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I'm interested in sourcing solar batteries for my self-employed ventures. I'm looking for reliable and efficient battery options that can support my energy needs, particularly for off-grid applications. It's important that these batteries offer good performance, durability, and value for money. Could you please provide more information on your available products, including specifications, pricing, and any certifications? Additionally, I would like to know about the warranty terms and delivery options. It would be great to explore both bulk order possibilities and any samples that might be available for testing. Looking forward to your prompt response!