-Solar Panel: 3W solar panel with 25years life span. -Battery: 6V 4AH sealed lead-acid rechargeable battery. -Fluorescent Tube: standard 2x6W -AC Volt input capacity: 220V AC / 110V AC -Charging Time: At least 10hours by solar panel and 20hours by AC power depending on depth ofdischarge -Working Time: 8hours for 1 tube; 5hours for 2 tubes Charging Methods: --Charged by AC charger(110V/220V) for 20hours --Charged by solar panel for 10hours --Charged by car lighter plug