Research Article
Modeling and Optimization of a Residential Solar Stand-Alone Power System
Table 2
System Components’ estimated life and cost.
| Component | Price (US$/Unit) | Replacement time (year) | Unit |
| PV | 2640 | 20 | 1 kW | Inverter | 500 | 20 | 1 kW | Charge controller | 133 | 20 | 1 kW | Battery | 250 | 5 | 1 kWh |
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