We have professional QC team to make sure that our product in good condition.Always a pre-production sample before mass production; Always final Inspection before shipment;

Yes, for most of the batteries and solar panels, sample orders for testing quality is reasonable and acceptable. The sample will be charged a cost, but the cost will be refunded after the bulk order.

Accepted Delivery Terms: FOB, CFR, CIF；
Accepted Payment Currency: USD, EUR, GBP;
Accepted Payment Type: T/T, L/C, D/P, D/A, MoneyGram, Credit Card, PayPal, Western Union, Cash, Escrow.

Five years for energy storage system batteries, 10 years for solar panels, more details will be shown in the proforma invoice.

The shipping time will vary depending on your location, but we typically ship orders within 3-7 business days. Once shipped, delivery times usually range from 5-25 business days.

Yes, we have CE, MSDS, UN38.3, IEC, ROHS, design patent certificates, etc.

At present we do factory direct sales, we are also looking for local agents, welcome to contact us if you have the idea.

TT/Paypal/West Union/etc.

Yes, OEM/ODM battery packs are warmly welcome. Our professional engineers will provide technical support.

We need the details below:
(1) Size of the battery pack you need in mm.
(2) Capacity of the Battery pack. 3. Voltage of the battery pack.
(3) Max discharge current.
(4) Cable and connector types you need.
(5) Casing and Terminals if required.
(6) Any protection circuits you may need.

Yes, custom logo service and branding is available.

Most mainstream invereters are compatible with our system.

We have long-standing forwarder partner who arranges all our shipments to all countries. Although batteries are categorized as dangerous goods, you should rest assured that your cargo will be delivered through our experienced shipping partners.

Yes, most of our produtcs are offered with BMS for protection in every way to allow a safe use for residential.

According to your battery voltage and capacity.

We are the professional solar panel manufacturer, and we also provide you with other brand options, such as Longi, JA Solar, Jinko, Canadian Solar, ASTRONERGY Solar, DMEGC, with better prices, and better models at the same time.

Yes! And we accept OEM&ODM orders.

Yes, sure. We have made great achievements on home solar storage system and commercial energy storage system. From 2021 to 2022, we launched over 3GW projects in total in Germany, Austria, South Africa, Brazil and other countries. If you have special requirements, feel free to contact us.