POS operators, business centres and phone-charging stalls in Port Harcourt, Warri, Effurun and Yenagoa live on reliable power. When light goes, customers go to the next shop.
What these shops use
| Item | Watts |
|---|---|
| POS terminal (charging) | 5–15W |
| Phone charging (10 phones) | 50–150W |
| Laptop | 60W |
| Inkjet printer | 30–50W |
| Laser printer / photocopier | 800–1,500W (bursts) |
| Fan + lights | 100W |
Suggested systems
| Shop | System |
|---|---|
| POS + phone charging + fan | 3kVA, 5kWh lithium |
| Business centre with photocopier | 3kVA–5kVA, 5kWh lithium |
Tips
- Use the photocopier when the sun is strong.
- Do not run the photocopier and a kettle at once.
- Use LED lights for evening customers.
Read solar ROI for businesses.

