Only one discount code can be used per order unless an offer specifically states otherwise. Check the available offers and choose the eligible code that gives you the best final price.

Yes. Select products offer multi-pack options with volume pricing. Check the price per panel when choosing your pack. For project quantities or a custom quote, email services@callsunsolar.com with your required quantity and delivery address.

Start with your available installation space, daily energy needs, and existing equipment. Compare rigid panels for fixed installations, flexible panels for suitable curved surfaces, and solar system kits for a coordinated setup. Contact us if you need help choosing.

Scroll down on each solar panel’s product page to find detailed compatibility references. If your equipment isn’t listed or you need help confirming the right cables or adapters, email us at services@callsunsolar.com with your equipment’s exact model.

Orders are generally processed within 1–3 business days, followed by an estimated 3–8 business days for standard delivery. Holiday demand, stock availability, and freight shipments may affect timing. For large orders, contact us to confirm delivery arrangements.

Eligible items can be returned within 30 days of delivery, subject to our Return & Refund Policy. Contact us for authorization before returning anything. Return shipping charges and restocking fees may apply depending on the reason.