Solar panels for home energy storage system

550w solar panels

Why Choose Us

1. Factory direct price.

2. Puntual lead time and delivery

3. Full series lifepo4 products and small trial order is available

4. Strict quality control

5. Professional sale and after-sale services

Battery Test.

Our battery packs and cells have passed different test: short circuit, drop test, over charge test and extrusion test. No explosion. No fire, no smoke, no leak.

Our Certifications

We obtained a list of certifications including ISO9001, SGS,

Productions carry UN38.3, CE, ROHS, FCC and series of MSDS certifications.

With Our Customers

We have exported our battery packs worldwide for years, and have gained customers’ recognization.

FAQ

1. Where can I get the price of  550w solar panel?

The price depends on your quantities and your requirements.If you are interested in our products, Please click “Inquire Now” above to get our product catalog and price list. We will offer you the best quote in 24 hours after we get the product specifications such as voltage capacity application etc.

2. What are the payment methods?

We support TT, paypal, credit card.

3. What’s the lead time ?

It depends on your order quantity.Normally 1-2 days if we have samples in stock, 5-10 days for newly produced samples. 15-20 days for big order.

4. What shipping methods can I choose, how about the shipping time?

Our sales will help you choose the most cost-effective shipping methods.

By Express (3-10 working days), suitable for urgent time or small quantity.

By Sea (15-30 days), it suitable for mass production.

By Air (4-7 days), from airport to airport.

5. What is the package? Is that safe?

We pack the battery in safe and standard way.One battery in one carton box, and filled with EPE foam on the top and at the bottom. For heavier battery packs, we adopt wooden case. We will send you the battery photo before shipping and the shipping agent we work with are reliable and professional.

6. What’s the warranty? How can I get support after I purchase the battery?

Different warranty for different models. Usually 3-5 years for higher capacity packs.

1-2 years for smaller battery models. During warranty time, we can send you new ones if your battery fail to work due to its own quality problem. You can contact us about any battery problems via email, skype, whatsapp and wechat. Our sales and engineers will help you work it out.