Features: Integrated solar power system for lighting and charging devices Powerful lead-acid battery for long operating time Four DC outputs to operate multiple LED bulbs simultaneously USB port for easy charging of mobile phones and small devices Solar panel supports efficient charging from solar energy Solar panel suitable for efficiently charging Ruay RA47 system battery Operating voltage suitable for 12-volt battery systems Operating current provides stable and safe charging throughout the day Open-circuit voltage ensures efficient and stable charging Short-circuit current with full protection against any damage