Job Recruitment Website - Property management - Solar street lamp, 20-watt light source, lights for five hours every night, and lasts for three or four rainy days. How much lithium battery do you need? Seek an answer

Solar street lamp, 20-watt light source, lights for five hours every night, and lasts for three or four rainy days. How much lithium battery do you need? Seek an answer

The capacity of 10AH should be enough.

1000wh/20w equals 50 hours. In other words, once the electricity was enough for street lamps for four days,

One-degree charge is approximately equal to the capacity of lithium battery 65438+ 100 mah, and equal to 10 Ah.

10ah battery is completely sufficient.