FAQ
Zigong JOINSUN Technology Co., Ltd., established in September 2022 with a registered capital of 60 million yuan, is a technology-oriented small and medium-sized enterprise specializing in the research and development, production, and sales of lithium-ion power batteries, ultra-large capacity energy storage batteries, battery management systems, rechargeable battery packs, and wind and photovoltaic energy storage systems.
How much time is needed from the start to the end of the production line?
25–28 days.
What tests are conducted prior to delivery?
Prior to delivery, the factory performs transportation simulation vibration tests, comprehensive voltage inspections, internal resistance tests, grading, and assembly.
What are the differences between the Drive, Storage, and 3C versions?
The main differences lie in price, performance, and applications.
What material system is employed in the factory? Is manganese added, and if so, in what proportion?
A ternary material system is employed, with certain models containing manganese in specific proportions.
What payment options do you accept?
We accept bank transfers and PayPal as payment options.
Will I receive an order confirmation, tracking information, and a receipt?
Transaction details will be sent to the email address you provided at checkout. You will receive an order confirmation, followed by a shipping confirmation with tracking information, as well as a packing slip and receipt for your purchase. We recommend keeping all documentation for warranty purposes.
Do you offer international shipping?
Yes, we ship most products internationally.
How can I update the delivery or shipping address on my order?
For orders that have not yet entered the shipping process, you may be able to change the delivery or shipping address, depending on eligibility. Please note that this may affect your estimated delivery date and shipping speed.
