1. Empirical algorithm:
1. Solar street lamp battery module power u003d electrical appliance power × electricity time × loss factor (1.6-2.0) / local peak sunshine time
2. Battery capacity u003d electrical appliance power × electricity time × number of cloudy and rainy days × system safety factor (1.4-1.8)/system voltage
2. Theoretical Algorithm:
1. Storage battery u003d total current * self-holding time / margin coefficient (0.7)
2. Solar panels u003d total power consumption / system utilization factor (0.6) / effective sunshine time