Energy System Solution Solar Power Storage 100kwh 150kw 120kw off Grid Large Industrial Energy Storage Systems Lithium Ion Battery

Qingdao Rayfore Dynapowersupply  Technology Co., Ltd is a high-tech enterprise jointly invested by Rayfore Group and Shandong Electric Power supply
Technology Co., Ltd.Based on the concept and mission of "clean energy, available everywhere", the company is committed to solving the problems of no
power, less power, unstable power and high cost of power.

The company has an annual output of 4GWh energy storage power station equipment, in the electrochemical energy storage system, intelligent auxiliary
system, battery energy supervision and management system and other key industrial chain has core technology advantages and sustainable research
and development capabilities, diversified research and development production base set large battery energy storage system, home energy system and
modular products in one. It has formed a comprehensive and perfect R & D production service system to provide customers with reliable one-stop
integrated energy storage solutions.

The company's main products and services: Mobile energy storage system, stationary energy storage system, modular energy storage system, energy
storage monitoring system, energy management system, battery management system, uninterruptible power supply equipment, inverter, energy storage
equipment and other products of the design, production, installation, sales, after-sales service.
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 1.Q: Could you provide OEM
service?
A: Yes, we could. we could also provide customized packaging if you need.

2.Q: I'm very sensible in price, i am a wholesaler of battery pack, if i sell your battery pack in my city , the profit is very low, can i get a cheaper price? and i can see your competitor sells more cheap then you.
 A: It is highly suggest that you can have a comparision with our competitor. Indeed, there are also some supplier provide low price battery pack but using cheap material. Pls pay attention to the cycle life and the warranty, and we have anti vibration design and communication design. maybe you know the price of cylindrical cell is far cheap then prismatic cell.besides, we also provide cylindrical cell solution , pls contact us directly and we will tell you more. Most Importantly, we can give you a professional solution according to your local market? low profit? Don't worry about that, our engineer team will help you help you to solve it.

3.Q: I can see the post that your company shows the warranty is 5 Years, so no matter what the battery pack be used for, all 5 Years?
   A: No sir, maybe you know the cycle life of cell is not only depends on the quality itself , but also be affected by the discharge/charge rate the actual temperature. So it is unresponsibility at all if a supplier tell you the cycle life but no talking about the actual usage. For room temperature 25ºC and 1C discharge and 0.5C charge, the cycle life of the battery pack can exceed 4000 cycles and warranty 5 Years, only energy storage usage.

4.Q: Can these battery pack be compatible with my inverter?  do you have a company list of the inverter which is compatible? 
   A: Yes sir, our battery pack can compatible with most brand of inverter on the market, contact us and let me tell you more.

5.Q: What about the delivery time and shipping?
   A: some of times in stock, we can make 3-7days fast delivery.
For USA,Canada,Austraila and most of European country , we provide tax included services, door to door, once you place an order ,then you will receive your new battery pack in about 40-55 days at your home!
We also have Oversea warehouse service, 3-7days arrive, no tax fees, please contact with our sales !

6.Q:Can it be series or parallel for use?
   A: Yes sir, it can support max. 4 in series or parallel connection for use ( 12V series ) and no any additional device.