Features 1、MPPT CHARGING: Wind solar hybrid charge controller, using MPPT charging method, power is up to 400W, efficient and durable. 2、VOLTAGE IDENTIFICATION: The controller has 12V 24V system automatic identification function, suitable for more equipment requirements. 3、BOOSTING CIRCUIT: Using an independent boost circuit to solve the problem of charging efficiency of small power vertical wind turbines. 4、APPLICABLE BATTERY: The solar charge controller supports universal lithium acid batteries, with good compatibility and strong practicability. 5、COMPACT SIZE: The MPPT charge controller has a compact structure and is equipped with a load resistor for easy installation and operation. Specification Item Type: Wind Solar Hybrid Controller Model: JW-MPPT12/24/400 Voltage: DC12V 24V (Automatic Identification) Wind Solar Power: 400W Package List 1 x Wind Solar Hybrid Controller 1 x Load Resistance