Car Battery Charger Maintainer Trickle RV for Truck Motorcycle ATV Auto 12V

LED indicator: Green=Battery full. Red =charging. Output: DC 12V 1A. the size of batteries, 12V 5-. 7AH takes about 6 hours; 12V. 9AH takes about 10 hours; 12V. Short circuit protection (. We believe in communication. ).