... Battery5.Lighting time : 6 hours working after full charge for 3 lamps6.Overcharge and over discharge protection7.Rechargeable by ... There are microprocessors inside.4.Safely and Reliable.Protection for controller if reverse connection of solar panel or battery.5 ... connecting,electricity indicator.Advantage:1.Multifunction,used for DC output,and charge for mobile charger,LED light ,etc.small household ...