How many panels I need for my country?
Peak sun hours: 5H. The power generate is below.
Panels (Watts)
| NO. (pcs) | Power generate (kwh) |
| 450 | 4 | 6.44 |
| 330 | 6 | 7.08 |
| 400 | 6 | 8.58 |
| 450 | 6 | 9.66 |
| 400 | 8 | 11.45 |
| 400 | 9 | 12.88 |
| 450 | 8 | 12.88 |
| 450 | 9 | 14.49 |
| 540 | 8 | 15.45 |
| 540 | 9 | 17.38 |
How many power we could use at night？
Deep cycles battery datasheet below.
| Bat Vol （V） | Bat capacity (Ah） | NO. (pcs) | DoD | Max discharge power (Kwh) |
| 12 | 100 | 4 | 0.7 | 3.36 |
| 12 | 150 | 4 | 0.7 | 5.04 |
| 12 | 100 | 8 | 0.7 | 6.72 |
| 12 | 200 | 4 | 0.7 | 6.72 |
| 12 | 250 | 4 | 0.7 | 8.4 |
| 12 | 100 | 12 | 0.7 | 10.08 |
| 12 | 150 | 8 | 0.7 | 10.08 |
| 12 | 200 | 8 | 0.7 | 13.44 |
| 12 | 150 | 12 | 0.7 | 15.12 |
| 12 | 250 | 8 | 0.7 | 16.8 |
Lifepo4 battery datasheet below.
| Bat Vol (V) | Bat capacity (Ah） | NO. (pcs) | DoD | Max discharge power (Kwh) |
| 51.2 | 100 | 1 | 0.8 | 4.096 |
| 51.2 | 100 | 2 | 0.8 | 8.192 |
| 51.2 | 100 | 3 | 0.8 | 12.288 |
| 51.2 | 100 | 4 | 0.8 | 16.384 |
Now you get an ideas about how many panels and batteries you need? Please let me know, and then we could work out the budget for you and your customers.