1. Quick Answer
👉 Choose based on system size and expansion plan, not just price
2. Core Difference
| Feature | 100Ah | 200Ah |
|---|---|---|
| Capacity | Smaller | Larger |
| Flexibility | High | Medium |
| Cost per unit | Lower | Higher |
| Cost per kWh | Higher | Lower |
3. When to Choose 100Ah
- Small systems
- Limited budget
- Flexible expansion needed
4. When to Choose 200Ah
- Large systems
- Fewer connections needed
- Lower long-term cost
5. Real Engineering Insight
👉 Fewer batteries =
- Less wiring
- Lower failure risk
- Easier installation
6. Recommended Strategy
👉 Commercial / large system → 200Ah
👉 Residential / modular system → 100Ah
📩 CTA
👉 Tell us your system size
We’ll recommend the optimal battery configuration