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What is the difference between on-grid, off-grid, and hybrid inverters?

2026-10-10
On-grid inverters are used only in grid-connected systems and feed excess solar power back to the grid. Off-grid inverters power remote systems without grid access and require battery storage. Hybrid inverters combine both functions—they can feed power to the grid and also store energy in batteries, making them the most popular choice today.
Can I have solar inverter samples to test? What is the lead time for sample order?
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Related questions
1
What is the minimum order quantity？
The minimum order quantity (MOQ) for standard models is typically 5–10 units; requirements for OEM customization (such as logos and packaging) are subject to negotiation. There is no minimum quantity for sample orders.
2
Can I have solar inverter samples to test? What is the lead time for sample order?
Yes, we can supply samples. In-stock products ship in 3-6 days; customized samples take 7-10 days depending on requirements. Sample cost and shipping fees are borne by the buyer.
3
Can your batteries be used in off-grid solar systems?
Certainly. They are specifically designed for off-grid battery backup and hybrid solar applications. Their high capacity ensures you have stored power available when solar generation is low, thereby reducing reliance on the grid or generators.
4
How should I choose between lead-acid and lithium batteries?
Lead-acid batteries are a proven and cost-effective solution for many industrial backup applications. LiFePO4 batteries offer a longer cycle life, lighter weight, higher efficiency, and lower maintenance costs. We can recommend the best solution based on your project requirements and budget.
5
Can the capacity of your energy storage system (ESS) batteries be expanded?
Most of our energy storage batteries support parallel expansion to increase capacity. Some systems also support high-voltage configurations. Our team will confirm compatibility and provide guidance on expansion based on your specific model and system design.
6
What is the warranty claim process?
1. Take photos/videos when a problem is found; 2. Contact customer service and describe the issue; 3. Provide test data and evidence; 4. Our engineer reviews and confirms; 5. Arrange reshipment, replacement, or refund. We recommend confirming warranty terms in writing before payment.
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