Features: 1. Made from quality materials, lightweight, highly efficient, durable with long service life 2. Photovoltaic type design, can quickly store the electrical energy generated by the solar panel into the storage battery 3. Features short circuit protection, overcharge protection, overcharge and overdischarge protection, low voltage protection, anti-reverse charging, anti-reverse connection protection, reliable and safe to use 4. It can offer allowance reasonable power supply to various devices, compatible with many solar panels, batteries, devices 5. Widely applicable to many uses, garden, yard, path, etc. Specifications: Features: Made of quality materials, lightweight, highly efficient, durable with long service life. Photovoltaic type design, can quickly store the electrical energy generated by the solar panel into the storage battery. Features short circuit protection, overcharge protection, overcharge and overdischarge protection, low voltage protection, anti-reverse charging, anti-inversion connection protection, reliable and safe use. It can offer reasonable power allocation to various devices, compatible with many solar panels, batteries, devices. Widely applicable to many uses, garden, yard, path, etc. Specification: Material: PS Color: Black System voltage: DC12V Self-consumption: 10MA< br> Rated charging current: 10A Rated charging current: 10A Overload protection: 14.4V/28.8V Overdischarge protection: 10.8V/21.6V Charging overvoltage protection: 16.5V/34V Voltage Maximum open circuit for solar cell: 25V/36V Operating temperature: -20 - 50 Size: approx. 10.2 * 9.5 * 3.7cm / 4.01 * 3.74 * 1.45in Weight: Approx. 142g Package List: 1 x Controller 1 x Manual Instructions: 1. Open the controller cover, install the controller according to the manual. 2. Connect the positive and negative electrodes of the battery to the 3rd and 4th terminals on the left of the controller. *If the LED indicator (LOAD) lights up, which means this step is correct, and continue to 3. Connect the positive and negative electrodes of the solar panel to the 1st and 2nd terminals on the left of the controller. 4. Connect the positive and negative electrodes of the device to the 5th and 6th terminals from the left of the controller. *Charging indicator on, means it is charging, flashing means floating charging. If it is off, which means stop charging. *Charging indicator on means it has output and supports working, off is not. Note: 1. Please confirm the rated voltage of the solar panel, battery and device before connection. The voltage rating of all three must be the same, and they are all 6V, 12V or 24V. 2. The rated current of the solar panel and load should not be higher than the rated current of the controller.