The image shows a BSC4048 PWM Solar Charge Controller. This device is used to manage power flow from solar panels to a battery bank and load.
Specifications
It features an LCD screen with a backlight for easy monitoring.
The controller utilizes intelligent 4-stage PWM (Pulse Width Modulation) charging control.
It includes comprehensive electronic protections against overcurrent, short-circuit, and reverse polarity.
The device is equipped with dual USB ports (5V/2.5A) for charging mobile devices.
It is compatible with 12V, 24V, 36V, and 48V systems and various battery types.