12V 24V CM3024Z PWM Solar Controller (30A) Overview A PWM solar charge controller designed for 12V and 24V systems with automatic voltage identification. Provides automated battery and panel management, clear LCD monitoring, adjustable control parameters, and multiple builtin protections to support small offgrid and auxiliary solar installations. Key benefits Automatic system management: Automatically detects 12V or 24V systems and manages charging and discharging to protect battery health and system stability. Clear status and history: LCD displays charging and discharging status, cumulative generation and discharge values, and temperature for easy system monitoring. Flexible control options: Light control with delay, adjustable discharge parameters, and poweroff memory allow tailored operation for lighting and load schedules. Robust protection: Builtin protection for over current, short circuit, open circuit, and reverse connection with automatic self recovery to reduce the need for manual resets and help extend controller life. Simple installation and wiring: Terminals are marked with clear icons for battery, solar panel, and DC loads to reduce wiring errors. Features PWM regulation for stable charging of leadacid battery banks. Light control plus delay control and adjustable discharge settings. Poweroff memory function preserves settings after a power loss. LCD screen with charging and discharging indicators, cumulative generation and discharge query, and temperature display. Builtin protections with self recovery behavior to handle common faults. Connection terminals labeled for battery, PV panel, and DC load. Includes external temperature probe for more accurate temperaturecompensated charging. Specifications Item type: Solar controller Material: ABS Voltage: 12V and 24V automatic identification Maximum charging current options: 10A, 20A, 30A (this listing corresponds to the 30A style) Floating voltage: 13.7V for 12V systems, 27.4V for 24V systems Low voltage disconnect: 10.7V for 12V systems, 21.4V for 24V systems Low voltage recovery: 12.6V for 12V systems, 25.2V for 24V systems Working temperature: 20C to +60C Package contents 1 x Solar controller 1 x Temperature probe 1 x Manual Installation note The controller generates heat during operation. Install on a flat, well ventilated surface and allow space around the unit for airflow. Follow the labeled terminal icons when connecting the battery, solar panel, and DC loads. Typical applications Small offgrid cabins or sheds: Manage battery charging from a modest PV array and control DC lighting or small loads. Recreational vehicles and boats: Provide regulated charging for 12V or 24V battery banks and simple load control for onboard systems. Remote lighting systems: Use light control and delay functions to automate lighting while monitoring cumulative generation. This controller is suited for small to medium solar setups requiring reliable PWM charging, clear monitoring, and basic programmable load control.