How big solar panels and how big the controller should be equipped with a 3.7V50Ah lithium battery

- Nov 01, 2019-

80W LED lights, it is recommended to use 12v power supply. The 3.7v matching PV modules need to be customized. 12v80W lamp use 8 hours matching battery should not be less than 12v-55AH, (it is also expected to rain without light supply time) ... controller current 10A. Photovoltaic panels must not be less than 100W