Solar Charge Controller, CBK2410 Dual USB Smart Solar Battery Panel 12V/24V PWM Charging Control Equipment with LCD Display Screen How to Use: 1. Connect the positive and negative poles of the battery to the controller as shown in the figure, and the controller will automatically detect the battery voltage. 2. Connect the positive and negative poles of the load to the controller as shown in the figure, be careful not to reverse. 3. Connect the solar panel to the controller as shown in the figure. Specification: Item Type: Smart Charge Controller Material: ABS Model: CBK2410 Uses: Suitable for home, industry, commerce, etc. Rated Voltage: 12/24V Maximum Photovoltaic Voltage: 50V Maximum Photovoltaic Output Power: 260W (12V), 520W (24V) USB Output: 2 USB outputs, 5V/1A (maximum) Standby Current: <10mA Working Temperature: -35-60℃ Package List: 1 x Smart Charge Controller 1 x User Manual Note: The charge controller is only suitable for open type/AGM/gel type acid batteries, not suitable for nickel metal hydride, lithium, lithium ion or other batteries.