54 LED & high brightness & large capacity 2400mAh] Equipped with 54 high brightness LED lights. It automatically charges with solar energy in the daytime and converts it into electricity. With a maximum storage capacity of 2400mAh, it can be turned on about 380 times as a sensor mode light when charged for about 8 hours on a sunny day. Energy conversion rate is 17%! The electricity bill is 0, energy saving and eco-friendly.