Solar Battery:crystal solar cell Life time:10 years Source :10 LED Battery:NI-CD rechareable Avoid Shock ,moisture Size(cm):24x5.8 Weight(kg):0.35 Capacity:50PCS 4V80Ah solar cell Solar fower flashlight ,switch ON/OFF button ,to turn ONor ture OFF the flashlight. 0.45Wcharge the mono crystal panel under sunlight for 6 hour and it will last up to 8 hours. NIi-Cd rechargeble battery . life time for mono crystal panel :20 yeas Supper bright source .long time flah ,easy handy ,energy saving and enviroment friendly. Other ,our campany can able to plan and design according to customer function requirement and make andconfigure rational new energypower generation system with good performance cost ratio.