How to choose lamp 4 tips to help you know how to source solar light Now Let me introduce you how to choose solar light : There are 4 key points we should pay attention to , 1.solar panel . high quality polycrystalline solar panel ,high charging efficiency ,long lifespan 25 years warranty 2. LED chips,high lumen ,high quality LED chip ,160LM/W 3.Battery . long battery lifespan and more durable . 4.Material. We adopt new standard material ,make sure the housing and lamp body stron