How many solar panel would be for 50w solar street light?

1. Solar panel power: 18V 60W high-efficiency monocrystalline silicon

2. Battery capacity: 12.8V30AH lithium iron phosphate battery

3. Luminous flux: 4850-5150LM

4. Installation height: 6-7m

5. Working hours: 6-8 days overcast and rainy days

6. Charging time: ≥7H

7. Working temperature: -30℃~60℃

8. Certification: CE.ROHS.IP65 etc.

9. Controller working mode: light control. infrared induction. time control