1. Provide “Over charge” & “Over discharge ” protection for solar charging batteries
2. Regulate up to 160W to 500W of solar panel charging (Different models)
3. Fuses to protect the product from damage caused by over load or short circuiting.
4. Built in Digital Voltage Meter to show battery electricity level
5. 3V, 6V, 9V, 12V output available
6. Provide multiple connections: Female CLA, USB, & DC plug
7. Aluminum alloy casing to increase heat dissipation