection Protections||Over Charge/Over Discharge/Reverse Connection Protections|
|Output Protections||Short Circuit/Over Current/Over Heat Protections||Short Circuit/Over Current Protections||Short Circuit/Over Current Protections||Short Circuit/Over Current/Over Heat Protections|
|USB Charge IN||Yes||Yes||Yes||No|
|USB OUT||5V 1.5A||5V 1A||No||5V 2.5A x2|
|Regulated OUT||Three Regulated Outputs 3.3V 1A；5V 1.5A；9V/12V 0.5A||One Regulated Output 5V 1A||One Regulated Output 3.3V 90mA||Two Outputs 5V 5A; 12V 8A|
A complete multifunction solar power management module.
Applications: Small Solar Street Lamp, Solar Powered Robots
For 9V/12V/18V Solar Panels within20w
A small and easy-to-use 5V solar power management module.
Applications: Solar Power Bank, Solar Environment Monitors
For 5V Solar Panels within 10W
A micro power solar power management module for low-power sensors and controllers.
Applications: Wireless Sensor Network, BLE iBecon
For 1V/2V/3V Solar Panels within 0.5W
A medium power solar management module for 12V lead-acid batteries.
Applications: Street lighting, intelligent agriculture, environmental monitoring station, UPS
For 18V Solar Panels within 100W