Not profitable,
1. The voltage is the same, the current is too low 1.16A, 20ah battery will take more than 20 hours, how many hours of sunshine per day,< /p>
2. Solar energy has a disadvantage, it requires full irradiation requiring irradiation angle, which is difficult to achieve
3 The cost is high. When the power is reached, the price. will be high, or the car cannot be placed due to its size