The battery is the most expensive part of any solar system. Here is what lithium costs in Port Harcourt, Warri and Yenagoa in 2026.
Our rough guide
About ₦220,000 per kWh installed.
| Battery | Usable (about) | Rough price |
|---|---|---|
| 2.5kWh | 2.2kWh | About ₦550,000 |
| 5kWh | 4.5kWh | About ₦1.1M |
| 10kWh | 8.5kWh | About ₦2.2M |
| 15kWh | 13kWh | About ₦3.3M |
Why prices differ between sellers
- Cell grade. Grade A costs more. Read Grade A vs Grade B.
- Real capacity. Some labels overstate it. Read how to spot a fake lithium battery.
- BMS quality.
- Warranty and support.
- Exchange rate on the day.
Always compare by kWh
Volts × Ah ÷ 1,000 = kWh
A "200Ah" 12V battery is only 2.4kWh. A "100Ah" 48V battery is about 5kWh.
Cost per year
Lithium lasts 8 to 15 years. Lead-acid lasts about 2. Lithium usually costs less per year. Read why lithium is better.
