1. rated charge current: 30A 2. rated load current: 30A 3.System voltage: 12V/24V auto 4. Over discharge voltage: 11V/22V 5. Over discharge voltage: 15.5v, *2/24v 6. Charge return voltage: 13.3v, *2/24v 7.Boost charge voltage: 14.6V, *2/24V 8. Direct charge voltage: 14.4V, *2/24V until charge return voltage 9. No load current: less than 10mA 10. Over load shortcircuit protection: yes 11. control mode: mannual for light and time 12. Charging mode: PWM